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SILICONWARE PRECISION INDUSTRIES COMPANY LTD (SPIL)

Siliconware Precision Industries Co., Ltd. provides semiconductor packaging and testing services. It offers standard and customized packaging and testing solutions, including lead frame packages and substrate packages, such as flip-chip ball grid array and module packages, as well as testing for logic, mixed signal, and embedded memory devices. The company also offers turnkey solutions, including packaging, testing, and shipment of semiconductor devices to end users. Siliconware Precision Industries was incorporated in 1984 and is headquartered in Taichung, Taiwan.


AMTECH SYSTEMS INC (ASYS)

Amtech Systems, Inc. and its subsidiaries engage in the design, assembly, selling, and installation of capital equipment and related consumables used in the manufacture of silicon wafers for the semiconductor industry. It operates in two segments, Semiconductor Equipment and Polishing Supplies. The Semiconductor Equipment segment manufactures and sells horizontal diffusion furnaces, as well as processing/robotic equipment and host systems for diffusion furnaces. This includes related spare parts, consumables, and services used in various processes of fabricating integrated circuits or chips on silicon wafers. In addition, this segment provides manufacturing support services, including wet and dry cleaning of semiconductor machine processing parts. The Polishing Supplies segment produces and sells carriers and templates that are consumed in the final steps of manufacturing silicon wafers, double-sided precision lapping, and polishing machines, as well as related spare parts. The company's customers include manufacturers of silicon wafers, semiconductors device fabricators, wireless communications, optics, microelectromechanical systems, and solar cells worldwide, primarily in the United States, Asia, and northern Europe. ASI markets its products through its direct sales personnel, an Internet website, advertising in trade magazines, and the distribution of product brochures, as well as through a network of independent sales representatives and distributors. Amtech Systems, Inc. was formerly known as Quartz Engineering & Materials, Inc. and changed its name to Amtech Systems, Inc. in 1987. The company was founded in 1981 and is headquartered in Tempe, Arizona.


VARIAN SEMICONDUCTOR EQUIPMENT ASSOCIATES INC (VSEA)

Varian Semiconductor Equipment Associates, Inc. engages in the design, manufacture, marketing, and servicing of semiconductor processing equipment used in the fabrication of integrated circuits. The company provides ion implantation systems to build the transistors that are the basis of integrated circuits. It offers a range of ion implantation systems for medium and high current, and high energy implant sectors. The company's products include single wafer VIISta 810XE series, VIISta 810HP, VIISta 810EHP, EHP-220, EHPi-220, EHP-500, and EHPi-500 ion implanters for medium current sector; high current VIISta HC series single wafer ion implanters that feature dual magnet ribbon beam architecture, implant angle accuracy, beam steering correction, and high-tilt angle capability for device fabrication. It also provides VIISta 3000 series, single wafer high energy implanters that cover retrograde well, triple well, buried layers, and pocket applications. The company serves semiconductor manufacturers in Europe and Asia Pacific, as well as in the United States. Varian Semiconductor Equipment Associates was founded in 1999 and is headquartered in Gloucester, Massachusetts.


STATS CHIPPAC LTD (STTS)

STATS ChipPAC, Ltd. provides semiconductor packaging design, assembly, test, and distribution solutions to semiconductor companies. It offers packaging services for leaded, power, and array packages designed to provide customers various packaging solutions and backend services for various electronics applications. The company also provides redistribution and wafer bumping services. In addition, it offers package design, electrical, mechanical and thermal simulation, and measurement and design of lead-frames and substrates It offers test services, including wafer probe and final testing, on a selection of test platforms, as well as offers test-related services, such as burn-in process support, reliability testing, thermal and electrical characterization, dry pack, and tape and reel. The company offers preproduction and postproduction services, such as package development, test software and related hardware development, warehousing, and drop shipment services. STATS ChipPAC offers its services to customers servicing the computing, communications, consumer, automotive, and industrial markets. The company has operations in the United States, the United Kingdom, Singapore, South Korea, China, Malaysia, Taiwan, the Netherlands, and Japan. STATS ChipPAC was incorporated in 1994 and is headquartered in Singapore.


ASM INTERNATIONAL N.V (ASMI)

ASM International N.V. engages in the design, manufacture, and sale of equipment and systems to produce semiconductor devices or integrated circuits. Its production equipment and systems are used by semiconductor manufacturers in front-end wafer processing; and back-end assembly, packaging, and materials. The company's front-end equipment products include single wafer thermal chemical vapor deposition (CVD) systems, vertical batch processing systems, single wafer plasma enhanced CVD systems, single wafer rapid thermal processing systems, single wafer atomic layer deposition modules and systems, platforms, single wafer electrochemical deposition and polishing systems, and enabling process chemistries. ASM International's back-end or assembly packaging products comprise die bonding and die sorting, wire bonding, encapsulation, trim and form, and automated systems. It sells products primarily to manufacturers of semiconductor devices and manufacturers of silicon wafers in the United States, Europe, Japan, and Asia. The company, formerly known as Advanced Semiconductor Materials International N.V., was founded by Arthur H. del Prado in 1968 and changed its name to ASM International N.V. ASM International is headquartered in Bilthoven, the Netherlands.


CREE INC (CREE)

Cree, Inc. engages in the development, manufacture, and marketing of semiconductor materials and devices based on silicon carbide, gallium nitride, silicon, and related compounds. The company's products include blue, green, and ultraviolet (UV) light emitting diodes (LEDs); near UV lasers; radio frequency and microwave devices; and power switching devices. Its product applications include solid state illumination, optical storage, wireless infrastructure, and power switching. Cree, Inc. also produces laterally diffused metal oxide semiconductor devices made from silicon substrates. The company markets its blue, green, and near UV LED chip products principally to customers who incorporate them into packaged lamps for resale to original equipment manufacturers. It also sells silicon carbide and gallium nitride materials products primarily to corporate, government, and university research laboratories. The company markets its products in North America, Europe, and Asia. Cree, Inc. was established in 1987 and is based in Durham, North Carolina.


TEGAL CORPORATION (TGAL)

Tegal Corporation engages in the manufacture, marketing, and servicing of integrated circuit fabrication equipment. Its equipment enables the production of integrated circuits, memory, and related microelectronics devices used in personal computers, wireless voice and data telecommunications, contact-less transaction devices, radio frequency identification devices, smart cards, data storage, and micro-level actuators. The company primarily offers plasma etch technology products, such as 6500 series etch products, 900 series etch products; deposition technologies that include Endeavor physical vapor deposition (PVD) products, OnCore PVD, and compact nano-layer deposition products. Tegal sells its systems primarily to semiconductor and related electronic device component manufacturers worldwide. The company was founded in 1972 and is headquartered in Petaluma, California.


AEHR TEST SYSTEMS (AEHR)

Aehr Test Systems engages in the development and manufacture of burn-in and test equipment for the semiconductor industry. Its principal products include the MTX massively parallel test system, the MAX burn-in systems, the FOX full wafer contact system, and the DiePak carrier. The MTX system performs both test and burn-in on thousands of memory devices simultaneously, including DRAMs, flash memories, SDRAMs, DDR SDRAMs, DDR II SDRAMs, and SRAMs. The MAX system is designed for dynamic burn-in of memory and logic devices, such as digital signal processors, microprocessors, microcontrollers, and systems-on-a-chip. The FOX system is designed to make contact with various pads of a wafer, thus enabling full wafer burn-in and parallel test of up to 14 IC wafers at a time. The DiePak carrier is a reusable, temporary package that enables integrated circuit manufacturers to perform final test and burn-in of bare die. The company also manufactures and sells, and licenses others to manufacture and sell custom-designed test fixtures for its systems, which hold the devices undergoing test or burn-in and electrically connect the devices under test to the system electronics. In addition, it provides customer service and support programs, including system installation, system repair, applications engineering support, spare parts inventories, customer training, and documentation. The company markets and sells its products to semiconductor manufacturers, semiconductor contract assemblers, electronics manufacturers, and burn-in and test service companies worldwide. Aehr Test Systems was founded by Rhea J. Posedel in 1977 and is headquartered in Fremont, California.


CREDENCE SYSTEMS CORPORATION (CMOS)

Credence Systems Corporation designs, develops, manufactures, and sells service of semiconductor test and diagnostic systems used in the production of semiconductors. It also develops, licenses, and distributes software products that provide automation solutions in the integrated circuit (IC) design and test flow fields. The company's product offerings include digital products, system-on-a-chip and mixed-signal products, memory products, analog test products, diagnostics, and characterization products, focused on beam products, and software products. Its products are used to test digital logic, analog, mixed-signal, system-on-a-chip, static random access memory, nonvolatile or Flash memory, and radio frequency wireless ICs. Credence Systems' products are used in various applications, such as automobiles, appliances, personal computers, personal communications products, networking products, digital televisions, wireless local area network, and multimedia hardware. Its customers include semiconductor manufacturers, fables design houses, foundries, and assembly and test services companies. Credence Systems markets and sells its products principally through direct sales organization and a network of distributors in the United States, Europe, Israel, and Asia. Credence Systems was founded in 1978 and is headquartered in Milpitas, California.


SRS LABS INC (SRSL)

SRS Labs, Inc. engages in the development and provision of application-specific integrated circuits, standard integrated circuits (ICs), and audio and voice technology solutions for home entertainment, portable media device, personal telecommunications, personal computer, automotive, and broadcast markets. The company operates through two segments, Licensing and Semiconductors. The Licensing segment develops and licenses audio, voice, and surround sound technology solutions to original equipment manufacturers, software providers, and semiconductor companies. It licenses audio enhancement technologies; voice processing technologies, which reduce noise over wireless communication devices; and a surround sound technology, Circle Surround, which is an encoding and decoding format. Circle Surround encoding enables the distribution of up to 6.1 channels of discrete audio over existing two-channel carriers, such as broadcast television, FM radio, CDs, and VHS tapes. The Licensing segment also licenses and markets hardware and software products for the Internet and professional audio markets. The Semiconductors segment develops, designs, and markets standard and custom analog ICs, digital signal processors, and mixed signal integrated circuits primarily to original equipment manufacturers and original design manufacturers in the Asia Pacific region. The company also operates in Hong Kong, Japan, and Europe, as well as North, Central, and South America. SRS Labs has strategic alliance with Coming Home Studios LLC to produce and sell concert digital versatile disks, which include the company's Circle Surround technology. The company was formed in 1993 and is headquartered in Santa Ana, California.


VERIGY LTD (VRGY)

Verigy, Ltd., together with its subsidiaries, designs, develops, manufactures, and sells test systems and solutions for the semiconductor industry in North America, Europe, and the Asia-Pacific. The company offers a 93000 Series platform to test system-on-a-chip (SOC), system-in-a-package (SIP), and memory devices; and Versatest V5000 Series platform to test memory devices, including flash memory and multi chip packages. SOCs and SIPs are semiconductors that integrate the functionality of multiple individual integrated circuits (IC) onto a single IC or package of ICs and contain both digital and analog functionalities, including radio frequency capabilities, communication interfaces, and embedded memory. Verigy also provides consulting, and service and support offerings, such as start-up assistance, application services, and system calibration and repair. Its products are used by semiconductor companies in design validation, characterization, and high volume manufacturing test. The company sells its products and services to integrated device manufacturers; test subcontractors, including specialty assembly, package, and test companies; wafer foundries; and fabless design companies. Verigy is headquartered in Singapore, Singapore.


APPLIED MATERIALS INC (AMAT)

Applied Materials, Inc. engages in the development, manufacture, marketing, and service of integrated circuit fabrication equipment for the semiconductor industry worldwide. It offers systems that perform the chip fabrication process, including atomic layer deposition chemical vapor deposition, physical vapor deposition, electrochemical plating, etch, ion implantation, rapid thermal processing, chemical mechanical polishing, wafer wet cleaning, wafer metrology and inspection, and flat panel display manufacturing, as well as systems that etch, measure, and inspect circuit patterns on masks used in the photolithography process. The company's integrated chips are built on a silicon wafer base and include various circuit components, such as transistors and other devices that are connected by various layers of wiring. It supplies systems for manufacturing copper-based chips, and for depositing, etching, and planarizing the copper interconnect layers. The company's products are marketed and sold worldwide through a direct sales force. It serves semiconductor wafer manufacturers and integrated circuit manufacturers in Taiwan, North America, Japan, Korea, Europe, and Asia Pacific. Applied Materials was founded in 1967 and is headquartered in Santa Clara, California.


VEECO INSTRUMENTS INC (VECO)

Veeco Instruments, Inc. engages in the design, manufacture, marketing, and servicing of equipment used by manufacturers in the data storage, semiconductor, high brightness light emitting diode, and wireless telecommunications industries worldwide. Its process equipment products deposit or remove various materials in the manufacturing of thin film magnetic heads. The company operates through three segments: Ion Beam and Mechanical Process Equipment, Epitaxial Process Equipment, and Metrology. The Ion Beam and Mechanical Process Equipment segment combines etch, deposition, and dicing and slicing products for data storage customers. The Epitaxial Process Equipment segment provides the molecular beam epitaxy and metal organic chemical vapor deposition products to high brightness light emitting diode and wireless telecommunications customers. The Metrology segment offers equipment that is used to provide critical surface measurements on products, such as semiconductor devices and thin film magnetic heads. It also includes atomic force microscopes, optical interferometers, and stylus profilers sold to semiconductor customers, data storage customers, and research facilities and scientific centers. The company's solutions are also used as a key research instruments in universities and scientific laboratories, as well as in industrial applications. Veeco was incorporated in 1945 and is headquartered in Woodbury, New York.


ADVANCED SEMICONDUCTOR ENGINEERING INC (ASX)

Advanced Semiconductor Engineering, Inc., through its subsidiary, provides semiconductor packaging and testing services. It offers a range of package types include leadframe-based package types, such as quad flat package, thin quad flat package, bump chip carrier, and quad flat no-lead package; and package types based on substrates, such as flip-chip BGA and other BGA types, as well as wafer-bumping products. The company's testing services include front-end engineering testing, wafer probing, final testing of logic/mixed-signal and memory semiconductors, and other test-related services. Its packaged semiconductors are used in a range of end-use applications, including communications, personal computers, consumer electronics, industrial, automotive, and other applications. The company markets its products and services to semiconductor companies in North America, Taiwan, and Europe. Advanced Semiconductor Engineering was founded in 1984 and is based in Kaohsiung, Taiwan.


KLA-TENCOR CORPORATION (KLAC)

KLA-Tencor Corporation engages in the design, manufacture, and marketing of yield management and process monitoring systems for the semiconductor industry. It markets and sells its hardware consisting of patterned and unpatterned wafer inspection, optical overlay metrology, e-beam review, reticle and photomask inspection, spectroscopic and e-beam-based CD metrology, and film and surface measurement tools, as well as its yield analysis and defect classification software. The company's products provide fab-wide yield management solutions for the manufacturing process of cells used in integrated circuit production, including lithography, etch, deposition, and chemical mechanical planarization. Its products and services enable integrated circuit manufacturers to manage yield throughout the wafer fabrication process from research and development to final mass production yield analysis. The company also offers refurbished KLA-Tencor certified tools for customers manufacturing with older technologies. In addition, the company provides other services, such as onsite repair, telephone support, system installation, relocation services, selected post-sales applications, and educational services. Its yield management software solutions include Klarity Defect, an automated inline defect analysis module and defect data management system designed to help fabs achieve yield learning cycles; and Klarity ACE yield analysis software that enables integration, correlation, and analysis of yield- and process-related data to determine the source of defects and process excursions. KLA-Tencor sells its products through direct sales force and distributors primarily in the United States, Europe, Asia-Pacific region, and Japan. The company was founded in 1975 and is headquartered in San Jose, California.


BTU INTERNATIONAL INC (BTUI)

BTU International, Inc. engages in the design, manufacture, sale, and service of thermal processing systems for electronics and materials manufacturing industries. The company offers various systems for the thermal processes used in advanced semiconductor packaging; TCAS series of continuous belt thermal processing systems designed for wafer bump reflow; VIP and PYRAMAX family of thermal processing systems used in the solder reflow and cure stages of printed circuit board assembly; thick film resistors and conductors; and PARAGON and PYRAMAX family of convection reflow systems. It also designs and manufactures custom high temperature systems used in metals brazing, ceramic sintering, and thin film coatings. The company markets its products through a direct technical sales force and through independent sales representatives primarily in the United States, Europe, and Asia. BTU International has a license and joint development agreement with Boston University, focused on processes used to manufacture solid oxide fuel cells. The company was formed in 1950 and is headquartered in North Billerica, Massachusetts.


TESSERA TECHNOLOGIES INC (TSRA)

Tessera Technologies, Inc., together with its subsidiaries, develops semiconductor-packaging technology for miniaturization of electronic products. The company operates through two segments, Intellectual Property, which includes license fees for patented technologies and royalties on semiconductors shipped by licensees that employ patented technologies; and Services, which include engineering services. The company's technology enables the production of smaller and faster semiconductors, which are used in various electronics products, including digital cameras, MP3 players, personal computers, personal digital assistants, video game consoles, and wireless phones. Tessera's patented technology enables its customers to assemble semiconductor chips into chip-scale packages. The technology also enables multiple chips to be stacked vertically in a single three-dimensional multi-chip package. Tessera also provides engineering, assembly, and infrastructure services. The company primarily offers its technology to the customers in the United States, Taiwan, Korea, Japan, and Europe. Tessera Technologies was founded in 1990 and is headquartered in San Jose, California.


OSI SYSTEMS INC (OSIS)

OSI Systems, Inc. engages in the design, manufacture, and marketing of security and inspection systems, medical monitoring and anesthesia systems, and optoelectronic devices and value-added subsystems worldwide. The security and inspection systems are used to inspect baggage, cargo, people, vehicles, and other objects for weapons, explosives, drugs, and other contraband. These systems are also used for the verification of cargo manifests for the purpose of assessing duties and monitoring the export and import of controlled materials. The company also designs, manufactures, and markets medical monitoring and anesthesia systems for use in critical care, emergency, and perioperative areas within hospitals, as well as physicians offices, medical clinics, and ambulatory surgery centers. It also provides wired and wireless networks and clinical information access solutions, ambulatory blood pressure monitors, and medical data services. The company manufactures optoelectronic devices and value-added subsystems that are used for various applications ranging from monitoring, measurement and positioning functions to detect the exact position, motion, or size of another object, such as the detection of paper in the print path of a laser printer. It optoelectronic devices and value-added subsystems are used in aerospace and defense electronics, security and inspection systems, medical diagnostics, fiber optics, telecommunications, gaming, office automation, computer peripherals, and industrial automation. OSI Systems was incorporated in 1987 and is based in Hawthorne, California.


LAM RESEARCH CORPORATION (LRCX)

Lam Research Corporation engages in the design, manufacture, marketing, and service of semiconductor processing equipment used in the fabrication of integrated circuits. Its products include etch systems, including dielectric etch products, conductor etch products, and resist strip products, as well as synergy cleaning products. The company markets its products and services primarily to companies involved in the production of semiconductors in the United States, Europe, Asia Pacific, Korea, and Japan. Lam Research Corporation was founded in 1980 and is headquartered in Fremont, California.


PSI TECHNOLOGIES HOLDINGS INC (PSIT)

PSi Technologies Holdings, Inc. provides semiconductor assembly and test services to power semiconductor companies worldwide. It offers package design, assembly, test, and drop shipment services for power semiconductors used in telecommunications and networking systems, computers and computer peripherals, consumer electronics, electronic office equipment, automotive systems, and industrial products. The company primarily offers an array of assembly services for power conversion and power management semiconductors; design services that include package design and prototype services to address the power packaging needs of the customer; and final test services for power semiconductors. PSi Technologies also offers a range of materials procurement services, as well as provides drop shipment services, including the delivery of final tested semiconductors to the end-customers. In addition, it offers assembly and test services for nonpower semiconductors, including plastics and hermetics. The company was founded in 1988 and is headquartered in Taguig Metro Manila, Philippines.


COHU INC (COHU)

Cohu, Inc. engages in the development, manufacture, marketing, sale, and service of test handling equipment for the semiconductor industry worldwide. It operates in four segments: Semiconductor Equipment, Television Cameras, Metal Detection, and Microwave Communications. Semiconductor Equipment segment designs, manufactures, sells, and services test handlers used for handling integrated circuit (IC) packages. Its test handlers are electromechanical systems used to automate the IC final test process. Television Cameras segment develops, manufactures, and sells closed circuit television cameras and systems primarily to machine vision, traffic control and management, scientific imaging, and security/surveillance markets. Metal Detection segment designs, manufactures, and sells metal detectors and related underground detection instruments for consumer and industrial markets. It products include pipe and cable locators, water leak detectors, property marker locators, and instruments for locating reinforcing bars in concrete. Consumer metal detectors include models for prospectors, relic hunters, sports divers, and treasure hunters. Microwave Communications segment designs, manufactures, and sells microwave communications equipment, antenna systems, and associated equipment, which are used in the transmission of telemetry, data, video, and audio signals. It sells its products primarily to military applications, government test ranges, law enforcement agencies, unmanned air vehicle programs, television broadcasters, and other commercial venues. The company sells its products through direct sales force and independent sales representatives worldwide. Cohu, Inc. was incorporated in 1947 as Kalbfell Lab, Inc. and changed its name to Kay Lab in 1954. Further, it changed its name to Cohu Electronics, Inc. in 1957 and to Cohu, Inc. in 1972. The company is headquartered in Poway, California.


ULTRATECH INC (UTEK)

Ultratech, Inc. engages in the development, manufacture, and marketing of photolithography and laser thermal processing equipment for manufacturers of semiconductor and nanotechnology components. It supplies step-and-repeat systems based on one-to-one (1X) technology to semiconductor device manufacturers for applications involving line geometries of 0.75 microns or greater, and to nanotechnology manufacturers. The company's 1X steppers are also used as replacements for scanners in existing fabrication facilities. Additionally, these steppers are used to manufacture high volume semiconductors used in a variety of applications, such as telecommunications, automotive control systems, power systems, and consumer electronics. Further, the company supplies 1X photolithography systems to thin film head manufacturers, and to various other nanotechnology markets. Ultratech sells its products in North America, Europe, Japan, Taiwan, and the rest of Asia through its direct sales organization and independent sales organizations. The company was founded in 1979 and is headquartered in San Jose, California.


IXIA (XXIA)

Ixia provides technology and systems that allow customers to test and measure the performance, functionality, and conformance of Internet protocol equipment and networks, and the applications that run over them. Its solutions generate, capture, characterize, and analyze network and application traffic; exposes problems; assesses performance; and verifies conformance to industry specifications. The company provides a single hardware platform with interchangeable interfaces, utilizing a single set of applications and application programming interfaces, which allows customers to create an integrated test bed. It offers chassis, interface cards, system management software, and application test suites. Ixia's analyzing networks include Ethernet networks, which carry data traffic over optical fiber or electrical cable; Packet over SONET networks, which transmit information over high-speed optical links and asynchronous transfer mode networks. The company also offers telephony test suite to test and verify traditional time-division multiplexing voice-based networks and voice over Internet protocol (VOIP) technology, devices, and systems. In addition, it provides performance applications to test and verify Web, Internet, security, and business applications. Ixia's customer categories include network equipment manufacturers, semiconductor manufacturers, telephony equipment manufacturers, Internet and network service providers, enterprises, and government departments and agencies. It markets and sells it products through direct sales force and manufacturers' representatives primarily in the United States and Japan; as well as through distributors outside of the United States and Japan. Ixia was founded in 1997 and is headquartered in Calabasas, California.


ATMI INC (ATMI)

ATMI, Inc. supplies materials, materials delivery systems, and materials packaging products to the semiconductor industry worldwide. It primarily offers gas delivery systems, liquid materials and delivery systems, and packaging and delivery systems. The company also provides applications and analytical support services relating to each of these product lines. ATMI markets and sells its materials products to end-use customers, chemical suppliers, and equipment suppliers through its direct sales force in North America, Europe, Taiwan, Korea, Japan, China, Singapore, and Asia, as well as offers its materials delivery systems to semiconductor equipment original equipment manufacturers. It has a strategic alliance with Matheson Gas Products, Inc.; and Enthone, Inc. The company, formerly known as Advanced Technology Materials, Inc., was founded by Ward Stevens, Gene Banucci, Duncan Brown, Glenn Tom, and Karl Olander in 1986. ATMI is headquartered in Danbury, Connecticut.


MATTSON TECHNOLOGY INC (MTSN)

Mattson Technology, Inc. engages in the design, manufacture, and marketing of semiconductor wafer processing equipment used in the fabrication of integrated circuits. Its products consist of dry strip, rapid thermal processing, and plasma enhanced chemical vapor deposition equipment. The company's equipment is used for transistor level or front-end-of-line manufacturing, as well as in specialized applications for processing interconnect layer or back-end-of-line processing. Mattson Technology also provides system installation, onsite repair, relocation services, post-sales process development applications, telephone support, training, and maintenance services. Its customers include foundries, and logic and memory device manufacturers worldwide. Mattson Technology was incorporated in 1988 and is headquartered in Fremont, California.


TERADYNE INC (TER)

Teradyne, Inc. engages in the manufacture and sale of automatic test equipment and interconnection systems primarily in the United States. The company's automatic test equipment products include semiconductor test systems, assembly test systems, diagnostic solutions and broadband test systems. Its semiconductor test systems contain integrated analog, digital, and memory functions, which allow an entire system or subsystem to reside on a single device or chip. These chips are used in automotive, communications, consumer, computer, and electronic game applications. The company's connection systems offer backplane systems, printed circuit boards, and connectors. Its assembly test systems include in-circuit test systems, imaging inspection systems, and military/aerospace test and diagnostics. The company's diagnostic solutions provide electronic test and diagnostic systems to the automotive original equipment manufactures and subcontractors. Its broadband test systems provide test systems for voice and digital subscriber line, and telephone networks. The company's interconnection systems include high bandwidth backplane assemblies and high density connectors. It sells its products principally through its direct sales force in North America, Asia, and Europe. The company was founded by Alex d'Arbeloff and Nick DeWolfin in 1960, and is headquartered in Boston, Massachusetts.


BROOKS AUTOMATION INC (BRKS)

Brooks Automation, Inc. supplies automation products and solutions to semiconductor market. It offers hardware, software, and services to chip manufacturers and original equipment manufacturers of semiconductor devices manufacturing equipment. The company operates in two segments, Hardware and Software. The Hardware segment provides wafer handling products and components, including vacuum modules, vacuum pumping components and systems, vacuum measurement components and systems, atmospheric robot modules, modules for wet processing, modules for liquid crystal display process tools, loadport modules, vacuum systems for semiconductor manufacturing, atmospheric systems, automated material handling systems, and lithography automation solutions for reticle inspection, storage, and management. The Software segment offers software for manufacturing execution system for tracking the movement of production wafers in a fabrication, and managing the data and actions for every wafer, equipment, operator, and other resources in the fabrication; factory logistics applications, such as simulation, scheduling, and dispatching; connecting and integrating equipment with factory management systems; process control; and data analysis and management for factory and enterprise performance monitoring. The company serves semiconductor chip manufacturers; original equipment manufacturers; nonsemiconductor customers; and companies operating in liquid crystal display, data storage, and other similar industries in Europe, Asia, and the United States. Brooks Automation was founded in 1978 and is headquartered in Chelmsford, Massachusetts.


NOVELLUS SYSTEMS INC (NVLS)

Novellus Systems, Inc. engages in the development, manufacture, sale, and servicing of semiconductor equipment used in the fabrication of integrated circuits. It offers chemical vapor deposition (CVD), physical vapor deposition (PVD), Electrofill, surface preparation/cleaning, and chemical mechanical planarization (CMP) systems. The CVD process is used to deposit dielectric films on wafers; and deposit conductive metal layers on devices. The PVD processes employ sputtering techniques to apply an ultra-thin metallic film to the surface of a wafer. It is used to create the barrier and seed layers in copper damascene interconnect applications. The Electrofill products are used to build the copper primary conduction layers in advanced integrated circuits. The surface preparation products are used to remove photoresist and other potential contaminants from a wafer. The CMP systems polish the surface of a wafer after a deposition step to create a planar surface. The company operates in the United States, as well as operates through subsidiaries in the United Kingdom, France, Germany, the Netherlands, Ireland, Italy, Israel, India, China, Japan, Korea, Malaysia, Singapore, and Taiwan. Novellus Systems was founded in 1984 and is headquartered in San Jose, California.


CHIPMOS TECHNOLOGIES (BERMUDA) LTD (IMOS)

ChipMOS TECHNOLOGIES (Bermuda), LTD., through its subsidiaries, provides semiconductor testing and assembly services to fabless semiconductor companies, integrated device manufacturers, and independent semiconductor foundries principally in Taiwan, Japan, and, the United States. The company offers back-end testing services, including engineering testing, wafer probing, and final testing of memory and mixed-signal semiconductors. It also offers a selection of leadframe-based and organic substrate-based package assembly services for memory and mixed-signal semiconductors. The company's leadframe-based packages include thin small outline packages; and organic substrate-based packages include fine-pitch ball grid array or fine-pitch ball grid array packages. It provides semiconductor testing and assembly services primarily for memory, mixed-signal, and liquid crystal display and other flat-panel display driver semiconductors. These semiconductors are used in personal computers; graphics applications, such as game consoles and personal digital assistants; communications equipment, such as cellular handsets; and consumer electronic products and display applications, such as flat-panel displays. ChipMOS TECHNOLOGIES was established in 1986 and is headquartered in Hsinchu, Taiwan.


KULICKE AND SOFFA INDUSTRIES INC (KLIC)

Kulicke & Soffa Industries, Inc. engages in the design, manufacture, and marketing of capital equipment, packaging materials, and test interconnect products and service; and maintain, repair, and upgrade equipment to assemble and/or test semiconductor devices. The company operates in three segments: Equipment, Packaging Materials, and Test Interconnect Solutions. The Equipment segment designs, manufactures, and markets a line of wire bonders, which are used to connect very fine wires made of gold, aluminum, or copper between the bond pads of a semiconductor die and the leads on the integrated circuit package; and specialty wire bonders for wire bonding hybrid, chip on board, and other large area applications. This segment also services, maintains, repairs, and upgrades assembly equipment. The Packaging Materials segment designs, manufactures, and markets semiconductor packaging materials and expendable tools, including capillaries, wedges, die collets, saw blades, gold, aluminum, and copper wire that are used in packaging and assembly processes. The Test Interconnect segment designs and markets a range of products used to test semiconductors during wafer fabrication and after assembly and package. The company was founded in 1951 and is based in Willow Grove, Pennsylvania.


MKS INSTRUMENTS INC (MKSI)

MKS Instruments, Inc. engages in the development, manufacture, sale, and servicing of instruments, components, subsystems, and process control solutions that measure, control, power, and monitor critical parameters of semiconductor and other advanced manufacturing processes. Its product groups include instruments and control systems, power and reactive gas products, and vacuum technology products. The company's instruments and control systems include pressure measurement and control products, material delivery products, gas and thin film composition analysis products, and control and information technology products. Its power and reactive gas products include power delivery products and reactive gas generation products. The company's vacuum technology products include vacuum gauges, valves, and components. Its products are used to manufacture semiconductors and thin film coatings for diverse markets, such as flat panel displays, optical and magnetic storage media, architectural glass, and electro-optical products. The company's products are also used in various markets and applications, including the manufacture of semiconductor devices for diverse electronics applications; flat panel displays for hand-held devices, laptop computers, desktop computer monitors, and television sets; magnetic and optical storage media; optical filters and fiber optic cables for data and telecommunications; optical coatings for eyeglasses, architectural glass, and solar panels; and magnetic resonance imaging medical equipment. In addition, the company provides its technologies for other markets, including the medical imaging equipment. It serves semiconductor capital equipment manufacturers; semiconductor device manufacturers; industrial manufacturing companies; medical equipment manufacturers; and university, government, and industrial research laboratories. MKS Instruments was founded in 1961 and is headquartered in Wilmington, Massachusetts.


ELECTROGLAS INC (EGLS)

Electroglas, Inc. supplies semiconductor manufacturing equipment and software to the semiconductor industry worldwide. It offers Wafer Probers, including Horizon 4000 Series, a wafer prober system for 200mm wafers; The EG4/200 for high-end probing applications for 200mm wafers; The EG6000, an EG6000 300mm probing system from Electroglas fuses advanced automation; and Parametric Probers for applications in 300mm wafers. The company also provides test handlers that comprise Pathfinder, a material handling system that can handle and position wafers and packages on a film frame after they have been sawn; and Sidewinder provides final test handling of packaged semiconductor and discrete components in panel or lead frame format. In addition, it offers test floor management software products, which enable chipmakers to collect, share, analyze, and act on essential data. The company sells its products to semiconductor manufacturers and contract test companies through direct sales force and independent representatives. Electroglas was founded in 1960 and is headquartered in San Jose, California.


MINDSPEED TECHNOLOGIES INC (MSPD)

Mindspeed Technologies, Inc. engages in the design, development, and sale of semiconductor networking solutions for communications applications in enterprise, access, metropolitan, and wide-area networks (WANs). Its analog transmission devices include laser drivers, transimpedance amplifiers, post amplifiers, clock and data recovery circuits, serializers/deserializers, video reclockers, cable drivers, and line equalizers; and switching products include crosspoint switches capable of switching traffic within various types of network switching equipment. These products support storage area networking, fiber-to-the-premise, and broadcast video; and mainstream synchronous optical networking (SONET)/synchronous digital hierarchy and packet-over-SONET applications. The company's multiservice access digital signal processor (DSP) products comprise Comcerto family of voice-over-packet communications processors, which consist of pin- and software-compatible enterprise and carrier-class voice processing solutions. These products process and translate voice, data, and video signals; and perform various management and reporting functions. The DSP products also provide voice over Internet protocol, voice-over-asynchronous transfer mode, and voice-over-digital subscriber line services, as well as wireline-to-wireless connectivity. Mindspeed Technologies' WAN communications products include transmission solutions and asynchronous transfer mode/multiprotocol label switching network processors that facilitate the aggregation, processing, and transport of voice and data traffic over copper wire or fiber optic cable. The company sells its products directly, as well as through electronic component distributors and third-party electronic manufacturing service providers to network infrastructure original equipment manufacturers. Mindspeed Technologies was founded in 2001 and is headquartered in Newport Beach, California.


CYMER INC (CYMI)

Cymer, Inc. and its subsidiaries engage in the development, manufacture, and marketing of excimer light sources for manufacturers of photolithography tools in the semiconductor equipment industry. The company's products include photolithography light source systems, replacement parts, and service. Its light sources are used to pattern the integrated circuits. The company provides discharge chamber, certain optical components, and other spare and replacement parts for its photolithography light sources. It also offers billable service or service contracts to the semiconductor lithography tool manufacturers, as well as maintenance and servicing of its light sources, including replacement of consumable parts and nonconsumable parts. In addition, the company provides CymerOnLine, an online diagnostic and performance software product, which delivers laser diagnostics and performance information to authorized users. Cymer operates in the United States, Japan, Asia, and Europe. The company was co-founded by Robert P. Akins and Richard L. Sandstrom in 1986. Cymer is headquartered in San Diego, California.


SEMITOOL INC (SMTL)

Semitool, Inc. engages in the design, manufacture, installation, and service of equipment for use in the fabrication of semiconductor devices. Its products include systems for wafer surface preparation and electrochemical deposition (ECD) applications. The company's surface preparation systems are designed for wet cleaning, stripping, and etching processes, including photoresist and polymer removal, and metal etching; and ECD systems are used to plate copper and gold, which is used for the integrated circuit's internal wiring, or interconnects; plate solder and gold bumps for wafer level packaging applications; and plate other metals for various semiconductor and related applications. It offers various products, including RAIDER SP, a single-wafer platform that supports surface preparation applications; SIRIUS, which is designed to deliver HydrOzone process; SPECTRUM & SPECTRUM HO, an automated batch processing system for cleaning, stripping, and etching applications; Spray Acid Tool, Spray Solvent Tool, Spin Rinser/Dryer, and SCEPTER that are manually loaded semiautomated systems for performing sequential processing of 25 wafers per spray process chamber; and RAIDER ECD, which is an automated multichamber and single-wafer processor for high volume ECD. In addition, Semitool provides container cleaning equipment and semiconductor manufacturing software control systems. Semitool, Inc. offers its products to semiconductor manufacturers primarily in the United States and Japan, as well as in Europe and Asia. The company was founded by Ray Thompson in 1979 and is headquartered in Kalispell, Montana.


PHOTON DYNAMICS INC (PHTN)

Photon Dynamics, Inc., together with its subsidiaries, provides yield management solutions to the flat panel display industry. It offers test, repair, and inspection systems that enable manufacturers to collect data, analyze product quality, and identify and repair product defects at critical steps in the active matrix liquid crystal display manufacturing process. The company's flat panel display yield management products include test and repair equipment that are used in the array phase of production; and inspection equipment that is used in the cell assembly phase of production. Photon Dynamics offers design, development, and integration services associated with yield management, as well as training, project management, process and applications consulting, product maintenance, and life cycle optimization services. Its flat panel displays are used in various products, including notebook and desktop computers; televisions; and advanced mobile electronic devices, such as cellular phones, personal digital assistants, and portable video games. The company operates in South Korea, Taiwan, Japan, and the People's Republic of China. Photon Dynamics was founded in 1986 and is headquartered in San Jose, California.


LIGHTPATH TECHNOLOGIES INC (LPTH)

LightPath Technologies, Inc. engages in the design, development, manufacture, and distribution of optical components and assemblies in the United States and internationally. It offers precision molded glass aspheric optics, isolators, fiber-optic collimators, GRADIUM glass lenses, and other optical materials used to produce products that manipulate light. The company's products are used in various applications, including defense products, medical devices, barcode scanners, optical data storage, hybrid fiber coax, machine vision, and sensors. It offers its products to test and measurement, medical devices, military, industrial, communications, and optoelectronics markets. The company sells its products through its sales force and distributors. LightPath Technologies was formed in 1985 and is headquartered in Orlando, Florida.


TECHWELL INC (TWLL)

Techwell, Inc., a semiconductor company, engages in the design, marketing, and sale of mixed signal integrated circuits for multiple video applications in the consumer, security surveillance, and automotive markets. Its products enable the conversion of analog video signals to digital form and perform digital video processing to facilitate the display, storage, and transport of video content. The company offers video decoders that decode analog TV broadcast signals into a standard digital format for various applications, including advanced TV, DVD recorder, multifunction liquid crystal display (LCD) monitor, camcorder, security surveillance, and in-car display. The company also provides security surveillance products that integrate various functions required to display, store, and transport analog video signals from security surveillance cameras. It offers its security surveillance products for applications in embedded digital video recorders (DVRs), PC-based DVRs, networked video recorders, and multiplexers. In addition, Techwell offers LCD display products that integrate various functions required to display analog TV broadcast, analog video, high definition video, and PC graphics signals on a LCD display. The company's other products include early generation mixed signal semiconductors for digital video applications, and a PCI video decoders for personal computer applications. It sells its products through direct sales force, applications engineering staff, and through a network of domestic and international independent distributors and sales representatives worldwide. The company was founded in 1997 and is headquartered in San Jose, California.


TRIO-TECH INTERNATIONAL (TRT)

Trio-Tech International provides third-party testing and burn-in services for semiconductor devices and other electronic components to meet the requirements of military, aerospace, industrial, and commercial applications worldwide. Its testing services include stabilization bake, thermal shock, temperature cycling, mechanical shock, constant acceleration, gross and fine leak tests, electrical testing, static and dynamic burn-in tests, and vibration testing. The company also performs qualification testing, consisting of intense tests conducted on small samples of output from manufacturers, who require qualification of their processes and devices. In addition, Trio-Tech designs, develops, manufactures, and markets equipment and systems used in the manufacture and testing of semiconductor devices and electronic components, including artic temperature controlled wafer chucks, which are used for test, characterization, and failure analysis of semiconductor wafers; wet process stations that wash and dry wafers at a series of 100 to 300 additional processing steps after the etching or deposition of integrated circuits; and other microelectronic substrates. It manufacture centrifuges, leak detectors, accelerated stress test systems, and burn-in systems that are used primarily in the back-end of the semiconductor manufacturing process to test finished semiconductor devices and electronic components. In addition to its own products, the company distributes complementary products from other manufacturers in the United States, Europe, and Japan, which are used by the company's customers and other semiconductor and electronics manufacturers. Trio-Tech was founded in 1958 and is headquartered in Van Nuys, California.


ENTEGRIS INC (ENTG)

Entegris, Inc. provides materials integrity management products and services that purify, protect, and transport the critical materials used in the semiconductor manufacturing process. The company's products include wafer products, including wafer shippers and carriers; fluid handling products, such as valves, fittings, tubing, pipe, fluid measuring and control products, and containers; and finished electronic components products, which include shippers and trays for the transportation and handling of integrated circuits during testing, assembly, and packaging operations. Entegris also offers liquid and gas filters, as well as liquid delivery systems, components, and consumables used to precisely measure, deliver, control, and purify the process liquids, gases, and chemicals that are used in the semiconductor manufacturing process. The company sells its products primarily to semiconductor manufacturers, semiconductor equipment and materials suppliers, and hard disk manufacturers in the United States, Asia, and Europe. Entegris was founded in 1966 and is headquartered in Chaska, Minnesota. Entegris merged with Mykrolis Corporation, a provider of liquid and gas purification products to the semiconductor industry, in August 2005.


EAGLE TEST SYSTEMS INC (EGLT)

Eagle Test Systems, Inc. designs, manufactures, sells, and services automated test equipment (ATE) for the semiconductor industry. It offers various test systems based on SmartPin' technology, which include ETS-600, ETS-364, ETS-300, ETS-200, and ETS-200T. Its ETS-600 and ETS-364 offer analog, mixed-signal, and RF test platforms across a range of semiconductors; ETS-300 and ETS-200 are analog and mixed-signal test systems; and ETS-200T is used to test specific types of semiconductors, such as field effect transistors. Eagle Test Systems markets its products directly and through independent distributors primarily in the United States, the United Kingdom, Malaysia, Korea, Singapore, Taiwan, Italy, Germany, China, and the Philippines. Its customers include semiconductor manufacturers, integrated device manufacturers, fabless design companies, and assembly and test subcontractors. The company was founded in 1976 and is headquartered in Buffalo Grove, Illinois.


ASYST TECHNOLOGIES INC (ASYT)

Asyst Technologies, Inc. engages in the development, manufacture, sale, and support of hardware and software automation systems for semiconductor and flat-panel display (FPD) manufacturing industries. The company's products include isolation systems, work-in-process materials management, substrate-handling robotics, automated transport and loading systems, wafer and reticle carriers, and connectivity automation software. It sells its products directly to semiconductor and FPD manufacturers, as well as original equipment manufacturers in the United States, Europe, and Asia Pacific. Asyst Technologies was founded in 1984 and is headquartered in Fremont, California.


LTX CORPORATION (LTXX)

LTX Corporation engages in the design, manufacture, marketing, and service of semiconductor test solutions worldwide. It provides test systems, global applications consulting, repair services, and operational support. The company's Fusion semiconductor test equipment is used to test a range of mixed signal devices, advanced digital devices, and system-on-a-chip semiconductor devices on a single test platform. It also offers related hardware and software support, as well as maintenance services. LTX Corporation primarily offers its products and services to integrated device manufacturers; subcontractors, which perform manufacturing services for the semiconductor industry; foundries, which provide wafer manufacturing capability; and fabless companies, which design integrated circuits but have no manufacturing capability. The company was incorporated in 1976 and is headquartered in Westwood, Massachusetts.


AXCELIS TECHNOLOGIES INC (ACLS)

Axcelis Technologies, Inc. engages in the design, manufacture, and sale of ion implantation, dry strip, thermal processing, and curing equipment used in the fabrication of semiconductor chips. In addition, the company provides aftermarket service and support, including spare parts, equipment upgrades, maintenance services, and customer training. The company sells its products through direct sales force, as well as through distributors and manufacturing representatives in the United States. Outside the United States, it offers its products through sales offices located in Taiwan, South Korea, China, Israel, Germany, Singapore, and Italy. The company was incorporated in 1995 and is headquartered in Beverly, Massachusetts.


ADVANTEST CORPORATION (KABUSHIKI KAISHA ADVANTEST) ADS (ATE)

Advantest Corporation engages in the manufacture and sale of electronic measuring instruments, automatic test equipment, and electron beam lithography systems. The company operates through three segments: Semiconductor and Component Test System; Mechatronics System; and Services, Support, and Others (SSO). The Semiconductor and Component Test System segment provides test system products for the semiconductor industry and the electronic parts industry. Its product lines include memory testers; system-on-a-chip testers; application-specific semiconductor testers; and measuring instrument products, such as wireless communications and fiber optic equipment, and digital consumer products. The Mechatronics System segment offers peripheral devices to the semiconductor and component test systems. It includes test handlers, which handle semiconductor devices and automate the tests; device interfaces; and electron beam lithography systems. The SSO segment consists of various customer solutions, support services, and equipment lease business. The company's customers include semiconductor device manufacturers, foundries, and test houses, as well as manufacturers and service providers in the communications and electronics industries. It primarily sells its products directly in Japan and other Asian countries, North America, and Europe. The company was established in 1954 as Takeda Riken Industry Co., Ltd. and changed its name to Advantest Corporation in 1985. Advantest is based in Tokyo, Japan.


FSI INTERNATIONAL INC (FSII)

FSI International, Inc. engages in the design, manufacture, marketing, and support of equipment used in the fabrication of microelectronics, such as semiconductor devices. The company provides Surface Conditioning (SC) technology solutions and POLARIS system support (PSS) services to worldwide manufacturers of integrated circuits. Its SC business includes manufacture, marketing, and support of equipment that uses wet, vapor, cryogenic, and other chemistry techniques to clean, strip, or etch the surfaces of silicon wafers. The company's PSS products are microlithography products used to deposit photoresist, which is light-sensitive, etch-resistant material used to transfer an image to the surface of a silicon wafer and develop the photosensitive material. Its PSS products include robot refurbishment, system level and standard upgrades, systems operations and maintenance training, and spare parts. The company also offers system upgrade packages, spare part kits, software maintenance licenses, individual spare part components, and support services that provide product and process enhancements. In addition, it sells process, service, and maintenance programs. The company was founded in 1973 as Fluoroware Systems Corporation, and changed its name to FSI Corporation in 1977. Further, it changed to its name to FSI International Inc. in 1987. FSI international is based in Chaska, Minnesota.