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Ultratech, Inc. was founded in 1979 and is headquartered in San Jose, California. Ultratech, Inc. develops, manufactures, and markets photolithography and laser thermal processing equipment. It offers step-and-repeat photolithography systems based on one-to-one imaging technology to semiconductor device manufacturers for applications involving line geometries of 0.75 microns or greater and to nanotechnology manufacturers. The company's steppers are also used to manufacture semiconductors that are used in various applications, such as telecommunications, automotive control systems, power systems, and consumer electronics. In addition, it offers LSA100, a laser-based thermal annealing tool used by the semiconductor industry for various process steps, including activation of implanted impurities, dielectric film formation, formation of silicides, and stabilization of copper grain structure. Ultratech sells its products to advanced packaging, thin film head, ink jet printer/accelerometer, semiconductor, and various other nanotechnology manufacturers in North America, Europe, Japan, Taiwan, and the rest of Asia.

ULVAC,Inc. is a Japan-based company mainly engaged in the provision of vacuum equipment, machinery and services. The Company operates in two business segments. The Vacuum-related segment provides display and electronic parts manufacturing equipment, semiconductor manufacturing equipment and components. Its major products include sputtering systems, chemical vapor deposition (CVD) systems, etching systems, vacuum evaporation systems and vacuum heat treatment furnaces. The Others segment provides sputtering target materials, vacuum evaporation materials, titanium and tantalum processing products, surface treatment and precision cleaning services, Auger electron spectroscopy analyzers, X-ray photoelectron analyzers, secondary ion mass spectroscopy analyzers, various industrial machinery control devices, high voltage inverters, power source converters and uninterruptible power source devices. The Company has 55 subsidiaries and six associated companies.

Unidym, Inc. manufactures carbon nanotube-based ink and conductive film products. It holds licensed commercial rights to nanotube technology. The company’s portfolio includes patents and patent applications claiming the nanotube compositions of matter and general manufacturing techniques, such as chemical vapor deposition synthesis, plasma chemical vapor deposition synthesis, purification, solubilization, separation of tubes, coatings, functionalization, and manipulation. The company’s technology is applied in flat panel displays, touch screens, light emitting diodes, and solar cells. The company was formerly known as NanoPolaris, Inc. and changed its name to Unidym, Inc. in July 2006. As a result of the acquisition of Unidym assets by NanoPolaris, Inc., Unidym's name was changed. The company was founded in 2005 and is based in Sunnyvale, California. Unidym, Inc. operates as a subsidiary of Arrowhead Research Corp.

United Test and Assembly Center Ltd. provides test and assembly services for integrated device manufacturers, fables companies, and wafer foundries. It offers various services, including wafer sort/laser repair, assembly, test, integrated circuit and modules assembly, burn-in, mark-scan-pack, and drop shipment. United Test and Assembly Center Ltd. was founded in 1997 and is headquartered in Singapore, Singapore with sales offices in Singapore, China, Taiwan, the United States, the United Kingdom, Italy, Japan, Korea, and Thailand. The company has manufacturing facilities in Singapore, Shanghai, Taiwan, and Thailand, as well as locations in the United Kingdom, Thailand, Italy, Singapore, Taiwan, China, Korea, Japan, and the United States.

USHIO INC. is a Japan-based company primarily engaged in the development, manufacture and sale of optical products and industrial equipment. The Company operates in two major business segments. The Optical Products segment manufactures and sells halogen lamps, xenon lamps, high-pressure ultraviolet (UV) lamps, cinema projectors, (UV) photoresist curing systems, various lighting systems, excimer lamps and related equipment. The Industrial Machinery and Others segment designs electronic devices, as well as manufactures and sells automatic controllers, audio equipment, injection molding equipment and other industrial equipment. This segment is also engaged in the provision of insurance agency services.

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