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Towa Intercon Technology, Inc. company makes equipment used in the back end of semiconductor production. After front-end equipment deposits precise layers of materials onto silicon wafers and then etches circuit patterns into these layers, back-end gear gets chips ready for use by cutting apart the wafers and packaging the resulting chips into molded plastic housings. Towa Intercon makes specialized sawing systems that divide wafers into individual chips through a process called singulation. The company also markets chip package molding devices from Japan-based semiconductor equipment maker TOWA. Towa Intercon is a wholly owned subsidiary of TOWA.

Trio-Tech International, Inc. was founded in 1958 and is headquartered in Van Nuys, California. Trio-Tech International (TTI) provides third-party semiconductor testing and burn-in services primarily through its laboratories in Southeast Asia. The Company also designs, manufactures and markets equipment and systems to be used in the process of testing semiconductors at its facilities in California and Southeast Asia, and distributes semiconductor processing and testing equipment manufactured by other vendors. The Company operates in three segments: testing services, manufacturing, distribution and real estate. In April 2009, Trio-Tech International Pte., Ltd. set up a new entity, SHI International Pte., Ltd. (SHI), in which Trio-Tech International Pte., Ltd. holds 55% of the ownership interest. On April 7, 2009, SHI entered into a share purchase agreement, pursuant to which SHI acquired from Erni Susanto Susi, Dwi Kartikarini and PT SAS International shares of PT SAS Heavy Industry (SASHI). SASHI engages in engineering and fabrication work for oil and gas companies.

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.

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