Arthur W. Zafiropoulo

Ultratech, Inc. develops, manufactures and markets photolithography, laser thermal processing and inspection equipment. The firm’s products are designed to reduce the cost of ownership for manufacturers of semiconductor devices, including advanced packaging processes and various nanotechnology components such as thin film head magnetic recording devices, laser diodes, high-brightness light emitting diodes. The company was founded by Arthur W. Zafiropoulo in 1979 and is headquartered in San Jose CA.

General Signal Corp. manufactures industrial products and components in the process, electrical and industrial control industries. The company is headquartered in Stamford, CT.

Part of Lam Research Corp., Drytek is an American company that develops and manufactures plasma etching circuits. The company was founded by Arthur W. Zafiropoulo. Drytek was acquired by Lam Research Corp. from General Signal Corp. on June 24, 1993.

Part of ASML Holding NV, Semiconductor Equipment Group produces atmospheric pressure dielectric chemical vapor disposition systems used in integrated circuit manufacturing. Semiconductor Equipment Group was acquired by Silicon Valley Group, Inc., a SUB of ASML Holding NV from Watkins Johnson Co. on July 07, 1999 for $9 million.

Needham Capital Partners (Needham Capital Partner) is a private equity subsidiary of Needham Investment Management LLC. The firm is headquartered in New York.

Semiconductor Equipment & Materials International operates as association of companies that provide equipment, materials and services for the manufacture of semiconductors, photovoltaic panels, LED and flat panel displays, micro-electromechanical systems, printed and flexible electronics, and related micro and nano-technologies. The company was founded in 1970 and is headquartered in Milpitas, CA.