Jon D. Tompkins

Cymer, Inc. engages in the development, manufacture, and marketing of light sources for the manufacturers of photolithography tools in the semiconductor equipment industry. It provides chip making process, light source, onpluse and data products and services. The company was founded by Robert P. Akins and Richard L. Sandstrom in 1986 and is headquartered in San Diego, CA.

Electro Scientific Industries, Inc. supplies laser-based manufacturing solutions for the microtechnology industry. Its products include Flexvia Drlling, WaperMaking, Water Trimming and Stent. The company was founded in 1944 and is headquartered in Beaverton, OR.

Credence Systems Corporation is the industry provider of design-to-test solutions for the global semiconductor industry. By applying leading-edge technology to lower the overall cost-of-test, Credence delivers competitive cost and performance advantages to integrated device manufacturers, wafer foundries, outsource assembly and test suppliers and fabless chip companies worldwide. Credence was founded in 1978 and is publicly traded on the Nasdaq stock market under the symbol CMOS. Headquartered in Milpitas, California, Credence maintains a worldwide presence in twenty countries.

Part of KLA Corp., Tencor Instruments designs, makes, markets and services process software and systems. The company is based in Mountain View, CA. Tencor Instruments was acquired by KLA Corp. on May 01, 1997 for $1,379.63 million.

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

Spectra-Physics, Inc. used to manufacture semiconductor based lasers and laser optics, which was used for everything from inspecting microchips and etching holograms to welding metals and plastics. It was engaged in making of related optical and optoelectronic products such as crystals, diffraction gratings and thin film interference filters as well as sells others photonics components through its Oriel catalog. The company was founded in 1961 and was located in Mountain View, CA.