ChemTrace

Founded in 1991, Ultra Clean Technology is one of the leading suppliers of subsystems for the semiconductor equipment and device makers in the United States. The company has received an ISO 9001 certification from the International Organization for Standardization. Ultra Clean Technology undertakes several manufacturing methodologies and quality assurance procedures. The company provides liquid, gas delivery and steam generation systems. Ultra Clean Technology publishes several technical papers and newsletters. The company additionally offers various quality control services. Ultra Clean Technology provides online annual reports to offer information about its financial performance. The company s products feature liquid flow controllers, valves and pressure sensors.

Ultrasil LLC, located in Hayward, CA, specializes in the production of Silicon on Insulator (SOI) wafers, including both single-side and double-side polished options. The company also offers a range of products such as DSP and SSP wafers, as well as double and triple bonded wafers to meet various industry needs. With a commitment to quality and innovation, Ultrasil LLC provides customized solutions for clients through their special SOI requests and an extensive wafer inventory. Their expertise in the semiconductor industry positions them as a reliable partner for advanced technology applications. Generated from the website

Four Dimensions Inc. has been manufacturing advanced semiconductor probing systems since 1978. It provides four point probes with an extended measurement range or sophisticated probing for compound semiconductors. The company offers small low budget manually operated systems, research and development oriented desktop systems, as well as production line oriented fully automated cassette-to-cassette systems capable of handling wafers up to 300mm in diameter or flat panels and customized tools. In addition, Four Dimensions Inc. provides measurement service using advanced characterization tools. The company offers the widest range of Mercury probe geomertries and special capacitance measurement electronics.