Private company

Semitool

Logo: Semitool, Public domain, via Wikimedia Commons4

Defunct semiconductor manufacturing company

Semitool was a semiconductor manufacturing/capital equipment company based in Kalispell, Montana. Raymon Thompson founded the company in California in 1978 and moved it to Montana, where it was officially incorporated in 1979.3 From Wikipedia, CC BY-SA 4.0

Last updated Oct 16, 2026.

Overview

1979Founded1
  • HeadquartersKalispell1
  • Websitewww.semitool.com
  • Incorporated inMT5
  • Business address655 West Reserve Dr, Kalispell, Mt 599015

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Semitool was a semiconductor manufacturing/capital equipment company based in Kalispell, Montana. Raymon Thompson founded the company in California in 1978 and moved it to Montana, where it was officially incorporated in 1979. The company was sold to Applied Materials in December 2009.3

How it started

History

Semitool was founded in Santa Ana, California, in 1978. Founder Raymon Thompson moved the company to Kipsell, Montana, in 1979, where it was officially incorporated.

The company designed, developed, manufactured high performance and precision chemical processing equipment. Products included electrochemical deposition systems for electroplating copper, gold, solder and other metals; surface preparation systems for cleaning, stripping and etching silicon wafers; and wafer transport container cleaning systems.

Their main competitors were the Austrian company SEZ, Solid State Equipment Corp. (SSEC), and American FSI International.

From Wikipedia’s article on Semitool, shared under CC BY-SA 4.0.3

Timeline

  1. 1979Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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