Credence Systems Corporation was a manufacturer of test equipment for the global semiconductor industry, with a major focus on solving specific challenges facing the fast growing consumer-driven semiconductor markets. Founded in 1978 by David Mees as Semiconductor Test Solutions, the company changed its name to Credence after acquiring Axiom and ASIX in 1990. It was publicly traded on the Nasdaq stock market under the symbol CMOS before the merger with LTX in 2008. It is headquartered in Milpitas, California, and is established in twenty countries.
Over the years Credence either produced or acquired many product lines including:
STS6000 and STS8000 - The earliest STS test product, these purely digital automatic IC testers started as Sentry compatible clones. The programming language was lifted from the Sentry Factor standard and renamed EnFact, for ENhanced FACTor.
AT100/STS3000/STS4000/STS5000 - These Mixed Signal (Analog and Digital) automatic IC testers were derived from the Axiom Technology AT100 located in Burlington, MA. Later this product line was renamed Domain.
SC212 - This line was derived from the ASIX digital automated IC tester acquired from Asix Systems in California. This was one of the first testers touted as having "zero footprint", there being a test head with a only a tiny cabinet......