Varian Semiconductor Equipment Associates, Inc. was a supplier of

ion implantation Ion implantation is a low-temperature process by which ions of one element are accelerated into a solid target, thereby changing the target's physical, chemical, or electrical properties. Ion implantation is used in semiconductor device fabrica ...

equipment used in the fabrication of

semiconductor A semiconductor is a material with electrical conductivity between that of a conductor and an insulator. Its conductivity can be modified by adding impurities (" doping") to its crystal structure. When two regions with different doping level ...

chips. Varian Semiconductor was founded in 1971 as Extrion Corporation in Peabody,

Massachusetts Massachusetts ( ; ), officially the Commonwealth of Massachusetts, is a U.S. state, state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode ...

. Extrion later moved to nearby

Gloucester Gloucester ( ) is a cathedral city, non-metropolitan district and the county town of Gloucestershire in the South West England, South West of England. Gloucester lies on the River Severn, between the Cotswolds to the east and the Forest of Dean ...

, Massachusetts and was bought by

Varian Associates Varian Associates was one of the first high-tech companies in Silicon Valley. It was founded in 1948 by Russell H. and Sigurd F. Varian, William Webster Hansen, and Edward Ginzton to sell the klystron, the first vacuum tube which could amp ...

in 1975. It was spun off from Varian Associates in 1999.

Applied Materials Applied Materials, Inc. is an American corporation that supplies equipment, services and software for the manufacture of semiconductor (integrated circuit) chips for electronics, flat panel displays for computers, smartphones, televisions, and ...

announced its acquisition of Varian Semiconductor in May 2011.

References

External links

Varian SemiconductorStock Profile of Varian Semiconductor
Electronics companies established in 1971 Companies formerly listed on the Nasdaq Companies based in Gloucester, Massachusetts Equipment semiconductor companies Electronics companies disestablished in 2011 2011 disestablishments in Massachusetts 2011 mergers and acquisitions {{US-manufacturing-company-stub