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Varian Medical Systems is an American radiation oncology treatments and software maker based in Palo Alto, California. Their medical devices include linear accelerators (LINACs) and software for treating cancer and other medical conditions with radiotherapy , radiosurgery , proton therapy , and brachytherapy .
Varian, Inc. was one of the largest manufacturers of scientific instruments for the scientific industry. [1] They had offerings over a broad range of chemical analysis equipment, with a particular focus on Information Rich Detection [ clarification needed ] and Vacuum technology.
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 amplify electromagnetic waves at microwave frequencies, and other electromagnetic equipment.
Varian Data Machines system connected to analogue tape playback system in 1984. The DCI 1966 DATA/620 was a parallel, binary 16-bit general-purpose digital computer with magnetic-core memory expandable to 32,768 words. An 18-bit word length (for data, not addresses) was optionally available.
Varian Semiconductor Equipment Associates, Inc. was a supplier of ion implantation equipment used in the fabrication of semiconductor chips. [1] Varian Semiconductor was founded in 1971 as Extrion Corporation in Peabody , Massachusetts .
Richard "Dick" Meyer Levy (born 1938) was the chief executive officer of Varian Medical Systems from 1999 to 2006 and was chairman of Varian Medical Systems' board of directors from 2002 until February 2014. Levy led the company during a period of rapid growth after it was spun off from Varian Inc. in 1999.
The Varian brothers' parents, John and Agnes Varian, were born and raised in Ireland, [4] and were members of the Theosophical Society in Dublin. They emigrated to the United States in 1894, [5] and settled in Syracuse, New York, where they became involved with a theosophical group headed by William Dower.
Varian Associates, an electronics company which split up into three companies in 1999: Varian Medical Systems, a manufacturer of medical equipment; Varian, Inc., a manufacturer of scientific instruments, now part of Agilent Technologies; Varian Semiconductor, a supplier of equipment for semiconductor manufacturers, now part of Applied Materials