Varian is one of the leading manufacturers of semiconductor production equipment. The company's machines implant semiconductor substrates, like silicon or germanium, with ions (or charged particles) in order to produce transistors with the specific properties required by the circuit in which it will be used. These ion implantation devices work by accelerating ions to sufficient energies such that they lodge in the crystal structure of the silicon. (The process is also known as doping.) Ions of arsenic, phosphorous and boron are most commonly implanted in sem......

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