William Gardner Pfann (October 27, 1917 – October 22, 1982) was an inventor and materials scientist with Bell Labs. Pfann is known for his development of zone melting which is essential to the semiconductor industry. As stated in an official history of Bell Labs, "Timely invention of zone refining by W.G.Pfann ... was a major contribution that helped bring the impurities in germanium and silicon under control."[1]
- ^ S. Millman editor (1983) A History of Engineering and Science in the Bell System, volume 4: Physical Sciences, p 580, Bell Labs ISBN 0-932764-03-7
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