EARLY GERMANIUM POWER TRANSISTOR DEVELOPMENT Neville Fletcher
Oral History – Neville Fletcher Historic Audio Recordings The Audio Links on This Page are Excerpts from an Interview Conducted with Professor Fletcher in July 2003. ______________ X-78 Power Transistor Oscillator Designed and built by Neville Fletcher over 50 years ago, the X-78 germanium power transistor, shown in the top photo on page 2, still exhibits transistor action. You can hear an audio segment produced by this unit, connected in a Colpitts oscillator, at this following link: X-78 Historic Power Transistor Audio Segment ______________	Describing the Types of Semiconductors Made by Transistor Products Inc. in 1953. Neville Fletcher Audio Clip #1 Designing the X-78 Power Transistor During Summer Vacation in 1953. Neville Fletcher Audio Clip #2 Describing the Merged and Expanded Company, Clevite Transistor Products, in 1954. Neville Fletcher Audio Clip #3 Working at Clevite Transistor Products in 1955, Developed the Principles of the “Inter-digitated” Power Transistor Design. Neville Fletcher Audio Clip #4 How Germanium Alloy Junction Transistors Were Made. Neville Fletcher Audio Clip #5 Returning to Australia in 1956 and Beginning an Academic Career in Cloud Physics. Neville Fletcher Audio Clip #6 ______________
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