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File:Replica-of-first-transistor.jpg
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DescriptionReplica-of-first-transistor.jpg
English: In 1997 Lucent Technologies created this replica——to commemorate the——50th anniversary of the "invention of the point-contact transistor at Bell Labs in December 1947."
Date
Source https://clintonwhitehouse4.archives.gov/Initiatives/Millennium/capsule/mayo.html
Author Federal employee
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(Reusing this file)
Public domainPublic domainfalsefalse
This file is a work of an employee of the Executive Office of the President of the United States, taken/made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain.

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English: The point-contact transistor effect takes place in the germanium surface below the triangle tip. One wire connect——to the germanium plate. (Base) Two other wires connect via the triangle to two closely spaced narrow gold foils (<0.1mm at surface at the lower tip) to the germanium surface. (Emitter and Collector)

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1 January 1997

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Date/TimeThumbnailDimensionsUserComment
current02:59, 5 February 2006Thumbnail for version as of 02:59, 5 February 2006500 × 448 (39 KB)RagesossAn award containing replica of the first transistor. source: http://clinton4.nara.gov/media/jpg/replica-of-first-transistor.jpg No photo credits; assumed to be, public domain

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