"Three-Electrode Circuit Element Utilizing Semiconductive Materials"
Patent application, Diagram
By: John Bardeen and Walter Brattain
Date: 1948
Source: Bardeen, John, and Walter Brattain. "Three-Electrode Circuit Element Utilizing Semiconductive Materials." U.S. patent 2,524,035, 1948. Available in a search for patent 2,524,035 online at http://www.uspto.gov/patft/index.html; website home page: http://www.uspto.gov (accessed March 20, 2003).
About the Authors: John Bardeen (1908–1987) received his Ph.D. in mathematics and physics from Princeton University in 1936. After World War II, he obtained employment at Bell Telephone Labs, where he studied electron conduction properties in semiconductors. His work in that area led to his achievements on the point-contact transistor, as well as to the development of a theory of superconductivity and a theory that...
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1940's Science and Technology Primary Sources
The 1940's: Primary Sources
