point-contact transistor


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point-contact transistor

[′pȯint ¦kän‚takt tran‚zis·tər]
(electronics)
A transistor having a base electrode and two or more point contacts located near each other on the surface of an n-type semiconductor.
References in periodicals archive ?
The device was called a point-contact transistor because it consisted of two pointed gold contacts, less than two thousandths of an inch apart, on one side of a piece germanium wafer.
Other solid-state developments followed the invention of the point-contact transistor in 1947.