surface-barrier transistor


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surface-barrier transistor

[′sər·fəs ¦bar·ē·ər tran′zis·tər]
(electronics)
A transistor in which the emitter and collector are formed on opposite sides of a semiconductor wafer, usually made of n-type germanium, by training two jets of electrolyte against its opposite surfaces to etch and then electroplate the surfaces.
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