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When wassemiconductors first invented?

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Anonymous

∙ 15y ago
Updated: 8/18/2019

The Bipolar junction transister was invented in 1947 at Bell Labs. This was actually the first successfully constructed semiconductor device. But the theory and idea for semiconductors went back to the mid 1920's, and the first patent for a semiconductor device was issued in about 1936 to Julius Lilienfeld.

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∙ 15y ago
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