US 2,524,035Three-electrode circuit element utilizing semiconductive materials1950
PD-67 · US 2,524,035
Three-electrode circuit element utilizing semiconductive materials
Bardeen and Brattain's point-contact transistor from Bell Labs, 1950 — the device that shrank the world.
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PD-67 · US 2,524,035 · Filed June 17, 1948 ·
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- Is this a real patent?
- Yes — the original drawing as filed at the U.S. Patent Office, cleaned and printed. Public domain by law.
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