Aha Trivia Stuff Everyone Should Know
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What did the first working point-contact transistor use?

It was invented at Bell Labs in 1947.

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  1. It was a wooden box
  2. It used only tubes
  3. It was invented at Bell Labs in 1947 ✔

Why: John Bardeen and Walter Houser Brattain invented the first working point-contact transistor at Bell Labs in 1947.

Huh, didn't know that: John Bardeen and Walter Houser Brattain invented the first working point-contact transistor at Bell Labs in 1947.

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References

Answer: It was invented at Bell Labs in 1947. John Bardeen and Walter Houser Brattain invented the first working point-contact transistor at Bell Labs in 1947.

  1. Electronics en.wikipedia.org/wiki/Electronics
    the first working point-contact transistor was invented by John Bardeen and Walter Houser Brattain at Bell Labs in 1947
    Checked 2026-11-07.

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