Q: What was the first commercially successful semiconductor device?
Hint: It wasn’t germanium.
https://en.m.wikipedia.org/wiki/Henry_Harrison_Chase_Dunwoody
Electronics & Stuff, a lot about LEDs
Q: What was the first commercially successful semiconductor device?
Hint: It wasn’t germanium.
https://en.m.wikipedia.org/wiki/Henry_Harrison_Chase_Dunwoody