Believe it or not, when the semiconductor world was young there was a time and a company where new recruits with a freshly minted PhD could work on any project they wanted until it either succeeded or totally failed.
That company was the most innovative semiconductor company in the industry's history, Fairchild Semiconductor.
And so it was, in 1962, that a young PhD from
He was Frank Wanlass, and he was hired by Gordon Moore, then heading the Fairchild lab.
Wanlass saw his work as a route to enabling the fabrication of hundreds of transistors on a single substrate.
Wanlass could make transistors all right, but they were unstable. Eventually he figured out that the process of evaporating the aluminum used to make the gates produced sodium which contaminated the circuit.
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