Sunday, January 17, 2010

Engineering history: on the development o the planar process

Another nice post by David Manners: What Motivated Hoerni To Develop The Planar Process.
[...] The demonstration device he made was completely flat withoutr the elevated structures of the mesa transistor. When he demo-ed the transistor in March 1959, Hoerni showed its robustness by spitting on it. [...]

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