Fable: The Idea Which Improved Yields From 10% To 60%

Once upon a time the semiconductor industry struggled to produce transistors. Despite many incremental improvements and much hard work, the yield of working parts to duds was in the 10-20% region.

Then, in 1957,  TI came up with a transistor which was the first to have both a diffused base and a diffused emitter.

 

Immediately, yields topped 60%, vastly increasing unit output and decreasing unit cost.

 

Moral: Inspiration can beat perspiration

Tags: duds, inspiration, perspiration, semiconductor industry, transistors

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2 Comments

  1. David Manners
    September 04, 2012 15:04

    Yes, Chris, one of the great breakthroughs. Good old TI.

  2. Chris Handley
    September 04, 2012 13:46

    The Mesa Transistor?

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