In January 1980, after six years and three months of very hard graft developing CCDs, Sony started a CCD production line. To call the yield lousy would be complimentary – only one chip per several hundred was usable. “It’s more like an occurrence rate than a yield rate,” said the fab managers. It took 12 ...
Read full article: When A Process Yielded One IC Per Several Hundred
from Electronics Weekly http://www.electronicsweekly.com/blogs/mannerisms/yarns/process-yielded-one-ic-per-several-hundred-2016-09/
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