Reply to post: Re: Wastage saved by redeployment

A real head-scratcher: Tech support called in because emails 'aren't showing timestamps'

Alien8n

Re: Wastage saved by redeployment

We had one like that, one machine operator would cover up any mistakes by encapsulating blanks. Once ended up with a batch of 24,000 blanks going through the line until they all failed at test. Tried to insist the batch must have been mixed with another one in the ovens. Often I'd get a batch at test that all failed. The failure analysis always included splitting on device in a vice to determine the die size. I then had a database of every product we made on a Psion which I would then use to compare the die size and electrical characteristics to determine which batch it should have been. Every single time that batch would then start failing. Until you take the 2 batches and swap the paperwork over (which is pretty much what happened to about 10% of the batches going through the ovens)

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