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Technical and scientific discussion of amps, cables and other topics.

all too familiar...

...with the ingots. I am an equipment maintenance technician in a 200mm DRAM wafer fab. Plasma etch chambers by AMAT are my specialty. Lots of gas, RF, MW, pressure xducers, mass flow controllers, turbo pumps, robots, the whole nine yards. 80% of my daily activities is mechanical, 15% process and 5% electrical troubleshooting. But no time for component-level troubleshooting. Replace the board or module and keep running. Can't let a $3 million dollar machine sit idle for long.

And there was nothing to scrape off. 1) Because the Monster IC's were only a few months old. 2) The only area to scrape would be the solder joint. No access to the conductor.


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