December 2002
Beginner
239 pages
5h 43m
English
Content preview from Essential Guide to Semiconductors, TheBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Bringing Out the Diamonds
Assuming that at least some chips pass inspection and the entire wafer isn't bad, all the chips will be cut apart using a diamond-bladed saw. The stepper leaves a bit of space between each chip as it moves left to right and top to bottom. This blank area allows the saw to carefully cut in between the chips without damaging them. The diamond saw is very thin, as you might imagine, and is designed to kick up a minimum of “silicon sawdust.” Contaminating an entire wafer at this late stage would be economically unpleasant.
After the chips are cut apart, the good chips are sorted from the bad chips by a robot that searches for the tell-tale red dot. Also, the cut-off fringes of the round wafer are discarded like high-tech ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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