How to pronounce“30cm”in English
IPA/30km/
Syllablescm
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2:41
fantastically delicate piece of engineering making these. This is so-called 20cm wafer. They now make silicon chips on a
30cm wafer which is about this size and you can get a large number more on them.
If you get a single crystal of this silicon structure, it can diffract the light and change the light so that it diffracts and
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