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Technology Stocks : Advanced Micro Devices - Moderated (AMD)
AMD 230.23-4.3%Nov 18 3:59 PM EST
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To: semiconeng who wrote (66646)1/2/2002 7:50:52 PM
From: TimFRead Replies (2) of 275872
 
I heard someone did a test, where they placed a penny on the top surface of an Si Wafer, and they were able to detect Cu particles on the Back surface.

What would make that particularly interesting is the fact that a penny is only 2.5% copper. They are mostly zinc. Maybe it was an old penny.

Tim
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