Quote:
Originally posted by dogbait
For anyone who hasn't read Chieftec's factory tour at THG, it seems that no matter how small a case window a PC has, it will not pass their EMI tests. Scary...
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The window will pass the test if it is coated with indium-tin oxide (ITO) and a connection is made between the ITO and the case all around the periphery of the window. Would likely make for an expensive window though. I've gotten quotes of about $2.40 for a 2"X3" ITO coated window in 1000 piece quantity.
Edit: BTW, your comments about grounding copper and aluminum don't make much sense to me. Grounding both is equivalent to shorting them together. Not what you want to do with the two terminals of a battery.