Hi All,
		In one of the Class 3/A Exception Requirements, it
indicates that for "Dielectric Thickness of 0.089 mm [0.0035 in] minimum
with 2 layers prepreg if not specified on drawing.", what is the reason
to use 2 layers prepreg, what is the advantage over a single layer?
Thanks.

Regards
GA Tan
 		
		

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