I have searched (unsuccessfully) for tutorials or charts on PCB material
comparisons.  Is there a good (free?) reference available explaining the
characteristics of the various PCB materials in current use?  I'm used to
FR4, and I'm aware of the exotic stuff, but I see stuff that looks like the
old phenolic is some things that I open up.  I've noticed common usage of a
tan material in most PC power supplies.  I'm hoping to find a physical
characteristics (Dielectric strength, fire safety, etc) comparison chart
somewhere . . .


Carl Van Wormer
Cipher Systems
1815 NW 169th Place, Suite 5010
Beaverton, OR  97006
Phone (503)-617-7447    Fax (503)-617-6550

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