Hi all,

This is the second time I've asked this question and last time I
received a good response with a few good contacts but I have still been
unable to find a source of 11.5 oz double sided FR4.  I have a contact
for CEM1 and this may be OK but I would still be interested if anyone
out there could supply FR4 to this spec.

While I'm on the subject what are the main differences in the properties
of FR4 and CEM1?

Thanks in anticipation of everyone's usual excellent response.


Neil Atkinson

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