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Old 2nd May 2007, 04:50 AM   #1
gmikol is offline gmikol  United States
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Default Cheap source for unclad FR4?

Hi all--

I'm looking for a source of unclad FR4 to build crossovers on. McMaster has OK prices for larger sheets (~$11 for 12" x 24"). But I'd love to find maybe some sort of surplus place that I could get unclad FR4 really cheap. I've checked surplussales.com and they don't have any anymore (I didn't order any when they did have some), and I looked on the auction site, and I didn't see any right now.

Any suggestions?

--Greg
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Old 4th May 2007, 06:40 AM   #2
PM650 is offline PM650  United States
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Perhaps either of these?

http://cgi.ebay.com/Fiberglass-Insul...QQcmdZViewItem
http://cgi.ebay.com/PCB-Material-Fib...QQcmdZViewItem
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Old 4th May 2007, 01:36 PM   #3
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Oooooo, that black FR4 looks really nice.

If you really needed to it's not very hard to un-clad PCB. I have done it many times on 2oz FR4 by lifting a corner with a razor and then just pulling the whole copper sheet off with a pair of pliars.
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