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Re: [Homebrew_PCBs] Glue 2 pieces of copper clad back to back?

2010-02-12 by Harvey White

On Fri, 12 Feb 2010 17:12:29 -0000, you wrote:

>Any success with taking .032 single sided and gluing to another to form a 2 sided board.  This seems plausible to me, but interested if anyone has actually tried it.

Yes.

1) use long setup epoxy, the 60 minute stuff.  Gives you working time
and enough time to do multiple boards.

2) use map pins and very slightly undersize the drill.  The bigger the
pins, the less the boards will wobble.  Make an asymmetric pattern for
the alignment holes.

3) tape the boards together once aligned, then remove the pins.  I
sandwich the boards between two pieces of marble to hold them flat.

Harvey

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