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That should work fine. Just do not have any runners next to the edge.
I have used 10mil and thinner FR4 making PCB that were 3 x 3mm.
I laser cut the PCB for the very small PCBs.
Bertho
From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com]
Sent: Saturday, May 10, 2014 20:31
To: Homebrew_PCBs@yahoogroups.com
Subject: [Homebrew_PCBs] Punching small PCBs, Issues using thin PCB material?
I have a project idea that would require hundreds (possibly thousands)
of very small PCBs, each one being a circle approx. 1/2 inch in
diameter. Does anyone know if it would be possible to punch them out
of thin FR4 with a punch press? That is, use the material that is
normally discarded when punching out a hole.
Aside from that, what (if any) are the issues with using thin (0.010"
- 0.030") PCB material in general?
-p.