Clearance is needed for high voltage/safety reasons in some cases. Sometimes clearance is needed for RF and low capacitance designs. Bertho From: Paul Alciatore Sent: Saturday, October 26, 2013 15:44 Why do you have to remove large areas of copper? All you need to do is cut a narrow path around the desired conductor traces and just leave the rest of the copper on the board. If you are concerned about leaving it floating free, then add some vias or jumpers to ground it.
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RE: [Homebrew_PCBs] Re: Isolation mill software.
2013-10-26 by Boman33