Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

Mike, nicely done!

Steve Greenfield AE7HD

--- In Homebrew_PCBs@yahoogroups.com, Mike Sinclair <sinclair@...> wrote:
>
> I'm back for a second round. This time I changed tacks - I have turned the $270 CNC paper cutter into a 2.1D mill for mil-etching PCBs - instead of the original drag-knife method. See video here http://www.youtube.com/watch?v=rDRN1_i0vJU and some updated info here http://research.microsoft.com/en-us/projects/papercutterpcbs/
>
> I haven't calibrated the setup yet like ipm, position tolerance and repeatability and minimum isolation track width & repeatability but that will come. The original method I was trying to perfect was to drag a carbide knife through copper cladding to affect electrical isolation but the swarf remaining was a problem.
>
> Mike
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>
> [Non-text portions of this message have been removed]
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