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Re: gEDA-user: Schematic Capture to dxf File - using gEDA, Inkscape, and pstoedit

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Subject: Re: gEDA-user: Schematic Capture to dxf File - using gEDA, Inkscape, and pstoedit
From: Bob Paddock <bob.paddock@xxxxxxxxx>
Date: Sun, 24 Jan 2010 07:43:23 -0500
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>CO2 laser is the wrong wavelength to cut metal.  Only a couple percent of the radiation is absorbed. Great for plastics, though, and many other materials.  With respect to >PCB etching, one thing I've thought about but haven't yet tried is simply using paint.  Apply a thin code of flat black paint as a resist (I'm guessing enamel would work best) >and let the laser ablate the paint where you want to etch.

We already use commercial grade pre-photosensitized FR4 laminate, so
doing painting and such is not needed.  My only concern was that there
might be issues of the wave-lengths between the LASER and the laminate
being miss-matched, but if the process is actually based on heat then
it is a non-issue.


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Follow-Ups:
- Re: gEDA-user: Schematic Capture to dxf File - using gEDA, Inkscape, and pstoedit
  - From: Dave N6NZ

References:
- gEDA-user: Schematic Capture to dxf File - using gEDA, Inkscape, and pstoedit
  - From: dfro
- Re: gEDA-user: Schematic Capture to dxf File - using gEDA, Inkscape, and pstoedit
  - From: timecop
- Re: gEDA-user: Schematic Capture to dxf File - using gEDA, Inkscape, and pstoedit
  - From: Bob Paddock
- Re: gEDA-user: Schematic Capture to dxf File - using gEDA, Inkscape, and pstoedit
  - From: Dave N6NZ

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