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<DIV>A place that sells both laser modules and engravers is banggood.com.
They have several lasers and mechanical platforms, some at a pretty good
price. Don’t know about the quality.</DIV>
<DIV> </DIV>
<DIV>The QRP Tech Yahoo group has discussed using laser printers to print out
the PC board traces, then use irons or laminators to transfer that to a pc
board. Then you use the chemicals to etch like normal. I really
don’t want to play with chemicals.</DIV>
<DIV> </DIV>
<DIV>I’ve found one or two laser PC board making devices, but it’s generally a
tube laser, with limited life. From what I remember, more than 20W is
required to burn the copper.</DIV>
<DIV> </DIV>
<DIV>73 & Happy New Year!!!! Terry, N4TLF</DIV>
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<DIV style="font-color: black"><B>From:</B> <A title=dibene@usa.net
href="mailto:dibene@usa.net">Alberto di Bene</A> </DIV>
<DIV><B>Sent:</B> Thursday, December 31, 2015 6:53 PM</DIV>
<DIV><B>To:</B> <A title=tacos@amrad.org
href="mailto:tacos@amrad.org">tacos@amrad.org</A> </DIV>
<DIV><B>Subject:</B> Re: PC board milling?</DIV></DIV></DIV>
<DIV> </DIV></DIV>
<DIV
style='FONT-SIZE: small; TEXT-DECORATION: none; FONT-FAMILY: "Calibri"; FONT-WEIGHT: normal; COLOR: #000000; FONT-STYLE: normal; DISPLAY: inline'>Hi
Terry,<BR><BR> somebody on Internet suggests a mixed approach... use
a laser diode to engrave a black paint sprayed on a PCB,<BR>then use an ordinary
etching method to produce the PCB...<BR><BR>On this page :<BR><BR><A
class=moz-txt-link-freetext
href="http://forums.reprap.org/read.php?133,235148">http://forums.reprap.org/read.php?133,235148</A><BR><BR>you
can read this :<BR><BR>
<BLOCKQUOTE type="cite"><I><SPAN
style="WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; COLOR: rgb(0,0,0); FONT: medium arial; WIDOWS: 1; DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px">First
I've coated some copper-clad PCB's with black paint ...</SPAN></I><I><BR
style="WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); FONT: medium arial; CLEAR: both; WIDOWS: 1; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px"></I><I><SPAN
style="WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; COLOR: rgb(0,0,0); FONT: medium arial; WIDOWS: 1; DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px">...
then engraved the outlines with a diodelaser with around 2Watts of
975nm-IR-light on a spot of 0.15mm instead of milling them:</SPAN></I><I><BR
style="WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); FONT: medium arial; CLEAR: both; WIDOWS: 1; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px"></I></BLOCKQUOTE>There
are also some photos...<BR><BR>Could be worth trying... but first one should get
hold of a 2W laser diode...<BR><BR>73 Alberto I2PHD<BR><BR><BR><BR>
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