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<TITLE>RE: [sdiy] blue copper-clad circuit boards?</TITLE>
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<DIV>some of my Formant modular PCB's are blue.</DIV>
<DIV> </DIV>
<DIV>ac</DIV>
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<DIV><FONT size=2>-----Original Message----- <BR><B>From:</B> greg montalbano
[mailto:greg.montalbano@ucop.edu] <BR><B>Sent:</B> Fri 02/05/2003 20:09
<BR><B>To:</B> synth-diy@dropmix.xs4all.nl <BR><B>Cc:</B> <BR><B>Subject:</B>
RE: [sdiy] blue copper-clad circuit boards?<BR><BR></FONT></DIV>
<P><FONT size=2>The old-style Paia boards were blue -- still have a few lying
around.</FONT> <BR><FONT size=2>(no idea where Simonton had them made,
though).</FONT> </P>
<P><FONT size=2>~GMM</FONT> </P>
<P><FONT size=2>At 11:49 AM 5/2/03 -0700, Tim wrote:</FONT> <BR><FONT
size=2>>I haven't seen different color PCB material. What I</FONT>
<BR><FONT size=2>>have seen is different color solder mask.</FONT>
<BR><FONT size=2>></FONT> <BR><FONT size=2>>==Tim</FONT> <BR><FONT
size=2>></FONT> <BR><FONT size=2>></FONT> <BR><FONT size=2>>--- The
Peasant <epeasant@telusplanet.net> wrote:</FONT> <BR><FONT size=2>>
> I have seen pcb material in many different colors,</FONT> <BR><FONT
size=2>> > from the</FONT> <BR><FONT size=2>> > standard grey and
green colors to blue, yellow,</FONT> <BR><FONT size=2>> > brown,
and</FONT> <BR><FONT size=2>> > red. This is definitely not a coating, I
have some</FONT> <BR><FONT size=2>> > blue</FONT> <BR><FONT size=2>>
> perf board right here in front of me, in my</FONT> <BR><FONT size=2>>
> experience it's</FONT> <BR><FONT size=2>> > not that rare.</FONT>
<BR><FONT size=2>> ></FONT> <BR><FONT size=2>> > As to where to
get some, that I don't know.</FONT> <BR><FONT size=2>> ></FONT>
<BR><FONT size=2>> > Take care,</FONT> <BR><FONT size=2>> >
Doug</FONT> <BR><FONT size=2>> > ______________________</FONT> <BR><FONT
size=2>> > The Electronic Peasant</FONT> <BR><FONT size=2>>
></FONT> <BR><FONT size=2>> > www.electronicpeasant.com</FONT>
<BR><FONT size=2>> ></FONT> <BR><FONT size=2>> ></FONT> <BR><FONT
size=2>> > Quoting Tim Parkhurst</FONT> <BR><FONT size=2>> >
<tparkhurst@siliconbandwidth.com>:</FONT> <BR><FONT size=2>>
></FONT> <BR><FONT size=2>> > > Still looks like solder mask to
me. Notice that it</FONT> <BR><FONT size=2>> > is</FONT> <BR><FONT
size=2>> > > shiny. Bare PCB</FONT> <BR><FONT size=2>> > >
material (at least the FR4 that I'm familiar with)</FONT> <BR><FONT
size=2>> > isn't</FONT> <BR><FONT size=2>> > > shiny unless
it's</FONT> <BR><FONT size=2>> > > coated with something. Also note
the blue letters</FONT> <BR><FONT size=2>> > near</FONT> <BR><FONT
size=2>> > > the top of the</FONT> <BR><FONT size=2>> > >
picture. They look like they were created by some</FONT> <BR><FONT size=2>>
> sort</FONT> <BR><FONT size=2>> > > of</FONT> <BR><FONT
size=2>> > > imaging/photoresist process (small, good detail).</FONT>
<BR><FONT size=2>> > Again,</FONT> <BR><FONT size=2>> > > I
could be totally</FONT> <BR><FONT size=2>> > > wrong on this but this
pic looks like a board with</FONT> <BR><FONT size=2>> > a</FONT>
<BR><FONT size=2>> > > soldermask that doesn't</FONT> <BR><FONT
size=2>> > > cover the copper in the area shown in the
picture.</FONT> <BR><FONT size=2>> > Maybe</FONT> <BR><FONT size=2>>
> > these are switch</FONT> <BR><FONT size=2>> > >
contacts?</FONT> <BR><FONT size=2>> > ></FONT> <BR><FONT size=2>>
> > Tim Servo</FONT> <BR><FONT size=2>> > > "There is no
conversation more boring than the one</FONT> <BR><FONT size=2>> >
where</FONT> <BR><FONT size=2>> > > everybody agrees."</FONT>
<BR><FONT size=2>> > > -Michel de Montaigne</FONT> <BR><FONT
size=2>> > ></FONT> <BR><FONT size=2>> > ></FONT> <BR><FONT
size=2>> ></FONT> <BR><FONT
size=2>>*********************************************************</FONT>
<BR><FONT size=2>> > > > -----Original Message-----</FONT>
<BR><FONT size=2>> > > > From: Fahl, Romeo [<A
href="mailto:RFahl@extensis.com">mailto:RFahl@extensis.com</A>]</FONT>
<BR><FONT size=2>> > > > Sent: Friday, May 02, 2003 9:30 AM</FONT>
<BR><FONT size=2>> > > > To: synth-diy@dropmix.xs4all.nl</FONT>
<BR><FONT size=2>> > > > Subject: RE: [sdiy] blue copper-clad
circuit</FONT> <BR><FONT size=2>> > boards?</FONT> <BR><FONT size=2>>
> > ></FONT> <BR><FONT size=2>> > > > I don't think that
this:</FONT> <BR><FONT size=2>> > > ></FONT> <BR><FONT size=2>>
> > ></FONT> <BR><FONT size=2>> > <A
href="http://www.spiritone.com/~8brain/tkbds/kbdclose.jpg">http://www.spiritone.com/~8brain/tkbds/kbdclose.jpg</A></FONT>
<BR><FONT size=2>> > > ></FONT> <BR><FONT size=2>> > >
> used a blue soldermask. Anyone know for sure?</FONT> <BR><FONT
size=2>> > > ></FONT> <BR><FONT size=2>> > > >
R.</FONT> <BR><FONT size=2>> > ></FONT> <BR><FONT size=2>> >
></FONT> <BR><FONT size=2>> > ></FONT> <BR><FONT size=2>> >
></FONT> <BR><FONT size=2>> ></FONT> <BR><FONT
size=2>>************************************************************</FONT>
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