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From: Benjamin Bergman <ben AT benbergman DOT ca>
Date: Wed, 6 Jun 2012 19:43:18 -0500
Message-ID: <CA+DWcQZ3Wt_xK_3P6OsHxzSaSrO+qyrqCd7YE-e75aLT1ZaPyg@mail.gmail.com>
Subject: Re: [geda-user] extra mask, plating, and silk colours in pcb
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Sorry I went silent for a while there; work has been crazy this week.

The impression I'm getting is that I should add a the copper and silver
platings and the yellow silk to my patch before it gets integrated. I think
this makes sense as changing it from a boolean later would break backward
compatibility. Does that sound like the best plan?

Unfortunately, I might not have a chance to implement this until sometime
next week, but I am willing to do this. I'll add a new file to the bug
report and send out an email when I get it done. I look forward to getting
my first patch included :)

Ben



On Wed, May 30, 2012 at 9:02 AM, Gabriel Paubert <paubert AT iram DOT es> wrote:

> On Tue, May 29, 2012 at 01:30:12PM -0500, Benjamin Bergman wrote:
> > On Tue, May 29, 2012 at 12:24 PM, Gabriel Paubert <paubert AT iram DOT es>
> wrote:
> >
> > > Actually some manufacturers also offer silver, which is initially very
> > > bright
> > > but changes with time.
> > >
> >
> > Ok, so perhaps I should change the gold checkbox to be a selector with
> > options of tin (default), gold, copper, and silver. Is this something I
> > should do? If so, could you provide a sample image so that I can try and
> > match the silver plating?
>
> Sorry, no, I've never ordered a silver plated board. This said, I've seen
> and even bought microwave cavity filters with silver plating but they are
> in the other lab right now (50km).
>
> Metallic colours are impossible to reproduce exactly, but the RGB
> colour (192,192,192) or 75% white is called silver. This might be
> used as a starting point, but my impression is that genuine silver
> actually looks a but more "yellowish".
>
> >
> > One of my manufacturers offers:
> > > - green (default), black, blue, white, and red for the soldermask
> > > - white (default), yellow and black for the silkscreen
> > >
> > > Obviously, using the same colour for soldermask and silkscreen is not
> > > recommended.
> > >
> >
> > Similarly, I can change the black silk checkbox to be a selector with
> > options for white (default), black, and yellow. Should I go ahead with
> this
> > change? Is so, can a good sample image be provided?
>
> Sorry, I don't have anything like this around here (I always oder boards
> with
> defaut soldermask and silkscreen). But I just did some tests on my screen
> and
> I'd suggest to start around (224, 224, 0). But opinions on colours...
>
>        Gabriel
>

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Sorry I went silent for a while there; work has been crazy this week.<div><=
br></div><div>The impression I&#39;m getting is that I should add a the cop=
per and silver platings and the yellow silk to my patch before it gets inte=
grated. I think this makes sense as changing it from a boolean later would =
break backward compatibility. Does that sound like the best plan?</div>

<div><br></div><div>Unfortunately, I might not have a chance to implement t=
his until sometime next week, but I am willing to do this. I&#39;ll add a n=
ew file to the bug report and send out an email when I get it done. I look =
forward to getting my first patch included :)</div>

<div><br>Ben<br><div><br></div><div><br><br><div class=3D"gmail_quote">On W=
ed, May 30, 2012 at 9:02 AM, Gabriel Paubert <span dir=3D"ltr">&lt;<a href=
=3D"mailto:paubert AT iram DOT es" target=3D"_blank">paubert AT iram DOT es</a>&gt;</span=
> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div class=3D"im">On Tue, May 29, 2012 at 01=
:30:12PM -0500, Benjamin Bergman wrote:<br>
&gt; On Tue, May 29, 2012 at 12:24 PM, Gabriel Paubert &lt;<a href=3D"mailt=
o:paubert AT iram DOT es">paubert AT iram DOT es</a>&gt; wrote:<br>
&gt;<br>
&gt; &gt; Actually some manufacturers also offer silver, which is initially=
 very<br>
&gt; &gt; bright<br>
&gt; &gt; but changes with time.<br>
&gt; &gt;<br>
&gt;<br>
&gt; Ok, so perhaps I should change the gold checkbox to be a selector with=
<br>
&gt; options of tin (default), gold, copper, and silver. Is this something =
I<br>
&gt; should do? If so, could you provide a sample image so that I can try a=
nd<br>
&gt; match the silver plating?<br>
<br>
</div>Sorry, no, I&#39;ve never ordered a silver plated board. This said, I=
&#39;ve seen<br>
and even bought microwave cavity filters with silver plating but they are<b=
r>
in the other lab right now (50km).<br>
<br>
Metallic colours are impossible to reproduce exactly, but the RGB<br>
colour (192,192,192) or 75% white is called silver. This might be<br>
used as a starting point, but my impression is that genuine silver<br>
actually looks a but more &quot;yellowish&quot;.<br>
<div class=3D"im"><br>
&gt;<br>
&gt; One of my manufacturers offers:<br>
&gt; &gt; - green (default), black, blue, white, and red for the soldermask=
<br>
&gt; &gt; - white (default), yellow and black for the silkscreen<br>
&gt; &gt;<br>
&gt; &gt; Obviously, using the same colour for soldermask and silkscreen is=
 not<br>
&gt; &gt; recommended.<br>
&gt; &gt;<br>
&gt;<br>
&gt; Similarly, I can change the black silk checkbox to be a selector with<=
br>
&gt; options for white (default), black, and yellow. Should I go ahead with=
 this<br>
&gt; change? Is so, can a good sample image be provided?<br>
<br>
</div>Sorry, I don&#39;t have anything like this around here (I always oder=
 boards with<br>
defaut soldermask and silkscreen). But I just did some tests on my screen a=
nd<br>
I&#39;d suggest to start around (224, 224, 0). But opinions on colours...<b=
r>
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
 =A0 =A0 =A0 =A0Gabriel<br>
</font></span></blockquote></div><br></div></div>

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