Date: Wed, 26 Oct 2011 12:10:27 -0400
From: Vanessa Ezekowitz <vanessaezekowitz AT gmail DOT com>
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] through hole electrolytic capacitor convention
Message-ID: <20111026121027.4a20fc1f@rainbird>
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On Wed, 26 Oct 2011 06:59:23 -0400
gene glick <geneglick AT optonline DOT net> wrote:

> Pin 1 is square, and represents positive pin of cap.
> 
> On silkscreen, is it customary to add a marking to indicate + or -
> side of cap?  The electrolytics have that big stripe, which is the minus 
> side, so I thought maybe the silkscreen should have some sort of marking.
> 
> Any conventional wisdom on this?

I usually mark the positive side (with a "+" of course), and this is pretty much how I've always seen it done, in production boards whenever I tear something apart, short of using the shape of the component or a beveled corner as the marking in some surface-mount stuff.

-- 
"There are some things in life worth obsessing over.  Most
things aren't, and when you learn that, life improves."
http://digitalaudioconcepts.com
Vanessa Ezekowitz <vanessaezekowitz AT gmail DOT com>