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Date: | Tue, 15 Jul 2014 19:11:48 +0200 |
From: | Bernd Walter <ticso AT cicely7 DOT cicely DOT de> |
To: | geda-user AT delorie DOT com |
Subject: | Re: [geda-user] thermal flag in footprint? |
Message-ID: | <20140715171148.GA56151@cicely7.cicely.de> |
References: | <53C5441E DOT 4090502 AT sonic DOT net> <201407151520 DOT s6FFKY9Q006882 AT envy DOT delorie DOT com> <53C5521F DOT 8090506 AT sonic DOT net> <201407151624 DOT s6FGOINF008965 AT envy DOT delorie DOT com> <53C55F5E DOT 2070807 AT sonic DOT net> |
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On Tue, Jul 15, 2014 at 10:05:34AM -0700, Dave Curtis wrote: > On 07/15/2014 09:24 AM, DJ Delorie wrote: > >"Holes" aren't plated through so they're useless for electrical > >connectivity or heat sinks. > ?? But if you put a hole through a board with polygon on both sides > doesn't it plate? What keeps it from plating? During production there are two drilling steps. One before plating, so holes get copper and one after plating for holes without copper. In fact you can plate holes without anything on top or bottom, just to advised for mechanical reasons. -- B.Walter <bernd AT bwct DOT de> http://www.bwct.de Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.
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