On Thu, Jul 24, 2008 at 11:40 AM, Robert Butts <[EMAIL PROTECTED]> wrote:
> What is the difference between GND-sldr and GND-comp, Vcc-sldr and > Vcc-comp? Could, or should, I just use GND and Vcc layers? > > I ned to create a hole in the 1206 and 0603 footprints for reverse mounted > LEDs. Would I pin statement in the element definition? > GND-sldr is primarily used for ground plane connections on the solder side of the PCB (a.k.a. bottom). GND-comp is for the component side of the PCB (a.k.a. top). Vcc-sldr is for primarily for Vcc planes on the top, Vcc-comp is for the bottom. Placing the planes (large polygons) on separate logical layers can make it easier see signal lines that are on the same physical layer. I would place the hole in the footprint. I usually place a silkscreen circle around holes which makes it easier to see on a black background screen. (* jcl *) -- http://www.luciani.org
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