Re: gEDA-user: Pin statement

[Kai-Martin Knaak <kmk@xxxxxxxxxxxxxxx>]

On Fri, 25 Jul 2008 15:09:14 -0400, Robert Butts wrote:

> Will the Pin statement in the footprint definition below give me a 2.1
> mm square hole with no copper annulus?  
     ^^^^^^
How would a drill for square holes look like? ;-)


> Do I need a clearance and mask?

Yes. Unless you provide a properly cleared mask, the hole will be 
covered with mask enamel. The hole might get congested. Some fabs 
complain if the diameter of a covered hole is beyond a certain limit.

There is a footprint for an inverted version of the BPW photo diode
in my section of gedasymbols.org:
http://www.gedasymbols.org/user/kai_martin_knaak/footprints/specific/BPW34S_upsidedown.fp

---<(kaimartin)>---
-- 
Kai-Martin Knaak                                  tel: +49-511-762-2895
Universität Hannover, Inst. für Quantenoptik      fax: +49-511-762-2211	
Welfengarten 1, 30167 Hannover           http://www.iqo.uni-hannover.de
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