Re: gEDA-user: pcb pad, soldermask questions

[kai-martin knaak <kmk@xxxxxxxxxxxxxxx>]

Allan Hessenflow wrote:

> I'm just starting to use pcb and have a couple of questions.
> 
> First, are there any occassions where a pad pin number should be left
> blank?  

I haven't come across one, yet.


> I can think of two possible times: one is where there is more than
> one connected pad item for a given device pin,

Use the same number for every pad that needs to be considered the same with 
regard to the netlist.


> in which case it might make
> sense to only give the pin number to one of the items,

How would pcb know, which not numbered pads it should consider as a group?


> and the other is
> for mechanical or fiducial elements where there aren't normally any
> corresponding items in the bom/netlist.

You can add the extra elements directly in pcb. They will be ignored by 
"update-rats" no matter which pin numbers their pads contain.


> Secondly, is there any way to create a sharp outside 45 degree angle
> without creating glitches in the soldermask?

Nothing better, than the two workarounds you already considered. 

IIRC, the issue was discussed on the list while talking about the 
difficulties of arbitrary rotation angle. No patch seems to have sprung from 
this.

--<)kaimartin(>---
-- 
Kai-Martin Knaak
Ãffentlicher PGP-SchlÃssel:
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x6C0B9F53



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