Re: gEDA-user: overlapping via changes

[kai-martin knaak <kmk@xxxxxxxxxxxxxxx>]

Armin Faltl wrote:

>> The hole had to be non-round and clad with metal. 
>> So regular milling wouldn't do.
>>   
> Can you give a reason? - I can only imagine a mechanical one.

You already guessed it. Mechanics was the main reason. Non round 
structures had to be soldered to the pcb and space was at premium.


> When you put it on the Wiki, pleas also explain, that doing this is 
> electrical and thermal nonsens,

There is no evidence for users falsely believing that overlapping 
metal clad holes are good for thermal or electrical conductivity. 
So there is no reason to preach to them.

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



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