gEDA-user: home-made 4 layer board idea

[gene glick]

how about layer registration?  If the tolerances are out of whack, 
nothing will line up very well.

DJ Delorie wrote:
>> Don't forget the chemicals, tanks, protective gloves, resist,
>> photomask (or equivalent).
> 
> I'm all set on that.  I did the two prototypes for the smd challenge
> myself, for example, that's 6 mil rules.
> 
> But I haven't seen any 0.016 single clad in small quantities yet.  Not
> that I've been looking much.
> 
> 
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