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Homebrew PCBs

Index last updated: 2026-04-28 23:05 UTC

Message

Re: lithography circuits - new technology

2004-03-30 by ghidera2000

Actually, they said single "pass" circuits. I understood that to 
mean very thin (depth, not width) tracks. The two pass method makes 
it thicker and then you plate it with copper - the copper mass makes 
it solderable.

At least thats what I got from it.

--- In Homebrew_PCBs@yahoogroups.com, "rmustakos" <rmustakos@a...> 
wrote:
> Dave,
>   LOL, I know what you mean - when I see that there is no DIP 
version
> of a chip, I go into cold sweats.
>   I've got a licensee of theirs sending specs on how it and some of
> their other conductive inks are set up.  Since they are water 
based,
> they may be more compatible with inkjets.  But I have not been 
able to
> get the size of their particles yet. (maybe there is hope for no
> chemicals)
> Richard
> > 
> > Printing the traces and not removing the copper is a great idea.
> > 
> > On the single sided boards, they talked about conductive epoxy 
> > instead of solder.  Not that sounds like even I could do TSSOP 
> > packages.
> > 
> > Dave

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