Re: gEDA-user: homebrew UV photoplotter for direct exposing of photo-etch-resist on laminate

[DJ Delorie <dj@xxxxxxxxxxx>]

Having done both TT and UV, I can say that UV is much more precise.  I
can do 12 or maybe 10 mil lines with TT reliably.  With UV I can do 8
easily, and down to 5 with care.  UV is more steps, but once the
chemicals are mixed and stored, the "effort" is just to soak them in
the right tanks for the right amount of time.

I also have many mis-starts with TT, causing me to re-print and start
again.  I almost never have these with UV.  However, I have some
press-n-peel I've yet to try to see if that solves that problem.


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