Homebrew PCBs

Philip Pemberton <ygroups@...> writes:
> I did a quick search of the archives (and had a read of the page on
> Thinktink's website, but that was about as clear as mud) and didn't
> find anything particularly relevant.
> 
> IIRC I was searching for "step exposure uv" and things related to that...

Relevent messages (search for "delorie exposure step"):

http://tech.groups.yahoo.com/group/Homebrew_PCBs/message/20864
http://tech.groups.yahoo.com/group/Homebrew_PCBs/message/20879
http://tech.groups.yahoo.com/group/Homebrew_PCBs/message/20887
http://tech.groups.yahoo.com/group/Homebrew_PCBs/message/20890
http://tech.groups.yahoo.com/group/Homebrew_PCBs/message/20896

(Feel free to link to these on the wiki)

> > You put the gauge on some PCB and expose it for some time,
> 
> With the artwork or without?

Without the artwork, but with everything else you'll use - like a
glass overlay or vacuum system.

The last message above tells you how to test your ink to see how much
UV it blocks; you use artwork for that.