Homebrew PCBs

DJ Delorie wrote:
> 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

I think I've sorted it...

A 960-second (16-minute) exposure on CIF 0.8mm D/S pre-coated board produced a 
step of 11. Shifted exposure by -3 stops to get 340 seconds, tried again and 
got a step of 8:

<http://pcbwiki.philpem.me.uk/tiki-download_wiki_attachment.php?attId=1>
(JPEG image)

Now I just need to get the masks aligned, cut a piece of board down, expose 
and etch...

-- 
Phil.
ygroups@...
http://www.philpem.me.uk/