Homebrew Circuit Boards: Methods? Supplies?

Tony Duell ard at p850ug1.demon.co.uk
Thu Sep 15 14:31:09 CDT 2005


> >The method I've always used is to etch the board as usual, wash it, then 
> >give it another (longer-than-normal) UV exposure with no artwork -- thus 
> >'fogging' the remaining resist. Then pop it back in the developer and it 
> >will all strip off nicely. Remember on most photoresist boards, the bits 
> >that are exposed to UV are the bits you want to etch away (the artwork is 
> >black for the traces, etc), so the resist that's been exposed is the 
> >stuff that comes off.
> >  
> >
> I am wondering what you have against a stripper like acetone. I have 

Absolutely nothing. But it's one more 'tray of liquid' to have around. I 
find it easier to just stick the board back in the UV box for a minute or 
so, then back in the developer

-tony



More information about the cctalk mailing list