I made a diy PCB at home, how can I make a solder mask for it at home?
Please watch following link,http://www.youtube.com/watch?v=4l1mXpL5lDQ
Do you mean the green coating on the board traces? If so, I have been looking for whatever that is to screen print on to my own boards. I found http://cgi.ebay.com/Techspray-2220-8SQ-FAST-CURE-PEELABLE-SOLDER-MASK_W0QQitemZ370211255088QQcmdZViewItemQQptZTelevisions?hash=item56324f7330&_trksid=p3286.m20.l1116 not if that would work or not.
Look at the toner transfer method.