Archive of the former Yahoo!Groups mailing list: Homebrew PCBs
Subject: Re: U.S. source for this heat-transfer solder resist film?
From: "Mario Mikulandra" <mmaudioelectronics@...>
Date: 2013-08-09
My intent wasn't to discourage you. All photosensitive dry films have a shelf life approx. 6 months at the room temperature. The best thing to do is complete your PCB design first, etch, drill and then order the dry film soldermask. ;)