You can also buy presensitized boards (film already applied), I get mine from circuitspecialists.com -3.91'' x 5.91'' single sided phenolic , $3.99 On Sun, Jul 15, 2012 at 10:56 AM, Mark Hanchey wro= te: > On 7/14/2012 12:24 PM, John Ferrell wrote: >> This sounds like something I need to try! >> >> But somewhere I missed what the laminator is used for with the photo >> process?? >> >> On 7/14/2012 8:48 AM, Mark Hanchey wrote: >>> Final item I needed was a >>> laminator, about $30. > > The laminator is used to apply the film to the board, really that is the > most difficult part of the process. > The film comes with a protective cover on both sides, peeling off the > inner side that goes towards the board takes a few minutes because it is > hard to get the inner cover started because it is so well applied to the > inner film, also being in a room with only red light doesn't help a > whole lot . Once you get a corner started though it peels right off. I > wet the board slightly and apply the film, without the water it will > stick instantly to the board and moving it around to center it on the > board can be difficult without the water. Once you have it on the > board, you feed it into the laminator and out comes the board ready to > expose. Once you expose you remove the top protective layer, peeling it > off . Drop in developer and your ready to etch. > > After you etch you can remove the film with acetone, i buy the pure > acetone finger nail polish remover as I don't use large quantities of > the stuff. Pour acetone on the board , wait about 5 secs and the film > will break down and can be rinsed off. Or if you want you can just > scrape away the pads for soldering and leave the film attached and it > makes a nice protective coating for the traces. > > MG chemicals , maker of a lot of pcb products has a video tutorial on > youtube, that is what I started with to learn the process. > http://www.youtube.com/watch?v=3DVkQroiEJBMs > > Mark > > > > > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist --=20 Jason White --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .