----- Original Message ----- From: "Peter Loron" To: "Microcontroller discussion list - Public." Sent: Wednesday, July 15, 2009 7:29 PM Subject: Re: [EE] Can't get the toner to stick... > > On Jul 15, 2009, at 2:44 PM, solarwind wrote: > >> I've tried this a few times and it's not working. I printed my PCB >> design onto photo glossy laser paper (will try magazine paper next) >> and then I iron it onto the copper board. Some parts stick, but some >> parts don't stick at all. >> >> Any tips? >> >> -- [ solarwind ] -- http://solar-blogg.blogspot.com/ > > Scrub the board carefully with a green scotchbrite pad to remove > surface oxidation and dirt. > > Wash very carefully with soap and dry. > > Scrub the board clean with acetone to remove any oils. It should now > be bright, shiny, blemish free copper. > > I used the Staples inkjet photo paper, and a hot iron. Press hard and > let the heat really soak in to the toner and board. > > > That setup worked for me, and the toner was _really_ stuck to the > copper. I used a toothbrush to get the last of the paper off of the > copper before etching...no issues with the toner coming up. > > I think having the fresh super clean copper along with the heat are > the keys. I found that one of our two irons was 30C hotter than the > other one...yours may not be hot enough. > > You may also want to try a different printer with a different brand of > toner... > > -Pete I will just add, don't touch the copper with your hands. I have also heard of people preheating the copper befor iorning. victor > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist