For a while I have wanted to try a different way of Toner transfer PCB making that I had read about on line.
I found this single sided board Arduino Single-Sided Serial Board (version 3) as I have the old chip from my Arduino Decimila that's now been converted to a Arduino Demiglove I could do with a new board for the old chip.
I have tried all kinds of colour photo paper in the past followed several different peoples blogs on how you iron on your picture the soak it in water and gently rub the paper off..
Well no matter how careful you are Gently rubbing the toner It comes off leaving areas of track that get over etched with bits of track missing.
So reading about this other method that sounded like it might work I though I would give it a try to day as I had used some Computer labels I had the backing sheet to try out.
What you do is you print on the backing sheet of the computer labels.
I have not had any success with laser Iron on transfer. I was not as pedantic in my cleaning of the board just a quick scrub with a green plastic scourer.
Then I Ironed on the printed image on to the board.. leaving the iron on for about 1-2 mins no rubbing just resting on the label removed the iron. Tried peeling the corner up - to my surprise every part of the toner image was left on the board.
A new use for Arnie the £10 PID control HOB keeping the etch ant warm to make the etching quicker. I set the P.I.D. controller to 50C put a metal case on the hob then the plastic etch tray I found I needed to cover the tray to try to keep the heat in eventually getting 40C popped the board in to etch went away and left it etching wile I set up the Spline cutter.
I took it out slightly too soon as there are a few little patches that are under etched but it is by far better than any previous toner transfer etch result I can see that this board will work It will not need any track repairs.
The labels I have are the cheapest ones you can get from a pound shop so I think any kind will work just fine.
Very very pleased with this result as I have several CCT designs I want to try ~ I hate using the non solder prototyping boards even though I have just bought my first one. I prefer to go from design to board as it has always been the fastest route to have a working demo board to get funding from Directors or customers to start a new project.
PS my laser toner is on its last legs as well I need to put a new one in.. I have one but just want to get every last drop out of the current one first. The toner on the board was a devil of a job to get off and nail varnish remover did not remove it so it was scrubbing with the same old green plastic scourer to get the toner off.
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