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Charles Bannister
09/27/05 00:33
Read: 1050 times
Honolulu
USA


 
#101594 - File Edges of PCB top and bottom.
Responding to: Rob Vassar's previous message
Hello Rob,

So far all of the tips you have been given are wrong. All you need is 200 grit sand paper, a flat file, iron set to 1/3 heat and a sheet of typing paper.

1. File all the edges (top and bottom [8 sides total]) of the PCB with a flat file. This makes sure the iron will meet all of the printed circuit board. This is the single most important step.

2. Clean the PCB with the 200 grit sand paper. 10 seconds of sanding is all you need. Wipe off with paper towel.

3. Place the Toner Transfer on the PCB. Place a piece of typing paper over the Toner Transfer and iron for two to three minutes. Don't put a lot of pressure on the iron. Just move it back and forth on all sides.

4. Let the PCB cool for about five minutes and pry the toner transfer off of the PCB.

You will get perfect results. I have been using this method for 10 years and done thousand of boards with 100% results. I even do double sided boards with great results. The smallest foil should be 20 mils. I try to lay out my board with 50 mils foils unless I have to shrink them.

Regards,

Charles Bannister

List of 25 messages in thread
TopicAuthorDate
Toner Transfer PCB's      Rob Vassar      09/26/05 14:03      
   Toner Transfer      Farshid Jafari Harandi      09/26/05 14:20      
      Don't forget      Jon Ledbetter      09/26/05 14:36      
         I used acetone      Rob Vassar      09/26/05 15:05      
         clean copper side      Farshid Jafari Harandi      09/26/05 20:18      
   File Edges of PCB top and bottom.      Charles Bannister      09/27/05 00:33      
      Type of paper used      Ashwin Nayak      10/07/05 10:53      
         PNP BLUE Type thermal paper.      Charles Bannister      10/07/05 12:28      
      Amazing      Vignesh Prasad      10/11/05 08:41      
         Double sided...      Robert Perez      10/11/05 14:34      
         Alignment of Top and Bottom PCB Layers      Charles Bannister      10/11/05 14:35      
            Double sided etching      Vignesh Prasad      10/12/05 11:25      
               Double sided post !      Vignesh Prasad      10/31/05 08:32      
               Q&A double sided etching      Charles Bannister      10/31/05 19:02      
                  Bubble tank        Steve M. Taylor      11/01/05 03:13      
                     Making one with these guidelines      Abhishek Singh      11/01/05 07:43      
                     addendum      Steve M. Taylor      11/01/05 10:16      
                     Like these...      Jon Ledbetter      11/01/05 10:26      
                     Something like this?      Vignesh Prasad      11/01/05 21:46      
                        Yes      Steve M. Taylor      11/02/05 09:41      
                  New methods      Vignesh Prasad      11/01/05 21:49      
         Art Paper      Ashwin Nayak      10/30/05 11:49      
            Blue sheet Vs Photographic paper      Charles Bannister      10/30/05 14:52      
            Timing and Tinning      Vignesh Prasad      10/31/05 08:43      
               Tin your self      Abhishek Singh      10/31/05 21:03      

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