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Abhishek Singh
10/31/05 21:03
Modified:
  10/31/05 21:13

Read: 790 times
Bilaspur
India


 
#103210 - Tin your self
Responding to: Vignesh Prasad's previous message
chemicals required

distilled water
Stanous Chloride aka tin chloride
Thio Urea
conc. sulphuric acid


mix slowly 12 ml of conc. sulphuric acid to 1 litre of distilled water. take caution never add water to acid(Always add acid to water. sulphuric acid is corrosive). Now add 3.8 gms of Tin chloride to this and stir. and at last mix 49.5 gms of thio urea to the solution and stir again. If temprature is lower than 100 DF warm the solution up. Normally adding sulphuric acid to the water is exothemric and warms the mixture itself.

at this point your PCB should be ready and cleaned surface, cant store this solution for long. dip your board and see a layer of tin over your copper traces.

see here

Abhishek

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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