How to make high quality PCBs with UV curable solder mask

[SevenZero]

If you need to make professional quality PCBs with UV curable solder mask, here are the steps on how to do it. You can but most of these stuff from TRONIC.LK.

1. Apply little paint on the PCB

   

   u1.jpg (81.25 KiB) Viewed 4139 times

2. Keep the printed transparent solder mask on it and spread it

   

   u2.jpg (51.77 KiB) Viewed 4139 times

3. Make sure the solder pads are perfectly aligned to the PCB

   

   u3.jpg (90.86 KiB) Viewed 4139 times

4. Put it under strong UV light for 40 minutes (Florescent lights are okay)

   

   u4.jpg (34.73 KiB) Viewed 4139 times

5. Remove the transparent sheet and wash away the extra paint using gasoline or oil base solvent

   

   u5.jpg (72.47 KiB) Viewed 4139 times