- on Miscellaneous Electronics
- Published in issue 7/2011 on page 64
Make Your Own Solder Mask Overlays
The use of solder-resist lacquer or film gives a printed circuit board (PCB) not only a professional appearance but also prevents unwanted solder bridges causing circuit malfunctions. This article demonstrates how you can add the protection of a solder mask to home-made PCBs without the need for specialist equipment.
Issued: July 6, 2011.
The required substance for making the developer is caustic soda, not washing soda.