Solder Mask

Solder mask always cover on the places which do not use for soldering and only expose the copper of the places need to use

for soldering. So that to prevent some incorrect connections when soldering. The specification of the solder mask is as below.

Classification

Color

Application

Function & Feather

Photosensitive solder mask oil

Green/White/Black/Yellow/Red/Blue

Copper pour/

Solder Mask dam

1. As PCB color

2. Prevent incorrect connections when soldering

3. Strong solder resistance

Matte solder mask oil

Matte Green/Matte Black