Solder Mask Finishes
Solder Resist
(LPSM)

Description
Solder Resist Is an ink-based liquid applied using either Air spray or Screen printing. It is applied as a permanent layer which protects copper from corrosion and aids assembly. The standard colour for PCBs is green, but there are many other colours available including; black, blue, red and high white. Solder resist can also be supplied in matt, semi matt, or a gloss finish.
Resources
Ink Notation
