... solder mask, UV solder mask5. Minimum line width: 0.075mm (3mil)6. Minimum line space: 0.075mm (3mil)7. ... size of finish board900MM*900MM5Minimum Linewidth3mil (0.075mm)6Minimum Line space3mil (0.075mm)7Min space between pad to pad3mil ... , Gold Plating (Flash Gold), OSP, etc.14SoldermaskGreen, White, Red, Yellow, Black, Blue, transparent photosensitive soldermask, Strippable soldermask.15Minimun ...