Solder Mask
Description
Standard
Advance
Description
a
Clearance of Solder Mask to SMD Pad
80 §­
( 3.15 mil )
50 §­
( 2.00 mil )
b
Min. Solder Mask Web
100 §­
( 4.00 mil )
80 §­
( 3.15 mil )
c
Clearance between Solder Mask Opening and Annular Ring
80 §­
( 3.15 mil )
50 §­
( 2.00 mil )
d
Thickness of Solder Mask
Max 10 §­
( Max 0.8 mil )
Max 20 §­
( Max 1.2 mil )
e
Solder Mask Thickness on the Circuit Knee
4 §­
( 0.1 mil )
8 §­
( 0.2 mil )
f
Legend Width
150 §­
( 5 mil )
125 §­
( 4 mil )