Stackup:

 

Thickness

Thickness (mm)

Layer

Tolerance

Tolerance (mm)

.75 mil

.02

Solder Mask

±0.25mil

±0.01

1.5 mil

.04

1 oz copper

+0.5mil

±0.02

59 mil

1.5

FR4 Substrate

 


1.5 mil

.04

1 oz copper

+0.5mil

±0.02

.75 mil

.02    

Solder Mask

±0.25mil

±0.01


PCB Substrate dielectric constant of 3.95 @ 1GHz