Stackup:


Thickness

Thickness (mm)

Layer

Tolerance

Tolerance (mm)

1 mil

.025

Solder Mask

±0.25mil

±0.01

1.5 mil

.04

1 oz copper

+0.5mil

±0.02

13 mil

.33

FR4 Prepreg

 


0.7 mil

.02

0.5 oz copper

 


28 mil

.7

FR4 Core

 


0.7 mil

.02

0.5 oz copper

 


13 mil

.33

FR4 Prepreg

 


1.5 mil

.04

1 oz copper

+0.5mil

±0.02

1 mil

.025

Solder Mask

±0.25mil

±0.01


PCB Substrate dielectric constant of 3.95 @ 1GHz