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