| |
Size |
Tolerance |
| Item |
inch |
mm |
inch |
mm |
 |
1) Minimum Lines
|
.0040
0.100 |
.1016
.2540 |
±.0005
±.0010 |
±.0127
±.0254 |
2) Minimum Spaces
|
.0040
0.100 |
.1016
.2540 |
±.0005
±.0010 |
±.0127
±.0254 |
3a) Minimum Annular Ring
Width for .008 Dia Via/
All Other |
.0060
.1524 |
.0100
.2540 |
|
|
3b) Minimum Annular
Isolation Width for
.008 Dia Via/All Other |
.0080
.2032 |
.0100
.2540 |
|
|
4) Minimum Trace Center
to Center (1/2 oz. / 1
oz.copper) |
.0080
.2032 |
.0200
.5080 |
|
|
5) Recessing of Circuit
Features from Machined
Edges |
.0010
|
.0254
|
|
|
6a) Minimum PTH
Diameter |
.0080 |
.2032 |
|
|
6b) Preferred Minimum
PTH Diameter |
.0100
|
.2054
|
|
|
6c) Standard PTH
Diameter |
.0150
|
.3810
|
|
|
6d) Optimum PTH
Diameter |
.0200
|
.5080
|
|
|
7) Maximum Aspect Ratio
substrate thickness
dividedby PTH
diameter) |
4:1
TBR |
|
|
| 8) CNC Machined features: |
| - Router, Minimum Internal Radius |
.0150
|
.3810
|
|
|
| - Driller, Minimum Diameter |
.0080 |
.2032 |
|
|
| 9) CNC Machining Accuracy: |
| - Hole to Hole |
|
|
±.0020 |
±.0508 |
| - Finished Hole Size |
|
|
±.0010 |
±.0254 |
| - Hole to Pattern |
|
|
±.0020 |
±.0508 |
| - Rout to Pattern |
|
|
±.0050 |
±.1270 |
10) Etched Metal Film
Resistor Values |
25
ohms / square |
± 20% |
11) Front to Back
Registration |
|
|
±.0010 |
±.0254 |
12) Minimum Hole to Hole
Spacing (typical pitch,
2x diameter) |
.0160
|
.4064
|
|
|
13) Layer to Layer
Registration: (9x12
panel / 12x18 panel) |
|
|
.006
TBD
|
.1524
TBD
|
- Largest Panel Size
Multilayer |
12x18
|
305x457
|
|
|
- Largest Panel Size
With Gold Plating |
12x18
|
305x457
|
|
|
