| Serial NO. |
Procedure |
Item |
Manufacturing capability |
| Large volume （S<100 m2） |
Middle volume （S<10 m2） |
Prototype（S<1m2） |
| 14 |
Laminating |
Tolerance of laminate thickness |
±10% PCB thick |
±10% PCB thick |
±8% PCB thick |
| 15 |
Maximum laminate thickness |
4.0mm |
6.0mm |
7.0mm |
| 16 |
Laminate alignment accuracy |
≤±5 mil |
≤±4 mil |
≤±4 mil |
| 17 |
Drill (18um, 35um, 70um etc are finished copper. If not mentioned copper, finished 1oz is the default value ) |
Min.drill bit diameter |
0.2 mm |
0.2 mm |
0.2 mm |
| 18 |
Min.slot router diameter |
0.60 mm |
0.60 mm |
0.60 mm |
| 19 |
Min.tolerance of PTH slots |
±0.15mm |
±0.15mm |
±0.1mm |
| 20 |
Max.aspect ratio |
1:08 |
1:12 |
1:12 |
| 21 |
Hole tolerance |
±3mil |
±3mil |
±3mil |
| 22 |
Space of via to via |
6mil(same net)，12mil(different net) |
6mil(same net)，14mil(different net) |
4mil(same net)，12mil(different net) |
| 23 |
Space of component hole to component hole |
12mil(same net)，16mil(different net) |
12mil(same net)，16mil(different net) |
10mil(same net)，14mil(different net) |
| 24 |
Etching |
Min.width of etching logo |
10mil(18um)，12 mil (35um)，12 mil(70um） |
8mil(18um)，10mil(35um)，12 mil(70um） |
6mil(18um)，8 mil(35um)，12mil(70um） |
| 25 |
Etch factor |
1.6-2.2 |
1.6-2.2 |
1.6-2.2 |
| 26 |
Outer layer(18um, 35um, 70um etc are finished copper. If not mentioned copper, finished 1oz is the default value ) |
Min.via pad diameter |
20mil |
16mil |
16mil |
| 27 |
Min.BGA pad diameter |
12mil |
12mil |
10mil |
| 28 |
Min.track and spacing |
5/5mil(18um) |
4/4mil(18um) |
3/3.5mil(18um) |
| 5/5mil(35um) |
4/4mil(35um) |
3/4mil(35um) |
| 7/9mil(70um) |
6/8mil(70um) |
6/7mil(70um) |
| 9/11mil(105um) |
8/10mil(105um) |
8/9mil(105um) |
| 13/13mil(140um) |
12/12mil(140um) |
12/11mil(140um) |
| 29 |
Minimum grid |
10/10mil(35um) |
8/8mil(35um) |
4/8mil(35um) |
| 30 |
Min.space (conductor to pad, pad to pad) |
6mil(18um) |
5mil(18um) |
4mil(18um) |
| 6mil(35um) |
5mil(35um) |
4mil(35um) |
| 9mil(70um) |
8mil(70um) |
7mil(70um) |
| 11mil(105um) |
10mil(105um) |
9mil(105um) |
| 13mil(140um) |
12mil(140um) |
11mil(140um) |
