| Technology
Items |
Technology Index of the Process-making Capacity |
| Surface Processing |
Nickel Gold Plating/ Tinning/ Chemical Gold/ Carbon Oil/ Gold Finger / OSP |
| Max board size |
620mm
x 420mm(24.41" x 16.54") |
| Min board size |
5mm x 5mm |
| Warpage |
Single-sided board:
1.0% Double-sided Board: 0.7% |
| Minimum thickness & tolerable limit |
0.4mm±0.08mm |
| Min Line Width/ Spacing & tolerable limit |
Tinning Board:
0.15mm±20%(6mil±20%)
Golden Board: 0.15mm±20%(6mil±20%) |
| Cu Surface to Board |
0.5mm(20mil) |
| Hole Edge to Conductor |
0.3mm(11.8mil) |
| Min Hole Diameter & Tolerable Limit |
0.4mm±0.076mm(12mil±3mil) |
| Max Hole Diameter & Tolerable Limit |
0.4mm±0.076mm(15.75mil±3mil) |
| Thickness of Copper Inside the Bore |
20-25um(0.79mil-1.0mil) |
| Hole True Position |
±0.076mm(±3mil) |
| The smallest diameter circle Chong |
Fiber Materials Thickness 1.0(40mil) less than 1.0(40mil)
Paper-based materials Thickness 1.6(63mil) less than
0.8mm(31.5mil) |
| Fiber Materials Thickness 1.2-1.6mm(47mil-62.99mil)
1.5mm(59mil) |
| Minimum specifications Chong side groove |
Fiber Materials thickness
1.0mm(40mil) less than 0.8 x 0.8mm(31.5mil x 31.5mil) |
| Paper-based materials
FR4.94HB board 1.2-1.6mm(47mil-62.99mil) 1.0 x 1.0mm(40mil
x 40mil) |
| Silkscreen Tolerable Limit |
±0.076mm(3mil) |
| Mould Size Tolerable Limit |
CNC milling machine shape:±0.1mm(±4mil)
Stamping shape:±0.15mm(±6mail) |
| V-CUT Contraposition |
±0.2mm(±8mil) |
| V-CUT Angle Deviation Degree |
±5° |
| V-CUT Board Thickness Limit |
0.6mm-3.2mm(15.5mil-125.98mil)
|
| Min SMD Spacing |
0.3mm(12mil)
|
| Min Cell Tab Style |
0.15mm(5.9mil) |
| Min Width of Single side Solder-ring (finished product) |
0.15mm(5.79mil) |
| Min Pad Windowing |
0.076mm(3mil) |
| Min Ink Bridge |
±0.076mm(0.3mil) |
| Board Warp |
< 0.7% |
|
Process-making Capacity of Carbon Oil Board:
1.0 High Impedance Limit: 
2.0 Hardness: 6H
3.0 Friction Tolerance Number: above 200000 |
