| Serial number | Project | Process capability and tolerance | |||||||
| Soft board | Soft and hard board | ||||||||
| 1 | Maximum processing size | 250*500 | 250*500 | ||||||
| 2 | Number of layers | 8 | 10 | ||||||
| 3 | Maximum and minimum finished board thickness | Number of layers | Minimum | maximum | Number of layers | Minimum | maximum | ||
| 1 Layer | 0.036mm | 0.15mm | 1 Layer | ||||||
| 2 Layer | 0.05mm | 0.17mm | 2 Layer | 0.15mm | 3.0mm | ||||
| 4 Layer | 0.12mm | 0.4mm | 4 Layer | 0.2mm | 3.0mm | ||||
| 6 Layer | 0.3mm | 0.6mm | 6 Layer | 0.5mm | 3.0mm | ||||
| 8 Layer | 0.4mm | 0.8mm | 8 Layer | 0.6mm | 3.0mm | ||||
| 4 | Minimum bore diameter | PTH | 0.1mm | PTH | 0.15mm | ||||
| NPTH | 0.1mm | NPTH | 0.15mm | ||||||
| 5 | Plate thickness ratio | 5:1 | 5:1 | ||||||
| 6 | Inner and outer finished copper thickness | Inner layer | 0.070mm | Inner layer | 0.070mm | ||||
| Outer layer | 0.1mm | Outer layer | 0.1mm | ||||||
| 7 | Minimum line width / line spacing | Base copper12um | 0.05mm | Base copper12um | 0.05mm | ||||
| Base copper18um | 0.055mm | Base copper18um | 0.055mm | ||||||
| Base copper35um | 0.08mm | Base copper35um | 0.08mm | ||||||
| 8 | Protective film alignment | Soft board part | Hard board part | ||||||
|
Cover film distance PAD unilateral |
0.075mm | Cover film is unilateral from PAD | 0.075mm | ||||||
| Cover film distance line | 0.075mm | Cover film distance line | 0.075mm | ||||||
| Retaining the cover film between PADs, PAD spacing | 0.2mm | Retaining the cover film between PADs, PAD spacing | 0.2mm | ||||||
| 9 | Solder mask ink | Anti-welding distance PAD single side | 0.05mm | Anti-welding distance PAD single side | 0.05mm | ||||
| Anti-welding line | 0.05mm | Anti-welding line | 0.05mm | ||||||
| Anti-welding distance PAD single side | 0.15mm | Anti-welding distance PAD single side | 0.15mm | ||||||
| 10 | Dimensional tolerance | Drill hole tolerance | 0.03mm | 0.03mm | |||||
| Aperture tolerance | Hole tolerance | 0.01mm | 0.01mm | ||||||
| Hole tolerance | 0.005mm | 0.005mm | |||||||
| Dimensional tolerance | 0.1mm | 0.1mm | |||||||
| Spacing of the nearest conductor | 0.15mm | 0.15mm | |||||||
| 11 | Surface treatment | Shen Jin | YES | YES | |||||
| Shen Yin | YES | YES | |||||||
| Electric gold | YES | YES | |||||||
| OSP | YES | YES | |||||||
| Remarks | Such as special materials can be up to 450 * 650 | ||||||||
