Guangzhou Highleap Electronic Co.,Ltd.
Guangzhou HighLeap Electronic Co.,ltd.
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Hot Sales Factory Price Flexible PCB Prototype PCB Sheets Printed Circuit Board PCB for Printer & Other Boards Service Manufacturers
Production Capacity
| PROCESS | Item | Unit | Limit tolerance | Normal tolerance |
|---|---|---|---|---|
| Drilling | Min drilling hole size | mm | 0.1 | 0.2 |
| hole diameter | mm | ±0.075 | ±0.1 | |
| Exposure | Min. line width/space | mm | 0.05/0.05 | 0.075/0.075 |
| hole ring | mm | 0.125 | 0.20 | |
| offset tolerance | mm | 0.10 | 0.15 | |
| Line with tolerance | mm | ±0.03 | ±0.04 | |
| Profile | R angle for etching | mm | 0.5 | 0.5 |
| steel die tol | mm | LS:±0.075 HS:±0.01
| LS:±0.075 HS:±0.01 | |
| cutting die tol | mm | Etching:±0.20 Wooden:±0.30 | Etching:±0.30 Wooden:±0.50 | |
| Laser tol | mm | ±0.05 | ±0.05 | |
| offest tol for fingers | mm | ±0.10 | ±0.10 | |
| Surface treatment | Immersion gold | um | Ni:2.0~5.0 Cu:0.03~0.8 | Ni:2.0~5.0 Cu:0.03~0.8 |
| Plating tin | um | 8~20 | 8~20 |
