Multilayer PCB Board Prototype Custom Printed Circuits Rigid Flex PCB Manufacturer
| PROCESS | Item | Unit | Limit Tolerance | Normal tolerance |
Board cutting & thickness | | / | 1-6 layer | 1-6 layer |
| / | 2-layer(rigid flex) | 2-layer(rigid flex) |
| cutting size: 250mm | mm | 250*1000mm | 250*500mm |
| | mm | 0.075mm(FPC) | 0.10mm(FPC) |
| mm | 0.3mm(rigid flex) | 0.3mm(rigid flex) |
| Other auxiliary material | Adhesive stiffener | um | PSA:50um | PSA:50um |
| hot setting adhesive | um | 12.5/25/40um | 12.5/25/40um |
| PI stiffener | um | PI: 1.0-13mil | PI: 1.0-13mil |
| Other stiffener type | / | steel, Al, silicon steel sheet | |
| Drilling | Min. drilling hole size | mm | 0.1 | 0.2 |
| hole diameter tolerance | mm | ±0.075 | ±0.1 |
| PTH | hole wall copper thickness | um | 8/15/25 | 8/15/25 |
| Exposure | Min line width/space | mm | 0.05/0.05 | 0.075/0.075 |
| hole ring | mm | 0.125 | 0.2 |
| offset tolerance | mm | 0.1 | 0.15 |
| Line width tolerance | mm | ±0.03 | ±0.04 |
| Distance between hole edge to outline | mm | ≥0.4 | ≥0.5 |
| Lamination | Coverlay tolerance | mm | 0.15 | 0.2 |
| PI stiffener with outline | mm | ±0.3 | ±0.3 |
| Sensitive PSA | mm | ±0.3 | ±0.3 |
| FR4 location tolerance | mm | ±0.3 | ±0.3 |
| Ink | Soler mask thickness | um | 8 | 15 |
| Silk screen thickness | um | 8 | 15 |
| Profile | R angle for etching cutting die | mm | 0.5 | 0.5 |
| | mm | LS: ±0.075 | LS: ±0.075 |
| mm | HS: ±0.01 | HS: ±0.01 |
| | mm | Etching: ± 0.20 | Etching: ± 0.30 |
| mm | Wooden: ± 0.30 | Wooden: ± 0.50 |
| Laser tol. | mm | ± 0.05 | ± 0.05 |
| Offset tol. for fingers | mm | ± 0.10 | ± 0.10 |
| Surface treatment | | um | Ni: 2.0~5.0 | Ni: 2.0~5.0 |
| um | Au: 0.03~0.08 | Au: 0.03~0.08 |
| Plating tin | um | 8~20 | 8~20 |
About HighLeap Electronic
Advantages of HighLeap Electronic
FAQ
1. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
2. why should you buy from us not from other suppliers?
Own manufacturing
Own assembly
Professional Services Team
3. what services can we provide?
Accepted Delivery Terms: FOB;
Accepted Payment Currency:null;
Accepted Payment Type: T/T,L/C;