Led Pcb By H.c.c International Limited

Following Specification of LED PCB :
1. Surface finish: HASL, Immersion Gold, Gold plating, OSP, Immersion Tin etc.
2. Layers: 2-30
3. Minimum Line width: 3mil
4. Minimum Line space: 3mil
5. Min space between pad to pad: 3mil
6. Minimum hole diameter: 0.10mm
7. Min bonding pad diameter: 10mil
8. Max proportion of drilling hole and board thickness: 1: 12.5
9. Max size of finish board: 23inch*35inch
10. Rang of finish boarda s thickness: 0.21-7.0mm