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gold finger board :
| ITEMS: | SPECIFICATION |
| LAYER: | 2 -10layer |
| BOARD MATERIAL: | FR-4, CEM-1,CEM-3, High TG, FR4 Halogen Free,FR-1,FR-2 |
| BOARD THICKNESS: | 0.6-3.2mm |
| CAMBER: | D>5.0+/-0.076mm 0.3<D<+/-0.05MM D<0.3+/-0.08MM |
| MIN.FINISHED HOLE SIZE: | 0.5MM |
| HOLE COPPER THICKNESS: | >20UM |
| MIN.TRACK WIDTH: | 5mill |
| MIN.TRACK SPACING: | 5mill |
| PROFILE SIZE TOLERANCE: | + / -0.15 |
| PROFILE: | MILLING,MOULDING,VUT,CHANFER |
| COATING: | HAL |
| SOLDER MASK COLOR: | green/yellow/black/white/red/blue |
| TECHNNOLOGY: | / |
| LEGEND COLOR: | green/yellow/black/white/red/blue |
| CERTIFICATE: | UL,ROHS,ISO9001,T/S 16949 |
| ASSEMBLY: | LEDA FREE,NOT LEAD FREE |
gold finger board