China Double Side Thick Copper Immersion Gold PCB for Consumer Electronics, Find details about China Thick Copper PCB, PCB from Double Side Thick Copper Immersion Gold PCB for Consumer Electronics
Items | Speci. | Remark | |
Max panel size | 32" x 20.5"(800mm x 520mm) | ||
Min trace width/ space (inner layer) | 4mil/4mil(0.1mm/0.1mm) | ||
Min PAD (inner layer) | 5 mil(0.13mm) | hole ring width | |
Min thickness(inner layer) | 4 mil(0.1mm) | without copper | |
Inner copper thickness | 1~4 oz | ||
Outer copper thickness | 0.5~6 oz | ||
Finished board thickness | 0.4-3.2 mm | ||
Board thickness tolerance control | ±0.10 mm | ±0.10 mm | 1~4 L |
±10% | ±10% | 6~8 L | |
±10% | ±10% | ≥10 L | |
Inner layer treatment | brown oxidation | ||
Layer count Capability | 1-30 LAYER | ||
alignment between ML | ±2mil | ||
Min drilling | 0.15 mm | ||
Min finished hole | 0.1 mm | ||
Hole precision | ±2 mil(±50 um) | ||
tolerance for Slot | ±3 mil(±75 um) | ||
tolerance for PTH | ±3 mil(±75um) | ||
tolerance for NPTH | ±2mil(±50um) | ||
Max Aspect Ratio for PTH | 8:1 | ||
Hole wall copper thickness | 15-50um | ||
Alignment of outer layers | 4mil/4mil | ||
Min trace width/space for outer layer | 4mil/4mil | ||
Tolerance of Etching | +/-10% | ||
Thickness of solder mask | on trace | 0.4-1.2mil(10-30um) | |
at trace corner | ≥0.2mil(5um) | ||
On base material | ≤+1.2mil Finished thickness | ||
Hardness of solder mask | 6H | ||
Alignment of solder mask film | ±2mil(+/-50um) | ||
Min width of solder mask bridge | 4mil(100um) | ||
Max hole with solder plug | 0.5mm | ||
Surface finish | HAL (Lead or Lead free), immersion Gold, Immersion Nickel, Electric Gold finger, Electric Gold, OSP, Immersion Silver. | ||
Max Nickel thickness for Gold finger | 280u"(7um) | ||
Max gold thickness for Gold finger | 30u"(0.75um) | ||
Nickel thickness in Immersion Gold | 120u"/240u"(3um/6um) | ||
Gold thickness in Immersion Gold | 2u"/6u"(0.05um/0.15um) | ||
Impedance control and its tolerance | 50±10%,75±10%,100±10% 110±10% | ||
Trace Anti-stripped strength | ≥61B/in(≥107g/mm) | ||
bow and twist | 0.75% |