China Auto Door Access Control PCB Board and PCB Assemblies, Find details about China Controlled PCB Board, Smart Controlled PCB Assembly from Auto Door Access Control PCB Board and PCB Assemblies
Items | Parameter | Special | ||
Layers Counts | 2-20 | |||
Board material | FR-4,Aluminum | High Tg FR4 | ||
max Fabrication area | 580×700mm | 500mm×3000mm | ||
Board thickness | 0.1-3.2mm | |||
Camber | Double Side multi -layers | d ≤0.075mm d ≤1% | d≤0.05mm | |
Impedance | ±7% | ±5% | ||
PTH tolerance | d>5.0 | ±0.076mm | ||
0.3<d≤5.0 | ±0.05mm | |||
d≤0.3 | ±0.08mm | |||
Min finished hole size | 0.15mm | |||
Hole copper thickness | ≥20um | |||
Min track width, spacing | 0.05mm ×0.05mm | |||
Profile size | ±0.1mm | ±0.05mm | ||
Profile | Routing,Punch,Cut,V-cut,Chanfer | |||
Surface finish | Immersion Gold:0.025~0.075um | |||
Gold finger:≥0.13 um | ≥1.0 um | |||
OSP:0.2-0.5µm | ||||
HAL:5~20 um | ||||
LEADFREE HAL:5~20 um | ||||
Surface plating | Solder mask: Black Green White Red Thickness≥17 um,Block,BGA | |||
Character : Black Yellow Green White style: Highness≥0.0.625mm Width≥0.125mm | ||||
Ppeelable mask: red bule thickness≥300 um | ||||
Carbonink : Black thickness≥25 um Highness≥0.30mm Width≥0.3mm |