型号
HeartFR4 6 layers Immersion gold PCB manufacturer
Finish Hole Size
PTH ±0.003'' ,NPTH ±0.002"
Silk Screen Min Line width
0.006" or 0.15mm
Solder Mask Rrgistration
±0.003"
Layer to layer Rrgistration
±0.003"
Min Plated Drills to Copper:
0.25mm, 0.30mm