Name: HDI Mobile Phone Board
Number of floors: 6
Plate thickness: 1.0mm
Blind hole: 1-2 layers, 2-3 layers, 3-4 layers, 4-5 layers, 5-6 layers
Minimum aperture: 0.1mm Number of blind holes: 12960
Minimum line width and spacing: 3.8mil/3.8mil
Minimum welding ring: 3.8mil
Surface treatment: immersion gold