Key Specifications:
Layer count: 8
Finish thickness: 2.667 ±0.254mm
Minimum via diameter: 0.4mm
Surface finish: HASL-LF
Specialty:
L1 to 4, L5 to 8: mechanical
Blind via of: 0.35mm
Annular ring: 3 mils
All blind via are filled by resin
Outer and inner layer copper thickness: 4oz