Number of layers: 16L
Material: Taiyao TU-872SLK, Board thickness: 1.8±0.1mm
Copper thickness: 1oz
Surface treatment: Gold plated fingers 30" + Immersion gold 2u", 

Outer layer line width/spacing: 75/75um
Minimum hole diameter: Mechanical hole: 0.20mm, 

Aspect ratio: 9:1
Solder mask and legend color: Green solder mask with white letters.