HDI blind circuit board

6 layer HDI blind circuit board.  surface treatment ENIG 2-4U". L1-L2 have 0.1mm laser drill. and the HDI blind hole are via in bga pads. These holes are need copper cap.
Green soldermask and white silkscreen.

Surface treatment(surface finished) can be: HASL, Lead-free HASL, Hard Gold plating, Immersion Gold, Immersion Silver, Immersion Tin, OSP and the Options: Gold Tabs, Selective Au, Carbon Ink, Peelable Mask, Micro Via, Controlled Impedance, Score, LASER Drill, Blind Vias and Buried Vias.

And the soldermask colour can be: green, bule, white,black, red, yellow, orange, matt-green(semi green), matt-black. The silkscreen colour can be: white, black, yellow.