... layer:0.4mm ±0.1mm6-layer:0.6mm ±0.1mm8-Layer:1.0mm ±0.1mm10-layer:1.0mm ±0.12mm12-layer:1.2mm ±0.12mm…32-layer ... annular ring to inner pattern0.1mmLayer-to-layer registration±0.003”(0.08mm)Solder MaskColorgreen,light ... extreme white,black,matte black,dark brown,yellow,red,blue,transparentMin. solder mask clearance0.003”Thickness0. ... set out to surpass them. 2 Layer Immersion Gold PCB With Gold Finger