6-layer through-hole plate

Plate thickness: 1.2MM

Copper thickness: 1/1/1/1/1/1/1OZ

Ink: Green Oil White Characters

Drilling: L1-L6 0.2MM

Line width and spacing: 4/4MIL

BGA:  9MIL

Surface treatment: sinking gold

Special process: hole in disc+resin plug hole

Application field: Headworn Bluetooth earphones