Immersion Gold Rigid flex PCB
The basic process of Rigid flex PCB：
1 selection of materials
2 production process and key parts of the control
3 production process .
4 internal single chip graphics transfer
5Flexible material multilayer Positioning
7 drilling 2.
8 to drill dirt, convex eclipse 2
9electroless copper plating, electroplating copper
10surface resistance welding and solderability protection layer
11 contour Processing