This Commercial / Telecom Rigid-Flex FPC is for a computer application with controlled impedance on five layers, and with selective gold electro-plate and electroless nickel

Application: Computer workstation
Size: 12 by 6.5 thomas(at)popwintech(dot)com
Layers: 12 overall, 2 flex
Materials: Adhesiveless flex, Polyimide core, Polyimide no-flow prepreg
Traces: 4.5/4 innerlayers flex - 3.2/4 innerlayers hardboard - 4/6 outerlayers
Minimum hole: 0.0145
Minimum pad: 0.025
Thickness: 0.093 +/- 0.008