Flexible PCB specification:
Circuit Sizes: Single Sided Up to 22" x 28" - (558.8mm x 711.2mm)
            Double Sided Up to 16" x 22" - (406.4mm x 588.8mm)
            Maxi-Flex Up to 10" x 16 feet - (254mm x 4877.0mm)
Hole Size:   Non-Plated Thru Holes. 010" (. 25mm) min.      Drilled hole size. Tolerance +/-.0015" (.038mm)
            Plated Thru Holes. 010" (.25mm) min.           Drilled hole size. Tolerance +/-.003" (.076mm)
Line Width And Spacing:
           .005" (.12mm) Minimum Line
           .005" (.12mm) Minimum Spacing
Conductor to Edge of Circuit/Blanking:
            Soft Tooling Outline dimensions +/-.010" (.25mm)
            Hard Tooling Outline dimensions +/-.003" (.076mm)
            Drill Position: Tolerance of +/-.003" (.076mm)
Layers:     Up to 6 Conductor Layers  

Shielding Layer - copper and silver 

Pads on Plating Layer