Flexible printed circuit board (FPC) General 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) (smaller holes can be manufactured. ) Line width and spacing: . 005" (. 12mm) minimum line . 005" (. 12mm) minimum spacing (finer lines can be manufactured. ) 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 Standard export carton