FPC, Flexible PCB, Keyboard FPC, flex pcb FPC, Flexible PCB, Keyboard FPC, flex pcb: *Min track width: single-side:0.1mm ... *Min.hole diameter: drilling:0.2mm punching:0.3mm*Single-flexible: material:ED copper foil,rolled copper foil specifications:520*250mm ... *Double-flexible: material:ED copper foil,rolled copper foil specifications:520*250mm ...