LED Back Light FPC Membrane Switch , Matte PET Flat Membrane Switch

IP65 waterproof pillow embossed PET metal domes LED Membrane Switch with ESD shielding layer and LCD window Product Structure Overlay/panel Material: PET ( polyethylene terephthalate ), PC ( polycarbonate ), PMMA ( polymethyl methacrylate ), etc. Material brand: Autotype, EBG, EBA, GE, LEXAM Top circuit: metal domes, poly domes, conductive silver or carbon Spacer: 3M, Nitto etc. adhesive Lower circuit: printing silver/carbon layer, flexible PCB, FPC Rear adhesive: 3M, Nitto