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Auto Industry
Film keys on the metal shrapnel is located in the conductive part of the PCB board (most of them are located in the circuit board on the gold finger above), when received when pressed, the center of the shrapnel concave, contact with the line on the PCB, thus forming a circuit, the current through, the whole product can work normally.
Keyboard conductive film is mainly used in all kinds of keyboard key products, raw materials include according to the ester film PET, conductive silver paste, conductive carbon paste, UV insulating oil, waterproof glue.
