... type of keypad, which can be touched lightly. It integrates switch key, membrane panel, marker, symbol, display functions and plate, as ... and parts began early 1980.1)Items——membrane switch, keypad, membrane keypad, keyboard switch, switch panel, membrane panel, membrane overlay, membrane faceplate ... 10oz)f-2) Tactile type——150 - 400g (6 - 14oz.)g) Switch strokeg-1) Flat type 0.1 - 0.5mmg-2) Tactile ...