... equipment; good quantity & service; RoHS material; switch boardMembrane switches is a type of keypad, which ... early 1980.1)Items——membrane switch, keypad, membrane keypad, keyboard switch, switch panel, membrane panel, membrane overlay ... 10oz)f-2) Tactile type——150 - 400g (6 - 14oz.)g) Switch strokeg-1) Flat type 0.1 - 0.5mmg ... -2) Tactile type—— 0.6 - 1.5mmh ...