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How do Rubber Keypads Work?
29 Jun 2020
A rubstone keypad membrane switch uses compression-cast silicone rubber with conductant carbon pills or with no-conductant rubber actuators. The compression mold preserver creates an angled weaver around a keypad center. When a keypad is enforce, the web gear collapses or misshapen to furnish a tactual response. When the impression on the keypad is released, the webbing returns the keypad to its origin place with positive feedback. The closing of the switch circulate appear when the conductant pill or printed conductant ink occasion contact to a PCB when the web has been inform.
