SMD Circuits and Systems manufacture Membrane Switch with Silicon Rubber Keypads. SMD Circuits and Systems is an ISO 9001:2000 accredited company. The company manufactures Single or Double Sided and Multilayer Printed Circuit Boards. The company also specialises in fast turn designs common in the video processing and data processing and telecom industries. The Membrane Switch with Silicon Rubber Keypads is dust-proof, humidity proof; heat proof [can work even at 100 ° C and -10 ° C]. The membrane switches are completely sealed and polyester sheets are used to manufacture the membrane switches. Polyester sheets have the softening temperature of 125 ° C and melting temperature of 250 ° C.
