




Membrane switch is an operating system which integrates key-press function, indicator element and instrument panel. It consists of panel, upper circuit, isolation layer and lower circuit. Press the membrane switch, the contact of the upper circuit deforms downward, contacts and conducts with the pole plate of the lower circuit. When the finger is loosened, the contact of the upper circuit bounces back, the circuit is disconnected, and the circuit triggers a signal. Membrane switch has precise structure, beautiful appearance and good sealing. It has the characteristics of moisture-proof, long service life and so on. Widely used in electronic communications, electronic measurement instruments, industrial control, medical equipment, automotive industry, intelligent toys, household appliances and other fields.
Film switch is usually printed by screen printer. Film switch is an automatic screen printer. Because the film switch is a soft product, there are usually some faults in printing. The common faults of film switch in screen printer are solved.