Backlight Custom Graphic Membrane Switch 

BLACK CUSTOM GRAPHIC MEMBRANE SWITCHES Generally, this kind of membrane switch will be used by numerical control equipment, as well as by instruments. The membrane switch is controlled by the analytical instrument, mainly because it is thin and the fit can be very smooth. Of course, if you are afraid of water penetration, then Waterproof grooves can be used, which are produced by process technology. For details, you can consult us. Membrane switch is an operating system that integrates key functions, indicating elements and instrument panels. It consists of four parts: panel, upper circuit, isolation layer and lower circuit. When the membrane switch is pressed, the contacts of the upper circuit are deformed downward, and are in contact with the pole plate of the lower circuit. After the finger is released, the contacts of the upper circuit bounce back, the circuit is disconnected, and the circuit triggers a signal.The membrane switch has strict structure, beautiful appe…