Microwave Membrane Keypad Repair Switch Customization 

MEMBRANE KEYPAD WITH METAL DOME   Membrane switches are part of a range of devices considered to be user interfaces (also called operator interfaces, or man-machine interfaces) along with display-based touch screens, and mechanical switches such as push-button, toggle, rocker, and slide switches.Membrane keypad switches are part of a range of devices considered to be user interfaces (also called operator interfaces,or man-machine interfaces) along with display-based touch screens,and mechanical switches such as push-button,toggle,rocker,and slide switches.   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…