Beneath the top layer, there is a spacer layer made from materials such as silicone or rubber. The spacer layer provides cushioning and helps to create a tactile response when the buttons are pressed. It also separates the top and bottom circuit layers of the membrane switch panel.
The bottom layer of the membrane keypad consists of a circuit layer, which is usually made from polyester or polyimide film. This layer contains the electrical traces and contacts that are used to register button presses. When a button is pressed, it makes contact with the circuit layer, completing an electrical circuit and sending a signal to the device or system it is connected to.
Overall, the materials used in a membrane keypad are chosen by membrane keypad manufacturer for their durability, flexibility, and electrical conductivity to ensure reliable and long-lasting performance.
You may also be interested in the membrane switches offered by Niceone Tech:
Explore our range of membrane keypads and switches today for an unmatched user interface experience.
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