How membrane switches work

Membrane switch is a multi-layered keyboard switch made of PC/PET insulating material. It is a customized product of keypads, electronic parts, and decorative panels. The keypads of the membrane switch have a long service life. The general PC/PET membrane material can be tactile for about Life span of one million times.

The basic working principle of the membrane switch is as follows: when the membrane panel is not pressed, the membrane switch circuit is in a normal state, the upper circuit and lower circuit contact points are disconnected, and the spacer layer isolates the upper and lower circuits; when the membrane switch panel is pressed When, the contact point of the upper circuit bends downward and merges with the lower circuit. At this time, the circuit is in a conducting state. The connected circuit inputs signals to the external connected equipment and instruments to complete thecorresponding electronic function; when the finger stops pressing , the upper circuit contact returns to the original point. At this time, the circuit is disconnected and the circuit loop sends out a signal. Membrane switches complete a complete circuit workflow. The number of membrane buttons is designed according to the requirements of the connected device. Each time a button is pressed, a circuit workflow is completed. Each button and device instrument corresponds to a different electronic function.

Membrane switches have good structure, beautiful appearance, can be customized, have good sealing performance, are waterproof,simple operation and easy installation and have long service life. Widely used in electronic communications, electronic instruments, industrial control equipment, medical equipment, automotive industry equipment, human-machine interface equipment, household appliances and other fields.

For more information about membrane switches visit: www.jcftechnology.com