Use membrane switch keypad

Membrane switch is composed of multi-layer structure assembly, beautiful appearance, long life, simple structure and other characteristics, so that membrane switch is widely used in all walks of life, from home appliance industry to high-tech products are inseparable from the control of membrane switch, the following JCF technology Manufacturers analyze the application of membrane keypads.The membrane switch keypaed is mainly composed of a thin graphic membrane panel, a membrane barrier adhesive, and various layers of a circuit board.

Membrane switch principle:
When the membrane keyboard layer is not pressed, the barrier layer has a blocking effect on the circuit of the membrane panel switch. When the membrane layer is pressed, the upper circuit is pressed at the same time and contacts the lower circuit to make the circuit conduction. The circuit sends signals to externally connected instruments and equipment to complete their corresponding functions.

Requirements for the use of membrane switches:
1. Good dimensional stability: It is required to make the film of the panel, and the size cannot be changed within a certain temperature range (generally -40°C~55°C).
2. Good appearance: the surface of the membrane used to make the membrane panel is flat, without damage, scratches, sundries, etc.
3. Elasticity requirements: The panel layer is required to have a certain resilience performance.
4. Good weather resistance: The graphic layer of the panel is the surface layer of the membrane switch exposed to the natural environment. The raw material of the panel will not be deformed, cracked, aged and discolored under certain natural environmental conditions.
5. Better chemical resistance: The membrane button switch layer will be exposed to different chemicals.

Finally, the appearance of the equipment that needs to be installed is flat, rust-free, and can be assembled after cleaning.

More information visit:www.jcftechnology.com