What are the design features of membrane switch keypads?

5 Features of Membrane Switches membrane keyboard

(1) Durability

The life of the membrane switch can generally reach more than one million times. The reason for such a long life is that the action of the switch is only realized by the vertical direction of the elastic membrane. Although the elastic film has been pressed millions of times, the pressing range is very small, only 0.1~0.3mm, and the rationality of material selection is far from reaching the limit of the film, so the film material can withstand more than one million times lifespan. On the other hand, the contacts of the switch are in vertical contact, and the amount of wear is very small; while the screen-printed contacts can form a sufficient thickness, and a layer of conductive carbon is printed on the silver paste contacts to achieve high resistance. Therefore, the life of the membrane switch keypad is dozens of times higher than that of the mechanical contact switch.

(2) Good sealing performance

Since the membrane switch is an integrally sealed structure, the contacts of the switch are not eroded by harmful gases and are not easily oxidized; it has the characteristics of waterproof and dustproof, so it is more suitable for use in various harsh environments.

(3) Small size, light weight and reliable structure

Membrane switches keyboard can be arranged and combined into membrane keyboards in design, with high setting density, and it is a sealed sheet structure composed of multiple layers of membranes. Completed, the total thickness is 1~3mm, so the volume is reduced, the mass is reduced, and the reliability is improved.

(4) Rich colors and beautiful appearance

According to the user's design concept, the membrane switch panel can reflect the individuality in the design of the color pattern, and the comprehensive characteristics of the beauty of the material, the beauty of the decoration and the beauty of the craftsmanship in the decorative effect.

(5) Reduce the supporting cost of equipment products

Traditional mechanical switches need to be welded or even fitted with fixed brackets during installation. The installation of the membrane switch is a sticker type, as long as the adhesive tape is peeled off, it can be firmly pasted on the surface of the whole machine, and its tail wire outlet is inserted into the socket of the rear circuit of the whole machine, and the circuit can be connected in an instant. It saves labor and materials, and reduces the supporting cost of the whole machine.

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