Membrane Touch Switches: What Are They And What Do They Do?

- Jun 03, 2018 -

Membrane Touch Switches: What are They and What do They do?

Definition of Membrane Touch Switches

Membrane touch switches are sometimes referred to as membrane switches or touch switches. Generally, a membrane touch switch is a momentary electrical on/off switch for activating and de-activating a circuit. Membrane touch switches are thought to have momentary action because they operate under conditions of normally open, push to close, and immediate opening. This means that the switch must be pressed, either with an actuator or with a finger, so that its two poles make direct contact to close the circuit. When the membrane touch switch is released, the poles immediately separate and the switch returns to its original open state. 


Membrane touch switches are manufactured by printing silver or carbon ink onto heat-stabilized polyester film. An overlay is applied to the first surface of the switch as the graphic interface. Because these top substrates are made from thin, pliable materials, they are referred to as “membranes” or “graphic overlay films.” Membrane touch switches are used in a variety of industries, ranging from medical to aerospace applications to consumer markets. They also may be used in industrial control systems. Often, membrane touch switches are used in appliance switches, computer keyboards, touch-sensitive toys, and phones. Membrane touch switches are becoming the norm in manufacturing and engineering industries because they enhance the aesthetics of human-machine interfaces while costing less and being more durable than other types of switches.

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The Importance of a Quality Membrane Switch

When it comes to user interfaces, membrane switch keypad is a term worth familiarizing yourself with. These highly useful and versatile tools can go a long way in making your life much simpler and giving you the ability to communicate with other devices with ease via your new membrane keypad.

Thanks to a high-quality and well-designed membrane switch, many tasks can become much simpler than ever before and are literally available at your fingertips. If you have decided that a membrane switch is right for you, then it’s important to find a company that you can trust to provide you with top of the line quality and state-of-the-art technology.


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