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Membrane switch is a multilayered switch device that through touch activated to make or break the electrical connection of a particular switch element. It have become popular for use in industrial controls, home appliances, office equipment and automotive applications.
The ASTM subcommittee on Membrane Switches defines a membrane switch as: "A momentary switch device in which at least one contact is on, or made of, a flexible substrate"
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The features of a membrane switch:
1. Direct (Ohmic) Contact: the poles of the switch must make physical contact, i.e. can not be non-contact type like capacitive, ferrite core, or hall effect.
2. Momentary Action: Upon release, the poles immediately separate as the flexing membrane returns to its original position.
3. Low Voltage Application: A membrane switch is designed to be used in low voltage, DC logic-level-signal, applications.
4. Membrane Layer: A thin pliable layer and carries one pole, both poles or that flexes during switch operation used to short both switch poles together.
5. Static Layer: Does not flex during switch operation but carries one pole, both poles or used to short both switch poles together.
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Tortai designs and manufactures a complete line of custom membrane switches. Like all our products, we produce membrane switches with the functional and graphic options required for demanding markets and applications. With our wide variety of design options, you can tailor your switch for your unique applications.
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