Water Meter PET Industrial Control Membrane Switches

Product Description

Custom Membrane Switches keypads & keyboards


  • Membrane switch (also known as a touch switch or membrane keypad) is constructed from flexible layers or "membranes"– thin like plastic wrap but made of polyester – sandwiched together like stacked sheets of paper.   These layers can interact with each other when stimulated from the top down.


  • The flexible, pressure-sensitive membranes have a circuit printed on them with conductive ink. 

      Common materials for this ink include copper, silver, or graphite.


  • The circuit can then be actuated by pressure from the upper layer, printed with a graphic to indicate where to touch. The interacting layers are sealed together with adhesive to create a self-contained, low-voltage circuit in a tiny package.


  • Compare to mechanical switch. The Membrane switch is with a traditional toggle switch but constructed from bulky metal or plastic parts.


  • Numerous functions of a touchscreen can be fulfilled by a membrane switch, but with far less circuitry and voltage requirements.


  • For many applications, membrane switches are the ideal solution.



Membrane Switch Layers

A typical membrane switch consists of below components layers:

  • Graphic Overlay

  • Overlay Adhesive

  • Dome Retainer / Upper Circuit Layer 

  •  Spacing Layer

  • Lower Circuit Layer

  •  Back Adhesive Layer 

  •  Rigid Support Layer 


Inquiry

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