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Here are some helpful search terms to use in research of the membrane switch industry,
Membrane switch panels
Tactile membrane switch
2-shot molding
Adhesive Back lighting
Backlighting close tolerance printing
Conductive silver control panels
Discrete switches
Domes
El lamps backlighting
Fiber optic lamps
Hybrid keypads
Input devices
Interface products
Keyboard
Hybrid keyboards
Hybrid keypads
Hybrid keyswitches
Membrane keyboards
Membrane keypads
Membrane switches
Membrane keyswitches
Membrane metal domes
Membrane poly domes
Membrane polyester domes
Membrane polymer thick film
Membrane pressure sensative adhesive
LED’s switches
Membrane tactile domes
Pressure sensitive adhesive acrylic adhesives
Polycarbonate lexan
Conductive rubber technology
Touch screens
Capacitive touch screen
Resistive touch screens
Overlays
Graphic overlays
Spacer Dome
Printed resistors
Embedded LED’s
Keyswitches
Rugidized
Splashproof Emi/rfi ESD
Tactile domes
Tactile switches
Tactile graphic
Printed resistors
Surface mount
El lamps
Fiber optic lamps
Stock switches
Touchscreens
Touch screen keyboard
Vandal resistant
Graphic Overlay
Overlay Graphic
Circuit Conductive |
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FLEX Membrane Introduction
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Of the five categories of membrane switches the most common is the Flex Membrane Design.
This construction incorporates the conventional thin, flexible, polyester or polyimide circuit layer. This allows efficient manufacturing producing many circuit images rapidly using screen printing or etching processes.
Even though the entire switch package is made from flexible materials there are many options available.
The keys can be made to provide either a tactile sensation or no sensation at all (like on most microwave ovens). Metal domes or formed polyester domes are used to provide a tactile response to the keys.
Backlighting can be achieved as well by laminating or inserting discrete LEDs or illuminating large areas using fiber optics or electroluminescents.
Decoration can be a conventional polyester or polycarbonate screen printed layer or elastomer or plastic keys to satisfy a more 3D approach to the graphic layer.
Alan Burk
editor@membraneswitchnews.com
425-889-9417
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