Quad Industries

Membrane switches

foil keyboard with integrated status LEDs BTH_Quad_27.jpgBTH_Quad_23_nw.jpgfoil keyboardBTH_Quad_35.jpgBTH_Quad_39.jpgBTH_Quad_28.jpgBTH_Quad_37B.jpg

Quad Industries provides a fully comprehensive range of customised membrane switches and foil keyboards for any specific market segment or application, such as medical, transport, communication, navigation,...


Thanks to our 25 years of experience in these different market segments, Quad sales representatives and engineers are able to scan any project for possible issues and environmental factors that could be of importance in the final implementation of your control panel.

foil keyboard foil keyboard with integrated LEDs foil keyboard with LED on separate layer and shielding layer

Excellent properties and benefits of our control panels:


  • Long-lasting: more than 4 (1) million actuations
  • Dust- & watertight (up to IP67), scratch- and chemically resistant
  • Minimal thickness (>0.6mm) and flexibility
  • Usability in all types of instruments in both industrial and consumer markets
  • Variable tactile response possibilities
  • Integration of SMD, LED and EMC components
  • Great backlighting possibilities through LED or electroluminescence.
  • Easy and rapid installation which reduces total cost of ownership
  • Cost-effective thanks to a unique production setup with production facilities in Quad Industries Belgium and in Quad Slovakia
  • Greatly exceed the quality requirements of the DIN 42115 standard
  • Choice between screen-printed and full colour printed front foil


Production of prototypes and small series of membrane switches is provided by Quad Belgium. Medium and high volumes of membrane switches are manufactured in Quad Slovakia.


To achieve the highest performance of our products, we use quality polyester materials and reliable acrylic adhesives. We apply innovative inks and coatings and we use long life metal domes.

Compatibility with used materials is guaranteed by years of R&D and feedback from our satisfied customers and certified suppliers. Amongst our preferred suppliers we count MacDermid Autotype, 3M, Henkel Acheson, Agfa Gevaert, Nicomatic.


Not only the right components, but also the right configuration is crucial for the manufacturing of a high quality membrane keypad. Check out an overview of some of the most commonly used configurations or other membrane switch options.

A very attractive and useful feature in membrane switches is the possibility to integrate LED illumination and LED or EL backlighting.

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