Contact Layers

Simplified membrane keyboards, where the lower part of the circuitry is replaced by a PCB. They represent a reliable and compact alternative to complete membrane switches.

Specific features:

Low tooling cost
High quality / Long lifetime
Available in small to large quantities
Low profile
Combines PCB and carrier-plate function
Functions as a switch under an elastomer keypad or plastic keys
Keys can be pushed with an actuator
Can be backlit by LEDs, EL or Fibre Optics
As a contact layer on a PCB