black epoxy button membrane switch for door lock

Membrane Switch For Pc Keyboard

1. Non-tactile membrane switches: These switches do not provide any tactile feedback when pressed.
2. Tactile membrane switches: These switches provide a tactile feedback when pressed, which can be a click or a snap.
3. Metal dome membrane switches: These switches have a metal dome that provides a tactile feedback when pressed.
4. Polydome membrane switches: These switches have a polydome that provides a tactile feedback when pressed.

This is a Fiber Optic Lighting Membrane Switch with LED,button,backlit,waterproof,windows, total thickness is 1mm, structure as below:

Overlay PET(0.2mm)

LED and Button layer(0.15mm)

Circuit layer(0.2mm)

3M Adhesive(0.15mm)

Connection(2.54mm pitch Molex connector) 

Unique to membrane switches, they are the only switches that can utilize the benefits of flexible printed electronics. These circuits are generally printed on Polyethylene Terephthalate (PET) or Indium Tin Oxide (ITO) substrates. The ink used for printing the circuit is usually filled with copper, silver, or graphite and therefore conductive.

m Prototype Cafe Machine Membrane Switch