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Design Manual

Applications

Overview

Non Tactile Membrane Switch

Tactile
Membrane Switch

Tactile Membrane
Switch with LED

Customising your
Keypad after
Manufacture

Designing for
User Feedback

Connecting the Tail

Environmental Considerations

Technical Specifications

Artwork

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Tactile Membrane Switch

The tactile membrane switch has:

A. A graphic overlay, normally polyester, (Typical Thickness: 0.2mm).

C. The spacer, to allow selective making of the circuit, (Typical Thickness: 0.3mm).

D. The lower circuit,  with metal domes inserted, (Typical Thickness: 0.2mm).

E. Adhesive layer to fix the label onto the product, (Typical Thickness: 0.1mm).

This then gives a typical thickness of between 0.8mm and 1.2 mmfor a fully finished tactile keypad.

The dome flexes and gives when pressed, both making the circuit, and also giving the tactile effect.

(We can also produce tactile switches with a mylar dome, which incorporates the layer structure featured in the non tactile membrane switch, and an embossed dome for the touch feedback).