Introduction

Poly dome (membrane key switch) is also known as thin film conductive film. It is a kind of button with good touch feeling formed by printing a layer of conductive paste on the film sheet (PET) and forming the contacts by heat pressing. It can be firmly adhered to the silica gel button and used as a switch with excellent hand feeling.

Working principle: Polydome is located above the conductive part on the PCB. When the button is pressed, the center of the contact is concave, and the conductive paste printed on the contact contacts the circuit on the PCB, thus forming a loop, and the entire product can work normally .

Poly dome is more stable than conductive silicone, has a longer service life, and has a better touch! It can be adjusted according to the actual needs of customers: the elasticity value and stroke value, the adjustable range is larger than that of the Metal dome product, and the product assembly is also more Convenience!

Technical Parameters

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