What is the protrusion of the membrane switch button?

The bulge of membrane switch key is to press the key body area on the facial mask layer with a drum press.

The protrusion of the membrane switch button has strict temperature and pressure requirements, depending on the natural and concave convex characteristics of the membrane switch material. Its basic form is as follows:

The frame line is raised. Used when the edge of the switch is raised.

Flat protrusion. When the entire switch is above the surface of the panel.

The ball is convex. Used for processing spherical buttons.

Frame line protrusion with ball protrusion. Not commonly used.

The protruding button of the membrane switch has the following advantages:

Enhance the decorative effect of the appearance of the membrane switch.

Make the operator more sensitive to touch.

Accurately determine the range of the key body.

Improve recognition speed.