In this type of keyboard, the graphic layer is thermoformed in the center of the keys to get hemispherical caps: these, in addition to determining the closure of the electrical contact underlying, make it intuitive using the keyboard.
The effect of tactile capĀ remains soft while closing the button and at the same time ensures the sensation of bounce. Ideal for applications where tactile sensation is associated with a low power implementation, the thermoformed air capĀ is also very durable over time.