Tactile feedback in a membrane switch is actually an enhancement, which provides the user feedback when they press the key location. Typically, the switch consists of a top and bottom layer of polyester with a tactile actuator that when pressed, momentarily completes the circuit while providing the user a degree of response based on the switch`s construction.
Characteristic
1. Have long performance life 2. Provide users tactile feedback 3. The cost performance is good