If you wanna more strong and clear tactile feedback, we can embedded metal domes into the membrane switches. At present, the metal-dome-button has already been used in a great deal of machine, because it has very steady force and clear click. Its life-span can reach 1 million times at most.
Characteristic
1. Have strong and clear tactile feedback 2. Have strong environmental adaptive capacity 3. The effective area is largemoderate