In a certain force, what will change if the click feeling of metal dome gets greater? Yes, the return force will get smaller, the stroke of the metal dome needing higher, the height getting higher and the life getting shorter. So the click feeling should be controlled between 50% and 65% in the process of production. In this way, not only can ensure the good click feeling of the metal dome, but also can prolong its life.
Besides, the life of metal dome is also related to its height, thickness, process flow and the experience of the designers. In general, the thickness and the stroke is higher if the height of metal dome is higher. And meanwhile, the life of it will shorten.