The customer frequently requires that the press on a key will be followed by some effect: visual, sound, or tactile.Keyboards with tactile effect are widespread. The keys with tactile effect have a fast speed and pressing followed by a typical click.The tactile effect in membrane keyboards can be suppled by two methods: with the help of Polydome keys forming, in simple case, in a shape of a "dome" with the help of Metal dome membrane from stainless steel Both method guarantee high reliability.
Pressing a key on a flat keyboard is imperceptible because of the low speed. |