Key switch with click elastic member placed between key top and switch element

摘要

There will be provided a key switch in which the electrically-conductive pattern of the switch element is not oxidized, nor is patterning of the electrically-conductive pattern restricted. A key switch provided with: a key top 1 supported so as to be able to move up and down; a click elastic member 8 for biasing the key top 1 upwardly; and a switch element 7 disposed below the click elastic member 8, for performing a switching operation through the click elastic member 8 with an up-and-down operation of the key top 1, wherein the click elastic member 8 has a dome-shaped buckling portion 8b opened toward the key top 1 side, and a barrel-shaped pressing portion 8c provided in a lower part of the buckling portion 8b, and opened toward the switch element 7 side.