| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a push switch operated with a click feeling, which can obtain a good click feeling, and enables drip-proofing. <P>SOLUTION: In a recessed portion of a case 1 equipped with a center fixed contact 2 and an outside fixed contact 3 on a recessed portion inner bottom surface of an upper opening, a moving contact 6 made from an elastic metallic thin plate formed in an upward convex circular dome shape is stored. A protection sheet 11 provided with an adhesive on a lower surface, and made from an insulation film equipped with heat resistance such as PI resin, LCP resin, and PEEK resin is adhesively fixed on an upper surface of the case 1 to block the recessed portion. The protection sheet 11 is configured by a sheet provided with minute through-holes 12 which enables gas to pass through, but prevents liquid from passing through, at plural positions. <P>COPYRIGHT: (C)2012,JPO&INPIT |
