| 摘要 |
PROBLEM TO BE SOLVED: To provide a switch device 1 excellent in user-friendliness, in which a first switch part 6 turns on buy a second switch part 11 does not turn on in the case of first operation. SOLUTION: The switch device 1 comprises a first switch part 6 in which an upper electrode 3a and lower electrodes 5a and 5a arranged oppositely at a predetermined size of interval and a second switch part 11 having a metal dome 9 which is arranged oppositely under the first switch part 6 which expands at a predetermined height. In the first switch part 6, a first spacer 4 of a predetermine thickness (dimension A) is put to form a space between the upper electrode 3a and lower electrodes 5a and 5a, and in the second switch part, a second spacer 7 having a thickness dimension (dimension B) same as or more than the height of the expanded metal dome 9 and the thickness dimension of the second spacer 7 is made thicker than that of the first spacer 4. COPYRIGHT: (C)2007,JPO&INPIT
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