| 摘要 |
PROBLEM TO BE SOLVED: To obtain the suitable contact separation force excellent in a high frequency characteristic with a simple and small-size structure that can be easily manufactured with low cost. SOLUTION: Signal lines 5a, 5b formed on a fixed substrate 1 are arranged on the same line. A movable substrate 2 is elastically supported on the fixed substrate 1 through a beam part 11 arranged in two places of point symmetry positions by using a movable contact 16 as a center point. The part facing to the signal lines 5a, 5b is removed from the movable substrate 2. The movable contact is elastically supported on two places orthogonal to the line where the signal lines 5a, 5b are arranged as well as not facing to the signal lines 5a, 5b. A pair of projections 17 are formed in point symmetry to the movable contact 16 as a center on a position attaching to either of the substrates 1, 2 that faces first.
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