| 摘要 |
PROBLEM TO BE SOLVED: To provide a piezoelectric component capable of making both securing mounting strength and solving an insertion loss failure compatible by managing the filling area of a low elastic material within a prescribed range. SOLUTION: Conductive supporting bodies 18 and 19 are fixed to a node part of one principal plane of a piezoelectric element 10 utilizing a length vibration mode and the bodies 18 and 19 of the element 10 are connected and fixed to the pattern electrodes 21 and 22 of a mounting substrate 20. A low elastic material 40 is filled in the gap between the element 10 and the substrate 20 in the range being narrower than the length of the element 10 with the bodies 18 and 19 as a center. In this case, the ratio of the filling width L1 of the material 40 to the length L of the element 10 is defined as 0.2<=L1/L<=0.45.
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