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    • 3. 发明授权
    • Stress-detecting element, sensor module, and electronic apparatus
    • 应力检测元件,传感器模块和电子设备
    • US08826748B2
    • 2014-09-09
    • US13480000
    • 2012-05-24
    • Tomoaki NakamuraTsutomu Nishiwaki
    • Tomoaki NakamuraTsutomu Nishiwaki
    • G01L1/00
    • G01L1/16G01L1/26G01L5/228
    • A stress-detecting element includes a support body, a support film, a first piezoelectric element, first and second elastic parts. The support body has an opening part with first and second rectilinear sections extending parallel to each other. The support film blocks off the opening part. The first piezoelectric element straddles the first rectilinear section from an interior area to an exterior area of the opening part as seen in plan view. The first elastic part straddles the first rectilinear section from the interior area to the exterior area of the opening part. The second elastic part straddles the second rectilinear section from the interior area to the exterior area of the opening part. The first and second elastic parts respectively have first and second elastic end sections disposed in the interior area of the opening part and spaced apart from each other.
    • 应力检测元件包括支撑体,支撑膜,第一压电元件,第一和第二弹性部件。 支撑体具有开口部分,第一和第二直线部分彼此平行延伸。 支撑膜阻挡开口部分。 如平面图所示,第一压电元件将第一直线段从内部区域跨越到开口部分的外部区域。 第一弹性部分将第一直线部分从内部区域跨越到开口部分的外部区域。 第二弹性部分将第二直线部分从内部区域跨越到开口部分的外部区域。 第一和第二弹性部分分别具有设置在开口部分的内部区域中并且彼此间隔开的第一和第二弹性端部。