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    • 8. 发明申请
    • FLEXURAL RESONATOR ELEMENT, RESONATOR, OSCILLATOR, AND ELECTRONIC DEVICE
    • 柔性谐振器元件,谐振器,振荡器和电子器件
    • US20120007684A1
    • 2012-01-12
    • US13176192
    • 2011-07-05
    • Akinori YAMADA
    • Akinori YAMADA
    • H03B5/30
    • H03H9/21H03H9/02102H03H9/0519H03H9/1021
    • A crystal resonator element include a pair of resonating arms extending from a base, the resonating arms includes a groove, a slope portion is formed in a connection portion of the resonating arms to the base so that a distance between the groove and the outer edge of each of the resonating arms increases as it approaches the base from the resonating arms, and a non-electrode region which extends over a range of areas from a connection portion connected to a first side surface formed along the longitudinal direction of the groove and a connection portion connected to a second side surface facing the first side surface with a bottom portion disposed there between and in which excitation electrodes are not formed is provided in the groove in at least a part of the bottom portion positioned in the slope portion.
    • 一种晶体振子元件包括从基座延伸的一对谐振臂,所述谐振臂包括凹槽,所述谐振臂与所述基座的连接部分中形成斜面部分,使得所述凹槽与所述外边缘之间的距离为 每个谐振臂随着从谐振臂接近基极而增加,并且从连接到沿着槽的纵向方向形成的第一侧表面的连接部分的区域范围延伸的非电极区域和连接 连接到面向第一侧表面的第二侧表面的部分设置在位于其中并且其中未形成激励电极的底部,并且位于位于倾斜部分中的底部的至少一部分中的凹槽中。
    • 9. 发明申请
    • FLEXURAL VIBRATION PIECE AND OSCILLATOR USING THE SAME
    • 使用它的柔性振动片和振动器
    • US20100244989A1
    • 2010-09-30
    • US12729759
    • 2010-03-23
    • Makoto FURUHATAAkinori YAMADAYuji HAMAYAMA
    • Makoto FURUHATAAkinori YAMADAYuji HAMAYAMA
    • H03H9/24
    • H03H9/215
    • A flexural vibration piece includes: a flexural vibrator that has a first region on which a compressive stress or a tensile stress acts due to vibration and a second region having a relationship in which a tensile stress acts thereon when a compressive stress acts on the first region and a compressive stress acts thereon when a tensile stress acts on the first region, and performs flexural vibration in a first plane; and a heat conduction path, between the first region and the second region, that is formed of a material having a thermal conductivity higher than that of the flexural vibrator and thermally connects between the first region and the second region, wherein when m is the number of heat conduction paths, ρth is the thermal resistivity of the heat conduction path, ρv is the thermal resistivity of the flexural vibrator, tv is the thickness of the flexural vibrator in, a direction orthogonal to the first plane, and tth is the thickness of the heat conduction path, a relationship of tth≧(1/m)×tv×(ρth/ρv) is satisfied.
    • 弯曲振动片包括:弯曲振动器,其具有由于振动而产生压缩应力或拉伸应力的第一区域和当压缩应力作用在第一区域上时拉伸应力作用于其上的第二区域 并且当拉伸应力作用在第一区域上时施加压缩应力,并且在第一平面中进行弯曲振动; 以及在第一区域和第二区域之间的热传导路径,其由导热率高于弯曲振动器的热导率的材料形成,并且在第一区域和第二区域之间热连接,其中当m为数 的导热路径的热阻,r是导热路径的热阻,v是弯曲振动器的热阻,tv是弯曲振子的厚度,与第一平面垂直的方向,第t 是热传导路径的厚度,满足tth≥(1 / m)×tv×(&rgr; th /&rgr; v)的关系。
    • 10. 发明申请
    • CONTOUR RESONATOR
    • 轮廓共振器
    • US20080252178A1
    • 2008-10-16
    • US12099538
    • 2008-04-08
    • Akinori YAMADA
    • Akinori YAMADA
    • H03H9/19H01L41/047
    • H03H9/178H03H9/02023
    • A contour resonator at least includes a first vibrating substrate and a second vibrating substrate having main surfaces that face each other and are bonded. The contour resonator includes a first excitation electrode provided on a front main surface of the first vibrating substrate, a second excitation electrode provided on a back main surface of the second vibrating substrate, and a common intermediate excitation electrode provided at an interface between the first vibrating substrate and the second vibrating substrate. The first excitation electrode and the second excitation electrode are electrically connected to constitute a first terminal. The intermediate excitation electrode constitutes a second terminal. The first vibrating substrate and the second vibrating substrate perform a contour vibration in accordance with an excitation signal applied between the first terminal and the second terminal.
    • 轮廓谐振器至少包括第一振动衬底和具有彼此面对并且接合的主表面的第二振动衬底。 轮廓谐振器包括设置在第一振动衬底的前主表面上的第一激励电极,设置在第二振动衬底的后主表面上的第二激励电极和设置在第一振动衬底之间的界面处的公共中间激励电极 基板和第二振动基板。 第一激励电极和第二激励电极电连接以构成第一端子。 中间激励电极构成第二端子。 第一振动衬底和第二振动衬底根据施加在第一端子和第二端子之间的激励信号执行轮廓振动。