公开(公告)号：US08294337B2

公开(公告)日：2012-10-23

申请号：US12748714

申请日：2010-03-29

申请人： Hiroki Kawai ,  Makoto Furuhata ,  Akinori Yamada ,  Yuji Hamayama

发明人： Hiroki Kawai ,  Makoto Furuhata ,  Akinori Yamada ,  Yuji Hamayama

IPC分类号： H03H9/205

CPC分类号： H01L41/1132 ,  G01C19/5607 ,  H03H9/0547 ,  H03H9/1021 ,  H03H9/21

摘要： A flexural vibration piece includes a base, and a vibrating arms extending therefrom, each pair of vibrating arms has a first groove formed in the extension direction of the vibrating arm in one main surface following the direction in which the pair of vibrating arms are aligned, and a second groove formed side by side to the first groove in another main surface, the sum of the depths of the first and second groove portions is greater than the interval between the one main surface and the other main surface, and a mass portion is provided on each of the pair of vibrating arms, on the one main surface which is the opening side of the first grooves formed toward the outer sides opposite the inner sides on which the vibrating arms face each other.

摘要翻译： 弯曲振动片包括基座和从其延伸的振动臂，每对振动臂具有沿着所述一对振动臂对准的方向的一个主表面沿所述振动臂的延伸方向形成的第一凹槽， 和在另一个主表面上与第一槽并排形成的第二槽，第一和第二槽部的深度之和大于一个主表面与另一个主表面之间的间隔，质量部分为 设置在所述一对振动臂中的每一个上，在作为所述第一凹槽的开口侧的一个主表面上，所述第一凹槽朝向与所述振动臂彼此面对的内侧相反的外侧形成。

公开(公告)号：US08362854B2

公开(公告)日：2013-01-29

申请号：US12729759

申请日：2010-03-23

申请人： Makoto Furuhata ,  Akinori Yamada ,  Yuji Hamayama

发明人： Makoto Furuhata ,  Akinori Yamada ,  Yuji Hamayama

IPC分类号： H03H9/21 ,  H01L41/04

CPC分类号： H03H9/215

摘要： A flexural vibration piece including a vibrator having a first region on which a compressive stress or a tensile stress acts and a second region on which a tensile stress acts when a compressive stress acts on the first region and a compressive stress acts when a tensile stress acts on the first region, and performs flexural vibration in a first plane; and a heat conduction path formed of a material having a thermal conductivity higher than the vibrator and that thermally connects the regions, 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 vibrator, tv is the thickness of the 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.

摘要翻译： 一种弯曲振动片，包括具有作用于其上的压缩应力或拉伸应力的第一区域的振动器和当压缩应力作用在第一区域上时拉伸应力起作用的第二区域，并且当拉伸应力作用时，压缩应力作用 在第一区域上进行弯曲振动， 以及由导热率高于振动器的材料形成的热传导路径，并且热连接该区域，其中当m是热传导路径的数量时，热传导路径的热阻为＆rgr; v是振动器的热阻率，tv是振动器在与第一平面正交的方向上的厚度，tth是导热路径的厚度，tth≥（1 / m）×tv×（ ＆rgr; th /＆rgr; v）满足。

公开(公告)号：US08232707B2

公开(公告)日：2012-07-31

申请号：US12729481

申请日：2010-03-23

申请人： Makoto Furuhata ,  Takashi Yamazaki ,  Yuji Hamayama

发明人： Makoto Furuhata ,  Takashi Yamazaki ,  Yuji Hamayama

IPC分类号： H01L41/04

CPC分类号： H03H9/215 ,  H03H9/02102 ,  H03H9/02133

摘要： 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. The flexural vibration piece also includes a heat conduction path, in the vicinity of 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.

摘要翻译： 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， 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。 弯曲振动片还包括在第一区域和第二区域附近的导热路径，该热传导路径由导热率高于弯曲振动器的导热率的材料形成，并且在第一区域和第二区域之间热连接 地区。

公开(公告)号：US08405283B2

公开(公告)日：2013-03-26

申请号：US13534623

申请日：2012-06-27

申请人： Makoto Furuhata ,  Takashi Yamazaki ,  Yuji Hamayama

发明人： Makoto Furuhata ,  Takashi Yamazaki ,  Yuji Hamayama

IPC分类号： H01L41/04

CPC分类号： H03H9/215 ,  H03H9/02102 ,  H03H9/02133

摘要： 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. The flexural vibration piece also includes a heat conduction path, in the vicinity of 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.

摘要翻译： 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， 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。 弯曲振动片还包括在第一区域和第二区域附近的导热路径，该热传导路径由导热率高于弯曲振动器的导热率的材料形成，并且在第一区域和第二区域之间热连接 地区。