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    • 3. 发明授权
    • Piezoelectric device
    • 压电元件
    • US07592741B2
    • 2009-09-22
    • US11935661
    • 2007-11-06
    • Hideo TanayaKatsumi KurodaKazuya Hirasawa
    • Hideo TanayaKatsumi KurodaKazuya Hirasawa
    • H03H9/145H01L41/04
    • H03H9/1035H03H9/13H03H9/19
    • A piezoelectric device comprises: a piezoelectric resonator element having a base, a plurality of oscillating arms paralleled each other and extended from the base, a plurality of supporting arms extended from the base and in parallel with the side surface of each of the plurality of oscillating arms so as to sandwich the plurality of oscillating arms, a groove formed in at least one of a front surface and a back surface of each of the plurality of oscillating arms and an end weight layer formed in at least one of the front surface and the back surface near to an end portion of each of the plurality of oscillating arms; a package storing the piezoelectric resonator element within a containable recess and being air-tightly sealed by a lid; a bottom surface recess rimmed in the bottom surface of the containable recess; and a connecting pad formed as a protrusion in an region that is connected with the plurality of supporting arms in the bottom surface of the containable recess. A part of the plurality of supporting arms is connected to the connecting pad via a joint portion. The bottom surface recess includes an edge in a region of the bottom surface of the containable recess opposing a part of the plurality of oscillating arms between the groove and the end weight layer, and the edge rims the bottom surface recess so as to allocate a part of the bottom surface of the containable recess opposing the end weight layer inside of the edge.
    • 一种压电装置,包括:压电谐振元件,具有底座,彼此并联并从基座延伸的多个振荡臂,从所述基座延伸并与所述多个摆动中的每一个的侧面平行的多个支撑臂 臂以便夹持多个摆动臂,形成在多个摆动臂中的每一个的前表面和后表面中的至少一个中的凹槽和形成在前表面和 靠近所述多个摆动臂中的每一个的端部的后表面; 将压电谐振元件储存在可容纳的凹部内并由盖子气密密封的封装; 在所述容纳凹部的底面中的底面凹部; 以及连接垫,其在与所述容纳凹部的底面中的所述多个支撑臂连接的区域中形成为突起。 所述多个支撑臂的一部分经由接合部连接到所述连接垫。 所述底面凹部包括在所述容纳凹部的底表面的与所述凹槽和所述端部配重层之间的所述多个摆动臂的一部分相对的区域中的边缘,并且所述边缘限定所述底部表面凹部,以便分配一部分 位于与边缘的内侧端部配重层相对的容纳凹部的底面。
    • 8. 发明申请
    • PIEZOELECTRIC DEVICE
    • 压电器件
    • US20080106172A1
    • 2008-05-08
    • US11935661
    • 2007-11-06
    • Hideo TANAYAKatsumi KURODAKazuya HIRASAWA
    • Hideo TANAYAKatsumi KURODAKazuya HIRASAWA
    • H01L41/053H03H9/10H03H9/17
    • H03H9/1035H03H9/13H03H9/19
    • A piezoelectric device comprises: a piezoelectric resonator element having a base, a plurality of oscillating arms paralleled each other and extended from the base, a plurality of supporting arms extended from the base and in parallel with the side surface of each of the plurality of oscillating arms so as to sandwich the plurality of oscillating arms, a groove formed in at least one of a front surface and a back surface of each of the plurality of oscillating arms and an end weight layer formed in at least one of the front surface and the back surface near to an end portion of each of the plurality of oscillating arms; a package storing the piezoelectric resonator element within a containable recess and being air-tightly sealed by a lid; a bottom surface recess rimmed in the bottom surface of the containable recess; and a connecting pad formed as a protrusion in an region that is connected with the plurality of supporting arms in the bottom surface of the containable recess. A part of the plurality of supporting arms is connected to the connecting pad via a joint portion. The bottom surface recess includes an edge in a region of the bottom surface of the containable recess opposing a part of the plurality of oscillating arms between the groove and the end weight layer, and the edge rims the bottom surface recess so as to allocate a part of the bottom surface of the containable recess opposing the end weight layer inside of the edge.
    • 一种压电装置,包括:压电谐振元件,具有底座,彼此并联并从基座延伸的多个振荡臂,从所述基座延伸并与所述多个摆动中的每一个的侧面平行的多个支撑臂 臂以便夹持多个摆动臂,形成在多个摆动臂中的每一个的前表面和后表面中的至少一个中的凹槽和形成在前表面和 靠近所述多个摆动臂中的每一个的端部的后表面; 将压电谐振元件储存在可容纳的凹部内并由盖子气密密封的封装; 在所述容纳凹部的底面中的底面凹部; 以及连接垫,其在与所述容纳凹部的底面中的所述多个支撑臂连接的区域中形成为突起。 所述多个支撑臂的一部分经由接合部连接到所述连接垫。 所述底面凹部包括在所述容纳凹部的底表面的与所述凹槽和所述端部配重层之间的所述多个摆动臂的一部分相对的区域中的边缘,并且所述边缘限定所述底部表面凹部,以便分配一部分 位于与边缘的内侧端部配重层相对的容纳凹部的底面。