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    • 4. 发明授权
    • Piezoelectric component
    • 压电元件
    • US5925974A
    • 1999-07-20
    • US846287
    • 1997-04-30
    • Takashi YamamotoShigemasa KusabirakiToshihiko UnamiHirohide YoshinoTetsuo Takeshima
    • Takashi YamamotoShigemasa KusabirakiToshihiko UnamiHirohide YoshinoTetsuo Takeshima
    • H03H9/17H03H9/05H03H9/58H03H9/60H01L41/08
    • H03H9/178H03H9/0514H03H9/605
    • A piezoelectric component has a substantially stronger connection between a substrate and a piezoelectric resonator and has improved electrical reliability. The piezoelectric resonator includes an insulating substrate having pattern electrodes disposed therein. A piezoelectric resonator capable of vibrating, for example in a longitudinal vibration mode is mounted on the substrate. A supporting member prepared separately as a pre-formed material member is bonded to the piezoelectric resonator at a nodal point of the resonator. A first flat surface of the supporting member is bonded to a vibrating electrode on the piezoelectric resonator by a first bonding and supporting material while a second flat surface of the supporting member is bonded to one of the pattern electrodes on the substrate by a second bonding and supporting material. The length of bonding between the piezoelectric resonator and the first bonding and supporting material along the longitudinal direction of the piezoelectric resonator is preferably set to about 25% or less of the overall length of the piezoelectric resonator. A central portion of another vibrating electrode of the piezoelectric resonator is connected to the other pattern electrode on the substrate by a conductor wire.
    • 压电元件在基板和压电谐振器之间具有更强的连接,并具有改善的电可靠性。 压电谐振器包括其中布置有图案电极的绝缘基板。 能够振动的压电谐振器例如以纵向振动模式安装在基板上。 作为预成型材料部件单独制备的支撑部件在谐振器的节点处接合到压电谐振器。 支撑构件的第一平坦表面通过第一接合和支撑材料结合到压电谐振器上的振动电极,而支撑构件的第二平坦表面通过第二接合结合到衬底上的一个图案电极,并且 配套材料 沿着压电谐振器的纵向方向的压电谐振器与第一接合和支撑材料之间的键合长度优选设定为压电谐振器的总长度的约25%或更小。 压电谐振器的另一个振动电极的中心部分通过导线连接到衬底上的另一个图案电极。
    • 7. 发明授权
    • Method of manufacturing piezoelectric resonator
    • 制造压电谐振器的方法
    • US06223406B1
    • 2001-05-01
    • US09159906
    • 1998-09-24
    • Tetsuo TakeshimaTakeshi YamazakiShigemasa KusabirakiYutaka Kawai
    • Tetsuo TakeshimaTakeshi YamazakiShigemasa KusabirakiYutaka Kawai
    • H04R1700
    • H03H3/02Y10T29/42
    • A method of manufacturing a resonance element includes the steps of preparing a multilayered body having a plurality of piezoelectric layers and a plurality of inner electrodes laminated to each other, forming an insulating film on one surface of the multilayered body at exposed portions of the inner electrodes, the insulating film having a plurality of openings constituting substantially parallel rows which are substantially parallel to the laminating direction of the multilayered body, forming an outer electrode on substantially the entire surface on which the insulating film is formed, forming a plurality of grooves on the surface on which the outer electrode is formed and cutting the multilayered body substantially parallel to the grooves, wherein a first group of the openings in a first of the rows are disposed on every alternate exposed portion of the internal electrodes, and a second group of remaining openings in a second row adjacent to the first row are disposed on each of the remaining alternate exposed portions of the internal electrodes, the first and second row are separated from each other by a predetermined distance and the groove is formed between the first and second rows.
    • 一种制造谐振元件的方法包括以下步骤:制备具有彼此层压的多个压电层和多个内电极的多层体,在该多层体的一部分表面上形成绝缘膜, 所述绝缘膜具有大致平行的多个开口,所述多个开口基本上平行于所述多层体的层叠方向,在形成有所述绝缘膜的整个表面上形成外部电极,在所述绝缘膜上形成多个凹槽 表面,其上形成有外电极,并且切割多层体基本上平行于凹槽,其中第一行中的第一组开口设置在内部电极的每个交替暴露部分上,第二组剩余部分 与第一行相邻的第二行中的开口设置在第一行的每一个上 e内部电极的剩余交替暴露部分,第一和第二列彼此分开预定距离,并且在第一行和第二行之间形成凹槽。
    • 8. 发明申请
    • Piezoelectric device
    • 压电元件
    • US20050023936A1
    • 2005-02-03
    • US10849449
    • 2004-05-20
    • Tsuyoshi FutamataShigemasa Kusabiraki
    • Tsuyoshi FutamataShigemasa Kusabiraki
    • H01L41/053H01L41/083H03H9/05H03H9/205
    • H03H9/178H01L41/053H01L41/0833
    • A piezoelectric device includes an elongated piezoelectric element including first internal electrodes and second internal electrodes extending along a direction that is substantially perpendicular to the length of the piezoelectric element and being arranged alternately along the length of the piezoelectric element, and first and second external electrodes provided on the bottom surface of the piezoelectric element. Bending vibration of the piezoelectric element occurs in a direction that is substantially perpendicular to the length of the piezoelectric element when an alternating voltage is applied between the first and second external electrodes. The piezoelectric device also includes supports that are attached to the bottom surface of the piezoelectric element at the upper ends thereof and bonded to a mounting board at the lower ends thereof, thereby supporting the piezoelectric element. The supports are made of a resin that does not have a glass transition point in an operating temperature range of the piezoelectric device.
    • 一种压电装置,包括:细长的压电元件,包括第一内部电极和第二内部电极,所述第二内部电极沿着与所述压电元件的长度大致垂直的方向延伸并且沿着所述压电元件的长度交替布置;以及第一和第二外部电极, 在压电元件的底表面上。 当在第一和第二外部电极之间施加交流电压时,压电元件的弯曲振动发生在基本上垂直于压电元件的长度的方向上。 压电装置还包括在其上端附接到压电元件的底表面并且在其下端处接合到安装板的支撑件,从而支撑压电元件。 支撑体由在压电元件的工作温度范围内不具有玻璃化转变点的树脂构成。
    • 10. 发明授权
    • Piezoelectric sounding body
    • 压电式发声体
    • US07531946B2
    • 2009-05-12
    • US11760873
    • 2007-06-11
    • Masakazu YamauchiShigemasa Kusabiraki
    • Masakazu YamauchiShigemasa Kusabiraki
    • H01L41/053
    • H04R17/00G10K9/122
    • A piezoelectric sounding body in which a stable high sound pressure can be obtained over a wide frequency band. The piezoelectric sounding body includes a resin film, a piezoelectric vibrating plate attached to the center of one surface of the resin film with a tackiness layer, and a case supporting the periphery of the resin film. The piezoelectric vibrating plate is formed in a rectangular shape. An adhesive is applied between the middle of each long side of the piezoelectric vibrating plate and the resin film, along each long side of the piezoelectric vibrating plate. The separation between the piezoelectric vibrating plate and the tackiness layer can be prevented during sounding, and a stable sound pressure can be obtained for a prolonged period.
    • 一种压电发声体,其能够在宽频带上获得稳定的高声压。 压电发声体包括树脂膜,粘附在树脂膜的一个表面的中心的压电振动板,以及支撑树脂膜周边的壳体。 压电振动板形成为矩形。 在压电振动板的每个长边的中间和粘合剂之间沿着压电振动板的每个长边施加粘合剂。 在发声期间可以防止压电振动板与粘合层之间的分离,并且可以长时间获得稳定的声压。