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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。
    • 6. 发明授权
    • Piezoelectric resonator utilizing bending vibrations and ladder-type filter including the same
    • 使用弯曲振动的压电谐振器和包括其的梯形滤波器
    • US06563400B2
    • 2003-05-13
    • US09962176
    • 2001-09-25
    • Yasuhiro ItasakaHirohide Yoshino
    • Yasuhiro ItasakaHirohide Yoshino
    • H03H954
    • H03H9/605H03H9/178
    • In a piezoelectric resonator utilizing bending vibrations, three or more electrode layers and two or more piezoelectric layers are alternately laminated, at least two layers of the piezoelectric layers are polarized in the thickness direction, first and second end surface electrodes are provided in the end surfaces of the laminated piezoelectric layers, and the electrode layers are connected to each other by using the first and second end surface electrodes such that, in at least one piezoelectric layer, an electric field is generated in the same direction as the polarization direction of the piezoelectric layer, and such that, in at least one of the other piezoelectric layers, an electric field is generated in a direction that is opposite to the polarization direction of the piezoelectric layer.
    • 在利用弯曲振动的压电谐振器中,三个或更多个电极层和两个或更多个压电层交替层叠,至少两层压电层在厚度方向上极化,第一和第二端面电极设置在端面 的层压压电体层,并且通过使用第一和第二端面电极使电极层彼此连接,使得在至少一个压电层中,在与压电体的极化方向相同的方向上产生电场 并且使得在至少一个其它压电层中,在与压电层的偏振方向相反的方向上产生电场。
    • 7. 发明授权
    • Piezoelectric component
    • 压电元件
    • US6057634A
    • 2000-05-02
    • US138970
    • 1998-08-24
    • Hirohide YoshinoYuji Fujita
    • Hirohide YoshinoYuji Fujita
    • H03H9/10H03H9/17H03H9/205H03H9/58H03H9/60H01L41/08
    • H03H9/605H03H9/0514H03H9/1014H03H9/178
    • A piezoelectric component includes a substrate on which pattern electrodes are disposed. A piezoelectric resonator is placed on the substrate. The piezoelectric resonator generates a longitudinal vibration and includes a base member. External electrodes are disposed at both sides of a groove formed on one side surface of the base member. At the center of the base member in the longitudinal direction, support members made from an electrically conductive material are provided on the external electrodes. The support members are bonded to the pattern electrodes of the substrate via electrically conductive adhesive. An insulating adhesive is disposed between the support members. As a result of this structure, the piezoelectric component has a sufficient bonding strength between the base member and the piezoelectric resonator and prevents a short circuit from occurring between the support members formed in the piezoelectric resonator.
    • 压电元件包括​​其上配置有图案电极的基板。 将压电谐振器放置在基板上。 压电谐振器产生纵向振动,并包括基座部件。 外部电极设置在形成在基底构件的一个侧表面上的凹槽的两侧。 在基部构件的纵向中心处,由外部电极设置由导电材料制成的支撑构件。 支撑构件通过导电粘合剂结合到基板的图形电极。 绝缘粘合剂设置在支撑构件之间。 作为这种结构的结果,压电元件在基底构件和压电谐振器之间具有足够的接合强度,并且防止在压电谐振器中形成的支撑构件之间发生短路。