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    • 24. 发明授权
    • Composite-material vibrating device
    • 复合材料振动装置
    • US06774729B2
    • 2004-08-10
    • US10434229
    • 2003-05-09
    • Hiroaki KaidaJiro InoueToshio Nishimura
    • Hiroaki KaidaJiro InoueToshio Nishimura
    • H03H956
    • H03H9/0561H03H9/1035H03H9/177
    • A composite-material vibrating device includes a vibrating member, at least three reflective layers, and holding members. The vibrating member is made of material having a first acoustic impedance Z1 and that functions as a vibration generating source. The at least three reflective layers are made of material having a second acoustic impedance Z2 that is smaller than the first acoustic impedance Z1, and are coupled to respective outer surfaces located along three directions of the vibrating member. The holding members are made of a material having a third acoustic impedance Z3 that is greater than the second acoustic impedance Z2 and that are coupled to surfaces opposite to the surfaces, coupled to the vibrating member, of the reflective layers. Vibrations that have propagated from the vibrating member to the reflective layers are reflected at interfaces between the reflective layers and the corresponding holding members.
    • 复合材料振动装置包括振动构件,至少三个反射层和保持构件。 振动构件由具有第一声阻抗Z1并用作振动产生源的材料制成。 所述至少三个反射层由具有小于第一声阻抗Z1的第二声阻抗Z2的材料制成,并且被耦合到沿着振动构件的三个方向定位的相应外表面。 保持构件由具有大于第二声阻抗Z2的第三声阻抗Z3的材料制成,并且耦合到耦合到反射层的与振动构件的表面相反的表面。 从振动构件向反射层传播的振动在反射层和相应的保持构件之间的界面处被反射。
    • 25. 发明授权
    • Thickness extensional vibration mode piezoelectric resonator
    • 厚度拉伸振动模式压电谐振器
    • US06232698B1
    • 2001-05-15
    • US09089562
    • 1998-06-03
    • Hiroaki KaidaMitsuhiro YamadaJiro Inoue
    • Hiroaki KaidaMitsuhiro YamadaJiro Inoue
    • H01L4108
    • H03H9/178H03H9/0207
    • An energy-trap thickness extensional vibration mode piezoelectric resonator uses a harmonic of a thickness extensional vibration mode and effectively suppresses generation of unwanted spurious vibrations. The energy-trap thickness extensional vibration mode piezoelectric resonator includes a piezoelectric strip, first and second excitation electrodes located on opposite surfaces of the piezoelectric strip, and an internal electrode disposed inside the piezoelectric strip. The first and second excitation electrodes are located on opposite ends of the piezoelectric strip in an overlapping arrangement. The internal electrode is located opposite to the first and second excitation electrodes. The first and second excitation electrodes overlap each other over a length of l such that l/d is not greater than about 6, where d=t/n.
    • 能量陷阱厚度延伸振动模式压电谐振器使用厚度延伸振动模式的谐波,并有效地抑制不需要的寄生振动的产生。 能量阱厚度延伸振动模式压电谐振器包括压电条,位于压电条的相对表面上的第一和第二激励电极以及设置在压电条内的内部电极。 第一和第二激励电极以重叠布置位于压电条的相对端上。 内部电极与第一和第二激励电极相对。 第一和第二激发电极在l的长度上彼此重叠,使得l / d不大于约6,其中d = t / n。
    • 26. 发明授权
    • Method of manufacturing a piezoelectric resonator
    • 制造压电谐振器的方法
    • US6014799A
    • 2000-01-18
    • US264096
    • 1999-03-08
    • Hiroaki Kaida
    • Hiroaki Kaida
    • H03H3/02H03H3/04H03H9/13H03H9/17H01L41/22
    • H03H3/04H03H9/177H03H9/178H03H2003/0428Y10T29/42
    • A piezoelectric resonator is manufactured by providing a first mother substrate in which first strip electrodes are formed such that they extend in a second direction that is substantially perpendicular to a first direction, wherein a direction of a line extending between an excitation electrode and a lead electrode is a first direction. A second mother substrate is produced by cutting the first mother substrate at a cutting position such that the length of the first strip electrodes as measured in the first direction achieves an accurate and ideal electrode overlapping length for a target resonance frequency. The second strip electrodes are formed on the resultant second mother substrate using a mask and then the second mother substrate is cut thereafter.
    • 通过提供第一母体基板制造压电谐振器,其中形成有第一条状电极,使得它们在基本上垂直于第一方向的第二方向上延伸,其中在激励电极和引线电极之间延伸的线的方向 是第一个方向。 通过在切割位置切割第一母基板,使得在第一方向上测量的第一条状电极的长度实现目标共振频率的准确且理想的电极重叠长度来制造第二母体基板。 使用掩模在所得到的第二母基板上形成第二带状电极,然后切割第二母体基板。
    • 27. 发明授权
    • Chip-type piezoelectric resonance component
    • 片式压电谐振元件
    • US5701048A
    • 1997-12-23
    • US506262
    • 1995-07-24
    • Hiroaki Kaida
    • Hiroaki Kaida
    • H03H9/05H01L41/08
    • H03H9/1035H03H9/0595
    • A chip-type piezoelectric resonance component is prepared by bonding spacer plates to side portions of an energy trap piezoelectric resonator. The resonator includes a piezoelectric resonance unit coupled with dynamic dampers vibrating for suppressing vibration as it is propagated, with the vibration being suppressed through a phenomenon of the dynamic dampers. Case members are pasted onto upper and lower portions of an element plate through sheet-type adhesives which define spaces for allowing vibration and prevent vibration of the vibrating portions from being hindered.
    • 芯片式压电谐振元件是通过将隔板连接到能量陷阱压电谐振器的侧部来制备的。 谐振器包括压电谐振单元,其与动态阻尼器耦合,振动被抑制在传播时的振动,通过动态阻尼器的现象来抑制振动。 壳体构件通过片状粘合剂粘贴到元件板的上部和下部,该粘合剂限定了用于允许振动的空间,并且防止振动部分的振动受到阻碍。