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    • 4. 发明申请
    • PIEZOELECTRIC DEVICE, OSCILLATION TYPE GYRO SENSOR, ELECTRONIC DEVICE, AND METHOD OF MANUFACTURING PIEZOELECTRIC DEVICE
    • 压电元件,振荡型陀螺传感器,电子设备及制造压电元件的方法
    • US20080196498A1
    • 2008-08-21
    • US11960041
    • 2007-12-19
    • Koji SuzukiTeruo InagumaKazuo Takahashi
    • Koji SuzukiTeruo InagumaKazuo Takahashi
    • G01C19/56H01L41/22
    • G01C19/5642Y10T29/42
    • A piezoelectric device is disclosed. A substrate has an arm portion. A piezoelectric member is disposed on the substrate. A drive electrode oscillates the arm portion by a piezoelectric operation of the piezoelectric member. First and second detection electrodes detect a Coriolis force from the oscillating arm portion. A first lead electrode having a first area is disposed on the substrate and connected to the first detection electrode and connects the first detection electrode to the outside. A second lead electrode has a second area substantially the same as the first area. The second lead electrode is disposed on the substrate asymmetrical to the first lead electrode with respect to an axis in a longitudinal direction of the arm portion and connected to the second detection electrode. The second lead electrode connects the second detection electrode to the outside. A third lead electrode connects the drive electrode to the outside.
    • 公开了一种压电装置。 基板具有臂部。 压电构件设置在基板上。 驱动电极通过压电元件的压电操作来振荡臂部。 第一和第二检测电极从摆动臂部分检测科里奥利力。 具有第一区域的第一引线电极设置在基板上并连接到第一检测电极,并将第一检测电极连接到外部。 第二引线电极具有与第一区域基本相同的第二区域。 第二引线电极相对于臂部的长度方向的轴线配置在与第一引线电极不对称的基板上,并与第二检测电极连接。 第二引线电极将第二检测电极连接到外部。 第三引线电极将驱动电极连接到外部。
    • 10. 发明授权
    • Piezoelectric device, oscillation type gyro sensor, electronic device, and method of manufacturing piezoelectric device
    • 压电器件,振荡型陀螺仪传感器,电子器件及制造压电器件的方法
    • US08100011B2
    • 2012-01-24
    • US11960041
    • 2007-12-19
    • Koji SuzukiTeruo InagumaKazuo Takahashi
    • Koji SuzukiTeruo InagumaKazuo Takahashi
    • G01P9/04G01C19/56
    • G01C19/5642Y10T29/42
    • A piezoelectric device is disclosed. A substrate has an arm portion. A piezoelectric member is disposed on the substrate. A drive electrode oscillates the arm portion by a piezoelectric operation of the piezoelectric member. First and second detection electrodes detect a Coriolis force from the oscillating arm portion. A first lead electrode having a first area is disposed on the substrate and connected to the first detection electrode and connects the first detection electrode to the outside. A second lead electrode has a second area substantially the same as the first area. The second lead electrode is disposed on the substrate asymmetrical to the first lead electrode with respect to an axis in a longitudinal direction of the arm portion and connected to the second detection electrode. The second lead electrode connects the second detection electrode to the outside. A third lead electrode connects the drive electrode to the outside.
    • 公开了一种压电装置。 基板具有臂部。 压电构件设置在基板上。 驱动电极通过压电元件的压电操作来振荡臂部。 第一和第二检测电极从摆动臂部分检测科里奥利力。 具有第一区域的第一引线电极设置在基板上并连接到第一检测电极,并将第一检测电极连接到外部。 第二引线电极具有与第一区域基本相同的第二区域。 第二引线电极相对于臂部的长度方向的轴线配置在与第一引线电极不对称的基板上,并与第二检测电极连接。 第二引线电极将第二检测电极连接到外部。 第三引线电极将驱动电极连接到外部。