Laminated piezoelectric/electrostrictive device
    1.
    发明授权
    Laminated piezoelectric/electrostrictive device 有权
    层压压电/电致伸缩器件

    公开(公告)号:US07443080B2

    公开(公告)日:2008-10-28

    申请号:US11554669

    申请日:2006-10-31

    IPC分类号: H01L41/08

    CPC分类号: H01L41/0471 H01L41/0838

    摘要: There is realized a piezoelectric/electrostrictive device of a laminated type from which a large displacement is obtained and which is highly reliable over a long period. A laminated piezoelectric/electrostrictive device 1 has: a laminated columnar article 10 constituted by alternately laminating a plurality of piezoelectric/electrostrictive layers 14 and inner electrode layers 18, 19; and a pair of outer electrodes 28, 29 disposed on a peripheral surface of the laminated columnar article 10 to connect layers having the same polarity to each other among the inner electrode layers 18, 19. This laminated piezoelectric/electrostrictive device 1 is characterized in that interfaces 2a, 2b having a relatively low interface strength as compared with the other interfaces are disposed at a specific interval among the interfaces between layers of the laminated columnar article 10.

    摘要翻译: 实现了一种层叠型的压电/电致伸缩器件,其从中获得大的位移,并且其长期高度可靠。 叠层压电/电致伸缩装置1具有:交替层叠多个压电/电致伸缩层14和内电极层18,19构成的层叠柱状物品10; 以及设置在层叠柱状物10的周面上的一对外部电极28,29,以在内部电极层18,19之间连接具有相同极性的层。 这种层压压电/电致伸缩器件1的特征在于,与层压柱状物品10的层之间的界面之间以特定间隔设置与其它界面相比具有相对低的界面强度的界面2a,2b。

    LAMINATED PIEZOELECTRIC/ELECTROSTRICTIVE DEVICE
    2.
    发明申请
    LAMINATED PIEZOELECTRIC/ELECTROSTRICTIVE DEVICE 有权
    层压压电/电致器件

    公开(公告)号:US20070170818A1

    公开(公告)日:2007-07-26

    申请号:US11554669

    申请日:2006-10-31

    IPC分类号: H01L41/083

    CPC分类号: H01L41/0471 H01L41/0838

    摘要: There is realized a piezoelectric/electrostrictive device of a laminated type from which a large displacement is obtained and which is highly reliable over a long period. A laminated piezoelectric/electrostrictive device 1 has: a laminated columnar article 10 constituted by alternately laminating a plurality of piezoelectric/electrostrictive layers 14 and inner electrode layers 18, 19; and a pair of outer electrodes 28, 29 disposed on a peripheral surface of the laminated columnar article 10 to connect layers having the same polarity to each other among the inner electrode layers 18, 19. This laminated piezoelectric/electrostrictive device 1 is characterized in that interfaces 2a, 2b having a relatively low interface strength as compared with the other interfaces are disposed at a specific interval among the interfaces between layers of the laminated columnar article 10.

    摘要翻译: 实现了一种层叠型的压电/电致伸缩器件,其从中获得大的位移,并且其长期高度可靠。 叠层压电/电致伸缩装置1具有:交替层叠多个压电/电致伸缩层14和内电极层18,19构成的层叠柱状物品10; 以及设置在层叠柱状物10的周面上的一对外部电极28,29,以在内部电极层18,19之间连接具有相同极性的层。 这种层压压电/电致伸缩器件1的特征在于,与层压柱状物品10的层之间的界面之间以特定间隔设置与其它界面相比具有相对低的界面强度的界面2a,2b。

    Process for producing a planar body of an oxide single crystal
    3.
    发明授权
    Process for producing a planar body of an oxide single crystal 有权
    用于制造氧化物单晶的平面体的方法

    公开(公告)号:US06527851B2

    公开(公告)日:2003-03-04

    申请号:US09798750

    申请日:2001-03-02

    IPC分类号: C30B1508

    CPC分类号: C30B15/08 C30B15/00 C30B29/30

    摘要: A planar body with a good crystallinity is grown continuously and stably when a planar body of an oxide single crystal is grown by a micro pulling-down method. A raw material of the oxide single crystal is melted in a crucible 7. A fibrous seed crystal 15 is contacted to a melt 18, and then the melt 18 is pulled down from an opening 13c of the crucible 7 by lowering the seed crystal. A shoulder portion 14A is produced following the seed crystal, and a planar body 14B is produced following the shoulder portion. In this case, differences in lattice constants between each crystal axis of the seed crystal and each corresponding crystal axis of the shoulder portion are controlled at 1% or less, respectively.

    摘要翻译: 当通过微型拉下法生长氧化物单晶的平面体时,连续稳定地生长具有良好结晶度的平面体。 氧化物单晶的原料在坩埚7中熔融。纤维晶种15与熔体18接触,然后通过降低晶种从坩埚7的开口13c向下拉。 在晶种之后产生肩部14A,并且在肩部之后制造平面体14B。 在这种情况下,将晶种的每个晶轴与肩部的每个相应的晶轴之间的晶格常数的差分别控制在1%以下。