Piezoelectric ceramic material decreased in lead content from
stoichiometory for vibrating in wide frequency range at high
electromechanical converting efficiency
    31.
    发明授权
    Piezoelectric ceramic material decreased in lead content from stoichiometory for vibrating in wide frequency range at high electromechanical converting efficiency 失效
    压电陶瓷材料的铅含量从化学计量下降,在高频率范围内以高机电转换效率振动

    公开(公告)号:US5759433A

    公开(公告)日:1998-06-02

    申请号:US687962

    申请日:1996-07-29

    IPC分类号: C04B35/49 H01L41/187

    CPC分类号: H01L41/187

    摘要: Lead of ternary or quaternary piezoelectric ceramic compound is decreased by 0.1 to 5 percent by mole with respect to piezoelectric ceramic compound expressed by the chemical formula of �Pb(Mn.sub.1/3 Sb.sub.2/3)O.sub.3 !.sub.x �PbZrO.sub.3 !.sub.y �PbTiO.sub.3 !.sub.z where x+Y+z=1 or the piezoelectric ceramic compound the lead of which is partially replaced with calcium, barium or strontium, and the decrease of lead prevent the ternary or quaternary piezoelectric ceramic compound from undesirable segregation of lead compound at the grain boundaries so as to improve the mechanical output.

    摘要翻译: 相对于化学式[Pb(Mn + E,fra 1/3 + EE Sb + E,fra 2/3)表示的压电陶瓷化合物,三元或四元压电陶瓷化合物的铅减少0.1〜5摩尔% + EE)O 3] x [PbZrO 3] y [PbTiO 3] z其中x + Y + z = 1或其铅被部分被钙,钡或锶替代的压电陶瓷化合物,并且铅的减少防止三元或 四级压电陶瓷化合物由于在晶界上不合要求的铅化合物分离,从而提高机械输出。

    Method of producing electrostrictive effect element

    公开(公告)号:US4681667A

    公开(公告)日:1987-07-21

    申请号:US940210

    申请日:1986-12-10

    CPC分类号: H01L41/293 H01L41/083

    摘要: A method of producing a laminated type electrostrictive effect element composed of a plurality of layers of electrostrictive material and a plurality of thin internal electrodes placed between adjacent layers of the electrostrictive material. The internal electrodes are exposed in side surfaces of the electrostrictive element parallel to the direction of lamination. Alternate internal electrodes are electrically connected in common to form a first group and a second group of internal electrodes, for connection to a power supply to produce a longitudinal electrostrictive strain in the direction of lamination. The method of the invention provides an efficient technique for electrically connecting alternate internal electrodes in common. The method involves forming an insulating layer of inorganic material such as glass or glass-ceramics over the portions of the exposed internal electrodes which are not to be electrically connected. The inorganic insulating material is formed by an electrophoretic process and sintered to produce an integral body consisiting of the internal electrodes, the electrostrictive material and the inorganic insulating material. In one embodiment of the invention the laminated type electrostrictive effect element is immersed in a suspension solution containing electrically charged glass powder. A voltage is applied to the internal electrodes on which the insulating layer is to be formed and an opposing electrode plate in the suspension solution is connected to the opposite polarity supply voltage. The positively charged glass powder is thereby deposited on the exposed portions of the internal electrodes connected to the voltage supply of selected polarity. Alternatively, the laminated type electrostrictive effect element is immersed in a suspension solution containing previously charged glass powder to deposit the glass powder onto the entire surface of the laminated structure. Thereafter, an electric field is applied between the internal electrodes on which the insulating layer is not to be formed and an opposing electrode plate disposed within the suspension to remove the glass powder from the selected internal electrodes.

    Electrostriction transducer comprising electrostriction layers of
axially varied thicknesses
    34.
    发明授权
    Electrostriction transducer comprising electrostriction layers of axially varied thicknesses 失效
    电致伸缩传感器包括轴向变化的厚度的电致伸缩层

    公开(公告)号:US4633120A

    公开(公告)日:1986-12-30

    申请号:US662113

    申请日:1984-10-18

    CPC分类号: H01L41/083 H02N2/043

    摘要: In an electrostriction transducer comprising protection layers (21, 22) in which no electric fields are produced during operation, each of end electrostriction layers (41, 42) which are contiguous to the respective protection layers with pertinent ones of internal electrodes (16, 17) interposed, is given a thicker thickness (at) as compared with other or intermediate electrostriction layers (23) to make the transducer have a long life and a high reliability. The intermediate electrostriction layers may have a common thickness (t). Alternatively, the intermediate electrostriction layers may have monotonously decreasing thicknesses when placed nearer to a plane which bisects a pile (19) of the electrostriction layers parallel to both end surfaces of the pile. When a pair of holding members for the transducer are used on both longitudinal ends, each protection layer is preferably received in an indent formed in the holding member. Alternatively, it is preferred that each holding member should comprise a metal plate contiguous to the protection layer and a metal band surrounding parts of the metal plate and the protection layer.

    摘要翻译: 在包括在操作期间不产生电场的保护层(21,22)的电致伸缩换能器中,每个末端电致伸缩层(41,42)与相应的保护层邻接,具有相应的内部电极(16,17) )与其他或中间电子吸收层(23)相比被赋予较厚的厚度(at),以使换能器具有长寿命和高可靠性。 中间电致伸缩层可以具有共同的厚度(t)。 或者,当放置得更靠近平面于桩的两个端面的电致伸缩层的桩(19)的平面放置时,中间电致伸缩层可以具有单调减小的厚度。 当在两个纵向端部使用一对用于换能器的保持构件时,每个保护层优选地容纳在形成在保持构件中的凹口中。 或者,优选地,每个保持构件应包括与保护层相邻的金属板和围绕金属板和保护层的部分的金属带。

    Piezoelectric actuator unit having a stress relieving layer and method for manufacturing the same
    35.
    发明授权
    Piezoelectric actuator unit having a stress relieving layer and method for manufacturing the same 有权
    具有应力消除层的压电致动器单元及其制造方法

    公开(公告)号:US08410663B2

    公开(公告)日:2013-04-02

    申请号:US12446175

    申请日:2006-10-20

    IPC分类号: H01L41/083

    摘要: A piezoelectric actuator unit which undergoes less change in the amount of displacement and shows high durability in continuous operation under a high voltage and a high pressure over a long period of time is provided.The piezoelectric actuator unit including a multi-layer piezoelectric element having piezoelectric layers and metal layers with the piezoelectric layers and the metal layers being stacked one on another, and a case which houses the multi-layer piezoelectric element, wherein at least one of the plurality of metal layers is stress relieving layer which consists of a plurality of partial metal layers that are scattered throughout the entire region between two piezoelectric layers which adjoin the partial metal layers in the direction of stacking, and voids, and a peel-off section is formed at least in a part of the interface between the stress relieving layer and the piezoelectric layer that adjoins therewith.

    摘要翻译: 提供了一种压电致动器单元,其在较高的电压和高压下长时间地进行位移量变化较小并且连续运行时的耐久性较高。 压电致动器单元包括具有压电层的层压型压电元件和压电层和金属层彼此堆叠的金属层,以及容纳多层压电元件的壳体,其中,多个 金属层的应力消除层由多个部分金属层构成,该多个部分金属层在层叠方向上与部分金属层相邻的两个压电层之间的整个区域分散,形成空隙,形成剥离部 至少在应力消除层和与其相邻的压电层之间的界面的一部分中。

    Multi-layer piezoelectric element having a plurality of junction sections and injection apparatus employing the same
    36.
    发明授权
    Multi-layer piezoelectric element having a plurality of junction sections and injection apparatus employing the same 有权
    具有多个接合部的多层压电元件和采用该层的压电元件

    公开(公告)号:US08212451B2

    公开(公告)日:2012-07-03

    申请号:US12447640

    申请日:2006-10-31

    IPC分类号: H01L41/083

    CPC分类号: H01L41/0838

    摘要: A multi-layer piezoelectric element includes a stack having metal layers and piezoelectric layers stacked one on another, and a pair of external electrodes formed on the side faces of the stack. At least one of the metal layers is a stress relieving layer having partial metal layers scattered between the two piezoelectric layers and voids. Junction sections are formed between the two piezoelectric layers to join and are disposed on both sides of an imaginary straight line drawn to connect the center of width of one of the external electrodes and the center of width of the other of the external electrodes in a plane including the stress relieving perpendicular to the stacking direction.

    摘要翻译: 层叠型压电元件包括​​具有层叠的金属层和压电体的叠层以及形成在叠层的侧面的一对外部电极。 至少一个金属层是在两个压电层和空隙之间分散有部分金属层的应力消除层。 接合部分形成在两个压电层之间以连接并布置在假想直线的两侧,其被绘制以连接外部电极之一的宽度的中心和另一个外部电极的宽度的中心在平面中 包括垂直于堆叠方向的应力消除。

    PIEZOCERAMIC MULTILAYER ACTUATOR WITH HIGH RELIABILITY
    37.
    发明申请
    PIEZOCERAMIC MULTILAYER ACTUATOR WITH HIGH RELIABILITY 有权
    具有高可靠性的PIEZOCERAMIC MULTILERER执行器

    公开(公告)号:US20100194247A1

    公开(公告)日:2010-08-05

    申请号:US12376346

    申请日:2007-08-06

    IPC分类号: H01L41/083

    CPC分类号: H01L41/273 H01L41/0838

    摘要: A piezoceramic multilayer actuator has a first sub-stack (12, 14, 16) with a plurality of piezoceramic layers (22) and at least one internal electrode (24, 26), the piezoceramic layers (22) and the at least one internal electrode (24, 26) being laminated in an alternating manner, a second sub-stack (12, 14, 16) has a plurality of piezoceramic layers (22) and at least one internal electrode (24, 26), the piezoceramic layers (22) and the at least one internal electrode (24, 26) being laminated in an alternating manner, and a connection layer (40) arranged between the first sub-stack (12, 14, 16) and the second sub-stack (12, 14, 16), wherein the connection layer (40) is set up by a multitude of single connection points or connection lines (44) or other connection regions.

    摘要翻译: 压电陶瓷多层致动器具有具有多个压电陶瓷层(22)和至少一个内部电极(24,26)的第一子堆叠(12,14,16),所述压电陶瓷层(22)和所述至少一个内部 电极(24,26)以交替的方式层压,第二子堆叠(12,14,16)具有多个压电陶瓷层(22)和至少一个内部电极(24,26),所述压电陶瓷层 22)和所述至少一个内部电极(24,26)以交替的方式层叠,以及布置在所述第一子堆叠(12,14)和所述第二子堆叠(12)之间的连接层(40) ,14,16),其中所述连接层(40)由多个单个连接点或连接线(44)或其它连接区域设置。

    Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
    39.
    发明授权
    Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus 有权
    电子照相感光构件,处理盒和电子照相设备

    公开(公告)号:US07364824B2

    公开(公告)日:2008-04-29

    申请号:US11617347

    申请日:2006-12-28

    IPC分类号: G03G15/02

    摘要: An electrophotographic photosensitive member, a process cartridge and an electrophotographic apparatus are provided which not only secure mechanical strength sufficiently but also bring a vast improvement in charge transport performance and which can well satisfy electrical properties. An electrophotographic photosensitive member is provided an outermost surface layer of which contains at least a charge transporting compound having chain polymerizable functional groups which is represented by the following general formula (1-1) or (1-2); the charge transporting compound having been polymerized or cross-linked and cured. Also provided are a process cartridge and an electrophotographic apparatus which have such a photosensitive member.

    摘要翻译: 提供了一种电子照相感光构件,处理盒和电子照相设备,其不仅充分确保机械强度,而且还可以极大地改善电荷传输性能,并且可以很好地满足电性能。 提供电子照相感光构件,其最外表面层至少包含由以下通式(1-1)或(1-2)表示的具有链可聚合官能团的电荷输送化合物; 电荷输送化合物已经聚合或交联并固化。 还提供了具有这种感光构件的处理盒和电子照相设备。

    Six-legged type piezoelectric vibration gyroscope
    40.
    发明授权
    Six-legged type piezoelectric vibration gyroscope 有权
    六脚式压电振动陀螺仪

    公开(公告)号:US07216540B2

    公开(公告)日:2007-05-15

    申请号:US10548102

    申请日:2004-03-05

    IPC分类号: G01P9/04

    CPC分类号: G01C19/5642

    摘要: A six-legged type piezoelectric vibration gyroscope having a pair of exciting arms extending from a body (2) in a first direction (A1) with a space therebetween, one non-exciting arm (3c) extending in the first direction between the exciting arms from the body, a pair of detecting arms (4a, 4b) extending from the body in a second direction (A2) with a space therebetween, and one non-detecting arm (4c) extending in the second direction between the detecting arms from the body. The exciting arms are coupled with a drive-side electrode. The detecting arms are coupled with a detection-side electrode. The exciting arms, non-exciting arm, detecting arms, and non-detecting arm respectively consist of a piezoelectric. The respective exciting arms differ in width size from the non-exciting arm. The respective exciting arms differ in width size from the respective detecting arms. The respective exciting arms differ in width size from the non-detecting arm.

    摘要翻译: 一种六脚式压电振动陀螺仪,具有一对激励臂,其沿着第一方向(A 1)从主体(2)沿其间具有空间延伸,一对非励磁臂(3c)沿第一方向延伸到 来自身体的激励臂,一对从身体沿第二方向(A 2)延伸并具有空间的检测臂(4a,4b)和一个在第二方向上延伸的非检测臂(4c) 在身体的检测臂之间。 激励臂与驱动侧电极耦合。 检测臂与检测侧电极耦合。 激励臂,非励磁臂,检测臂和非检测臂分别由压电构成。 相应的激光臂的宽度尺寸与非激励臂不同。 各个激励臂的宽度尺寸与相应的检测臂不同。 各个激励臂的宽度尺寸与非检测臂不同。