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    Liquid ejecting head, liquid ejecting apparatus, and piezoelectric element
    2.
    发明授权
    Liquid ejecting head, liquid ejecting apparatus, and piezoelectric element 有权
    液体喷射头，液体喷射装置和压电元件

    公开(公告)号：US08360559B2

    公开(公告)日：2013-01-29

    申请号：US13102534

    申请日：2011-05-06

    申请人： Hiromu Miyazawa

    发明人： Hiromu Miyazawa

    IPC分类号： B41J2/045 ,  C04B35/495 ,  C04B35/00 ,  H01L41/18 ,  H01L41/187

    CPC分类号： B41J2/055 ,  B41J2/14233 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2/1629 ,  B41J2/1642 ,  B41J2/1646 ,  B41J2002/14241 ,  B41J2002/14419

    摘要： A liquid ejecting head includes a pressure-generating chamber in fluid communication with a nozzle opening and a piezoelectric element having a piezoelectric layer and electrodes provided to the piezoelectric layer. The piezoelectric layer is composed of a complex oxide having a perovskite structure containing bismuth and cerium in the A site of the perovskite structure and at least one metallic element selected from the group consisting of iron, cobalt, and chromium in the B site of the perovskite structure, and the molar ratio of the metallic element or elements in the B site, the bismuth, and the cerium is 1:(1−x):(3x/4).

    摘要翻译： 液体喷射头包括与喷嘴开口流体连通的压力发生室和具有压电层的压电元件和设置到压电层的电极。 压电层由在钙钛矿结构的A位置中含有铋和铈的钙钛矿结构的复合氧化物和在钙钛矿的B位置中选自铁，钴和铬的至少一种金属元素组成。 B位，铋和铈中的金属元素的摩尔比为1：（1-x）：（3x / 4）。

    LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS
    5.
    发明申请
    LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS 有权
    液体喷射和液体喷射装置

    公开(公告)号：US20110148990A1

    公开(公告)日：2011-06-23

    申请号：US12974800

    申请日：2010-12-21

    申请人： Hiromu MIYAZAWA ,  Hiroshi ITO ,  Jiro KATO ,  Eiju HIRAI ,  Toshihiro SHIMIZU

    发明人： Hiromu MIYAZAWA ,  Hiroshi ITO ,  Jiro KATO ,  Eiju HIRAI ,  Toshihiro SHIMIZU

    IPC分类号： B41J2/045

    CPC分类号： B41J2/045 ,  B41J2/055 ,  B41J2/14233 ,  B41J2002/14241 ,  B41J2002/14419 ,  B41J2002/14491

    摘要： A liquid ejecting head includes a flow channel forming substrate having pressure generation chambers communicating with a nozzle opening and arranged in parallel along a lateral direction. A piezoelectric element is provided on one surface of the flow channel forming substrate in correspondence to the pressure generation chamber, and has a first electrode, a piezoelectric layer provided on the first electrode and a second electrode provided on the piezoelectric layer. In a direction intersecting with the arrangement direction of the pressure generation chambers, in boundaries between an active section that is a substantial driving section and an inactive section that is not a substantial driving section of the piezoelectric layer, the first electrode includes a taper section of which a width is gradually decreased toward the boundary from the active section side.

    摘要翻译： 液体喷射头包括具有压力产生室的流路形成基板，该压力产生室与喷嘴开口连通并且沿着横向方向平行布置。 压电元件设置在对应于压力产生室的流道形成基板的一个表面上，并且具有第一电极，设置在第一电极上的压电层和设置在压电层上的第二电极。 在与压力产生室的排列方向相交的方向上，在作为实质的驱动部分的有效部分和不是压电层的实质驱动部分的非活动部分之间的边界中，第一电极包括锥形部分 宽度从有效部分侧朝向边界逐渐减小。

    LIQUID-EJECTING HEAD, LIQUID-EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT
    7.
    发明申请
    LIQUID-EJECTING HEAD, LIQUID-EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT 有权
    液体喷射头，液体喷射装置和压电元件

    公开(公告)号：US20110012963A1

    公开(公告)日：2011-01-20

    申请号：US12831432

    申请日：2010-07-07

    申请人： Hiromu MIYAZAWA ,  Ichiro ASAOKA

    发明人： Hiromu MIYAZAWA ,  Ichiro ASAOKA

    IPC分类号： B41J2/045 ,  H01L41/04

    CPC分类号： B41J2/055 ,  B41J2/14233 ,  B41J2002/14241 ,  B41J2002/14419 ,  B41J2202/03

    摘要： A liquid-ejecting head includes a pressure-generating chamber that communicates with a nozzle opening and a piezoelectric element. The piezoelectric element includes a first electrode; a piezoelectric body layer formed on the first electrode; and a second electrode formed on the piezoelectric body layer on a side opposite the first electrode. In the liquid-ejecting head, the piezoelectric body layer has a perovskite structure and an insulating property, and an A-site and an oxygen site of the perovskite structure respectively include a vacancy formed by losing an A-site metal and a vacancy formed by losing an oxygen atom, each of the vacancies including a hydrogen atom.

    摘要翻译： 液体喷射头包括与喷嘴开口和压电元件连通的压力产生室。 压电元件包括​​第一电极; 形成在所述第一电极上的压电体层; 以及在与第一电极相对的一侧形成在压电体层上的第二电极。 在液体喷射头中，压电体层具有钙钛矿结构和绝缘性，并且钙钛矿结构的A位和氧位分别包括失去A位金属形成的空位和由 失去氧原子，每个空位包括一个氢原子。

    PIEZOELECTRIC ELEMENT, LIQUID EJECTION HEAD AND PRINTER
    8.
    发明申请
    PIEZOELECTRIC ELEMENT, LIQUID EJECTION HEAD AND PRINTER 审中-公开
    压电元件，液体喷射头和打印机

    公开(公告)号：US20080203856A1

    公开(公告)日：2008-08-28

    申请号：US12038016

    申请日：2008-02-27

    申请人： Hiromu MIYAZAWA

    发明人： Hiromu MIYAZAWA

    IPC分类号： H01L41/187 ,  B41J2/045

    CPC分类号： B41J2/14233 ,  B41J2002/14258 ,  B41J2202/03 ,  B41J2202/11 ,  H01L41/0973 ,  H01L41/1876

    摘要： A piezoelectric element includes a base substrate; a lower electrode formed above the base substrate; a piezoelectric layer that is formed above the lower electrode, and formed from a perovskite type oxide expressed by a general formula ABO3, where A includes lead (Pb), and B includes zirconium (Zr) and titanium (Ti); and an upper electrode formed above the piezoelectric layer, wherein the piezoelectric layer has at least two regions having different compositions of Zr with respect to Zr and Ti.

    摘要翻译： 压电元件包括​​基底; 形成在基底基板上的下电极; 形成在下电极上方并由通式ABO 3表示的钙钛矿型氧化物形成的压电层，其中A包括铅（Pb），B包括锆（Zr）和钛 （Ti）; 以及形成在压电层上的上电极，其中压电层具有至少两个Zr相对于Zr和Ti组成不同的区域。

    LIQUID JET HEAD AND ITS MANUFACTURING METHOD
    9.
    发明申请
    LIQUID JET HEAD AND ITS MANUFACTURING METHOD 失效
    液体喷枪及其制造方法

    公开(公告)号：US20080030551A1

    公开(公告)日：2008-02-07

    申请号：US11831178

    申请日：2007-07-31

    申请人： Hiromu MIYAZAWA ,  Masao NAKAYAMA

    发明人： Hiromu MIYAZAWA ,  Masao NAKAYAMA

    IPC分类号： B41J2/045

    CPC分类号： B41J2/14233 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2/1631 ,  B41J2/1642 ,  B41J2/1646 ,  B41J2002/14241

    摘要： A liquid jet head includes: a substrate; a pressure generation chamber provided in the substrate; an elastic plate provided above the substrate; a capacitor structure section provided above the elastic plate, the capacitor structure section including a lower electrode layer, a piezoelectric layer and an upper electrode layer; a porous layer provided above the capacitor structure section; a seal layer provided on the porous layer; and a void section formed between the capacitor structure section and the porous layer.

    摘要翻译： 液体喷射头包括：基底; 设置在所述基板中的压力产生室; 设置在所述基板上方的弹性板; 电容器结构部分，设置在弹性板的上方，电容器结构部分包括下电极层，压电层和上电极层; 设置在电容器结构部分上方的多孔层; 设置在所述多孔层上的密封层; 以及形成在电容器结构部分和多孔层之间的空隙部分。