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    LIQUID-EJECTING HEAD, LIQUID-EJECTING APPARATUS AND ACTUATOR DEVICE
    1.
    发明申请
    LIQUID-EJECTING HEAD, LIQUID-EJECTING APPARATUS AND ACTUATOR DEVICE 有权
    液体喷射头，液体喷射装置和执行器装置

    公开(公告)号：US20100091075A1

    公开(公告)日：2010-04-15

    申请号：US12576994

    申请日：2009-10-09

    申请人： Hiromu MIYAZAWA ,  Hiroshi ITO ,  Koichi MOROZUMI ,  Jiro KATO

    发明人： Hiromu MIYAZAWA ,  Hiroshi ITO ,  Koichi MOROZUMI ,  Jiro KATO

    IPC分类号： B41J2/045

    CPC分类号： B41J2/14233 ,  B41J2/04581 ,  B41J2/04588 ,  B41J2002/14241

    摘要： A liquid-ejecting head including a pressure-generating chamber communicating with an nozzle, and a piezoelectric element having a first electrode, a piezoelectric layer arranged above the first electrode, and a second electrode arranged above the piezoelectric layer. An internal electric field in the piezoelectric layer is biased toward the first electrode or the second electrode and no voltage is applied to the first electrode or the second electrode.

    摘要翻译： 包括与喷嘴连通的压力产生室的液体喷射头以及具有第一电极，布置在第一电极上方的压电层和布置在压电层上方的第二电极的压电元件。 压电层内的内部电场朝向第一电极或第二电极偏置，也不向第一电极或第二电极施加电压。

    LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS AND ACTUATOR DEVICE
    5.
    发明申请
    LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS AND ACTUATOR DEVICE 有权
    液体喷射头，液体喷射装置和执行器装置

    公开(公告)号：US20100073435A1

    公开(公告)日：2010-03-25

    申请号：US12562306

    申请日：2009-09-18

    申请人： Hiromu MIYAZAWA ,  Hiroshi ITO ,  Koichi MOROZUMI ,  Jiro KATO

    发明人： Hiromu MIYAZAWA ,  Hiroshi ITO ,  Koichi MOROZUMI ,  Jiro KATO

    IPC分类号： B41J2/045

    CPC分类号： B41J2/14233 ,  B41J2/04581 ,  B41J2/04588 ,  B41J2/055 ,  B41J2002/14241 ,  B41J2002/1425 ,  B41J2002/14266 ,  B41J2002/14419 ,  H01L41/0973

    摘要： A liquid ejecting head including a fluid channel forming substrate including a pressure generating chamber communicating with a nozzle opening that ejects a liquid droplet and a piezoelectric element. The piezoelectric element has a first electrode, a piezoelectric material layer that is provided on the first electrode and has a perovskite monoclinic structure, and a second electrode formed on the piezoelectric material layer opposite to the first electrode. An angle formed between a direction of an electric field generated between the first and second electrodes and an orientation of a polarization moment of the piezoelectric material layer is greater than an angle formed between the direction of the electric field at a time when the piezoelectric constant of the piezoelectric material layer reaches a maximum level and the orientation of the polarization moment.

    摘要翻译： 一种液体喷射头，包括：流体通道形成基板，包括与喷射液滴的喷嘴开口连通的压力产生室和压电元件。 压电元件具有第一电极，设置在第一电极上并具有钙钛矿单斜晶体结构的压电材料层，和形成在与第一电极相对的压电体层上的第二电极。 在第一和第二电极之间产生的电场的方向与压电材料层的极化力矩的方向之间形成的角度大于在压电材料层的压电常数 压电材料层达到最大水平和极化力矩的方向。

    DROPLET-EJECTING HEAD, DROPLET-EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT
    8.
    发明申请
    DROPLET-EJECTING HEAD, DROPLET-EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT 有权
    喷涂头，喷涂设备和压电元件

    公开(公告)号：US20110074890A1

    公开(公告)日：2011-03-31

    申请号：US12891950

    申请日：2010-09-28

    申请人： Hiromu MIYAZAWA ,  Koichi MOROZUMI

    发明人： Hiromu MIYAZAWA ,  Koichi MOROZUMI

    IPC分类号： B41J2/045 ,  H01L41/04

    CPC分类号： B41J2/14233 ,  B41J2/161 ,  B41J2/1626 ,  B41J2/1631 ,  B41J2/1646 ,  B41J2002/14258 ,  C04B35/491 ,  H01L41/0477 ,  H01L41/0831 ,  H01L41/0973 ,  H01L41/1876 ,  H01L41/318 ,  H01L41/319

    摘要： A droplet-ejecting head including a substrate including a pressure chamber communicating with a nozzle hole and also a piezoelectric element that includes a lower electrode, a piezoelectric layer which is formed above the lower electrode, and an upper electrode formed above the piezoelectric element and that causes a change in pressure in a liquid contained in the pressure chamber. The piezoelectric layer includes a first piezoelectric sub-layer located on the lower electrode and a second piezoelectric sub-layer located between the first piezoelectric sub-layer and the upper electrode. The first piezoelectric sub-layer has a polarization axis predominantly directed in an in-plane direction of the first piezoelectric sub-layer. The second piezoelectric sub-layer is predominantly (100)-oriented in the pseudocubic coordinate system.

    摘要翻译： 一种液滴喷射头，包括具有与喷嘴孔连通的压力室的基板以及包括下电极的压电元件，形成在下电极上方的压电层和形成在压电元件上方的上电极，并且 导致包含在压力室中的液体中的压力变化。 压电层包括位于下电极上的第一压电子层和位于第一压电子层和上电极之间的第二压电子层。 第一压电子层具有主要指向第一压电子层的面内方向的偏振轴。 第二压电子层主要（100）取向在仿立方坐标系中。

    METHOD FOR PRODUCING LIQUID EJECTING HEAD, LIQUID EJECTING HEAD, AND LIQUID EJECTING DEVICE
    9.
    发明申请
    METHOD FOR PRODUCING LIQUID EJECTING HEAD, LIQUID EJECTING HEAD, AND LIQUID EJECTING DEVICE 有权
    生产液体喷头，液体喷射头和液体喷射装置的方法

    公开(公告)号：US20100214370A1

    公开(公告)日：2010-08-26

    申请号：US12706406

    申请日：2010-02-16

    申请人： Hiromu MIYAZAWA

    发明人： Hiromu MIYAZAWA

    IPC分类号： B41J2/045 ,  H04R17/00

    CPC分类号： B41J2/161 ,  B41J2/1628 ,  B41J2/1642 ,  B41J2/1646 ,  B41J2002/14241 ,  B41J2002/14419 ,  Y10T29/42

    摘要： A liquid ejecting head has a piezoelectric element with a first electrode, a piezoelectric layer, and a second electrode. The liquid ejecting head causes pressure changes in a pressure generating chamber communicating with a nozzle opening. The piezoelectric layer has a perovskite structure and is preferentially orientated in a (100) plane. A method for producing the liquid ejecting head includes polarizing the piezoelectric layer by applying an electric field having energy higher than energy required for converting the polarization direction in the direction to the direction and lower than energy required for converting the polarization direction in the direction to the direction when the electric field to be applied to the piezoelectric layer is in the direction vertical to a plane on which the second electrode is provided.

    摘要翻译： 液体喷射头具有带有第一电极，压电层和第二电极的压电元件。 液体喷射头在与喷嘴开口连通的压力发生室中引起压力变化。 压电层具有钙钛矿结构，并且优选地在（100）平面中取向。 一种液体喷射头的制造方法，其特征在于，通过将<111>方向的偏振方向转换成<110>方向所需的能量的能量高于低于转换极化所需的能量， 当施加到压电层的电场处于与设置有第二电极的平面垂直的<001>方向时，<111>方向朝向<001>方向的方向。