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    Ink-jet printing head and ink-jet printing apparatus using same
    1.
    发明授权
    Ink-jet printing head and ink-jet printing apparatus using same 有权
    喷墨打印头和使用其的喷墨打印设备

    公开(公告)号：US5984459A

    公开(公告)日：1999-11-16

    申请号：US144459

    申请日：1998-09-01

    申请人： Tetsushi Takahashi ,  Yoshinao Miyata ,  Shiro Yazaki

    发明人： Tetsushi Takahashi ,  Yoshinao Miyata ,  Shiro Yazaki

    IPC分类号： B41J2/14 ,  B41J2/045

    CPC分类号： B41J2/14233 ,  B41J2002/14387 ,  B41J2002/14491 ,  B41J2202/11

    摘要： An ink-jet printing head and an ink-jet printing apparatus using the same, the ink-jet head comprising a piezoelectric element, a vibrating plate constituting a part of a pressure generating chamber communicating with a nozzle aperture, a lower electrode, a piezoelectric layer, and an upper electrode, wherein said vibrating plate in an area opposite to the vicinity of at least one end in the longitudinal direction of a piezoelectric active part which is an area in which said piezoelectric layer substantially drives said vibrating plate is convex on the reverse side to said piezoelectric element.

    摘要翻译： 喷墨打印头和使用其的喷墨打印装置，喷墨头包括压电元件，构成与喷嘴孔连通的压力产生室的一部分的振动板，下电极，压电 层和上电极，其中所述振动板在与所述压电层基本上驱动所述振动板的区域中的压电有源部分的纵向方向上的至少一端附近相反的区域中是凸起的 与所述压电元件相反。

    Ink-jet recording head and ink-jet recording apparatus
    5.
    发明授权
    Ink-jet recording head and ink-jet recording apparatus 有权
    喷墨记录头和喷墨记录装置

    公开(公告)号：US06682178B2

    公开(公告)日：2004-01-27

    申请号：US10076348

    申请日：2002-02-19

    申请人： Shiro Yazaki

    发明人： Shiro Yazaki

    IPC分类号： B41J245

    CPC分类号： B41J2/14233 ,  B41J2002/14241 ,  B41J2002/14419 ,  B41J2202/11

    摘要： An ink-jet recording head includes a passage-forming substrate and a plurality of piezoelectric elements provided on one side of the passage-forming substrate via an vibration plate, the passage-forming substrate having a plurality of pressure generating chambers formed therein in such a manner as to communicate with corresponding nozzle orifices and as to be separated from one another by means of a plurality of compartment walls, the plurality of piezoelectric elements each including a lower electrode, a piezoelectric layer, and an upper electrode. The vibration plate undergoes tensile stress; the number n of the pressure generating chambers arranged per inch is more than 200 and is related to width w of the pressure generating chamber and thickness d of the compartment wall as represented by (w+d)=1 inch/n; and the thickness d of the compartment wall is more than 10 &mgr;m and is related to thickness h of the passage-forming substrate as represented by (d×3)≦h≦(d×6). Thus, the rigidity of the compartment walls is maintained.

    摘要翻译： 喷墨记录头包括通道形成基板和经由振动板设置在通道形成基板的一侧上的多个压电元件，所述通道形成基板具有形成在其中的多个压力发生室 与相应的喷嘴孔连通并且通过多个隔室壁彼此分离的方式，所述多个压电元件各自包括下电极，压电层和上电极。 振动板经受拉伸应力; 每英寸布置的压力发生室的数量n大于200，与（w + d）= 1英寸/ n表示的压力发生室的宽度w和隔室壁的厚度d有关; 隔室壁的厚度d大于10um，与（dx3）<= h <=（dx6）所示的通道形成基板的厚度h有关。 因此，保持隔室壁的刚度。

    LIQUID EJECTING HEAD, METHOD FOR MANUFACTURING THE SAME AND LIQUID EJECTING APPARATUS
    6.
    发明申请
    LIQUID EJECTING HEAD, METHOD FOR MANUFACTURING THE SAME AND LIQUID EJECTING APPARATUS 审中-公开
    液体喷射头，其制造方法和液体喷射装置

    公开(公告)号：US20110234710A1

    公开(公告)日：2011-09-29

    申请号：US13071435

    申请日：2011-03-24

    申请人： Seiichi Fujita ,  Shiro Yazaki

    发明人： Seiichi Fujita ,  Shiro Yazaki

    IPC分类号： B41J2/045 ,  H01L41/22

    CPC分类号： B41J2/14233 ,  B41J2202/03 ,  Y10T29/42

    摘要： There is provided a liquid ejecting head in which a surface layer of a vibration plate at the side of a flow path formation substrate is formed by an insulating film made of zirconium oxide and a protection film made of a material which is resistant to liquid is provided on a surface of the flow path formation substrate so as to cover wall surfaces of liquid flow paths.

    摘要翻译： 提供了一种液体喷射头，其中通过由氧化锆制成的绝缘膜形成在流路形成基板一侧的振动板的表面层，并且提供由耐液体的材料制成的保护膜 在流路形成基板的表面上，以覆盖液流路径的壁面。

    Liquid ejecting head drive method and liquid ejection device
    7.
    发明授权
    Liquid ejecting head drive method and liquid ejection device 有权
    液体喷射头驱动方法和液体喷射装置

    公开(公告)号：US07252354B2

    公开(公告)日：2007-08-07

    申请号：US10488747

    申请日：2002-09-11

    申请人： Maki Ito ,  Masami Murai ,  Shiro Yazaki

    发明人： Maki Ito ,  Masami Murai ,  Shiro Yazaki

    IPC分类号： B41J29/38 ,  B41J2/045

    CPC分类号： B41J2/04581 ,  B41J2/04588 ,  B41J2/04593

    摘要： A liquid-ejecting apparatus according to which targeted good characteristics can be obtained, and moreover the scope for material selection can be broadened is provided. The liquid-ejecting apparatus contracts a pressure chamber and thus ejects liquid through application of voltage to a piezoelectric body, and is such that the driving waveform applied to the piezoelectric body during the liquid ejecting operation comprises a high potential period (a2) in which a voltage exhibiting an electric field strength exceeding the coercive electric field of the piezoelectric body is applied, and a reverse potential period (a6) in which a voltage such that the potential becomes of the opposite polarity to the polarity in the high potential period or the potential becomes zero is applied.

    摘要翻译： 可以获得目标良好特性的液体喷射装置，并且还可以扩大材料选择的范围。 液体喷射装置使压力室收缩，从而通过向压电体施加电压喷射液体，并且使得在液体喷射操作期间施加到压电体的驱动波形包括高电位周期（a 2），其中 施加表现出超过压电体的矫顽电场的电场强度的电压，和施加使电位成为与高电位期间极性相反极性的电压的反向电势周期（a 6），或 电位变为零。

    Liquid-jet head and method of producing the same and liquid injection device
    8.
    发明申请
    Liquid-jet head and method of producing the same and liquid injection device 有权
    喷液头及其制造方法和液体注射装置

    公开(公告)号：US20060290747A1

    公开(公告)日：2006-12-28

    申请号：US10573356

    申请日：2004-09-24

    申请人： Masato Shimada ,  Shiro Yazaki ,  Tsutomu Nishiwaki ,  Akihito Tsuda ,  Masataka Yamada

    发明人： Masato Shimada ,  Shiro Yazaki ,  Tsutomu Nishiwaki ,  Akihito Tsuda ,  Masataka Yamada

    IPC分类号： B41J2/045

    CPC分类号： B41J2/1623 ,  B41J2/14233 ,  B41J2/161 ,  B41J2/1628 ,  B41J2/1629 ,  B41J2/1632 ,  B41J2/1635 ,  B41J2/1642 ,  B41J2002/14241 ,  B41J2002/14419 ,  B41J2002/14491

    摘要： There are provided a liquid-jet head which can reliably prevent breakage of piezoelectric elements over a long period of time, and a method for manufacturing the liquid-jet head, as well as a liquid-jet apparatus. Further, there are provided a liquid-jet head which can effectively prevent a drop in the amount of displacement of a vibration plate caused through drive of a piezoelectric element, and a method for manufacturing the liquid-jet head, as well as a liquid-jet apparatus. A liquid-jet head includes a channel substrate 10 which has pressure generation chambers 12 formed therein and communicating nozzle orifices for discharging liquid droplets, and piezoelectric elements 300 each of which is composed of a lower electrode 60, a piezoelectric layer 70, and an upper electrode 80 and which are disposed on one surface of the channel substrate 10 via a vibration plate, wherein at least pattern regions of the respective layers which constitute the piezoelectric elements 300 are covered with an insulating film 100 formed of an inorganic insulating material.

    摘要翻译： 提供了能够可靠地防止压电元件长时间破裂的液体喷射头，以及喷液头的制造方法以及喷液装置。 此外，还提供了一种液体喷射头，其能够有效地防止由压电元件的驱动引起的振动板的位移量的下降，以及液体喷射头的制造方法， 喷气机 液体喷射头包括：通道基板10，其具有形成在其中的压力产生室12和用于喷射液滴的连通喷嘴孔;以及压电元件300，每个压电元件由下电极60，压电层70和上 电极80，其经由振动板设置在通道基板10的一个表面上，其中构成压电元件300的各层的至少图案区域被由无机绝缘材料形成的绝缘膜100覆盖。

    Ink jet recording head and ink jet recorder
    9.
    发明申请
    Ink jet recording head and ink jet recorder 有权
    喷墨记录头和喷墨记录器

    公开(公告)号：US20060203041A1

    公开(公告)日：2006-09-14

    申请号：US11430893

    申请日：2006-05-10

    申请人： Masato Shimada ,  Shinri Sakai ,  Shiro Yazaki

    发明人： Masato Shimada ,  Shinri Sakai ,  Shiro Yazaki

    IPC分类号： B41J2/045

    CPC分类号： B41J2/1646 ,  B41J2/14233 ,  B41J2/161 ,  B41J2002/14387 ,  B41J2002/14491

    摘要： To provide an ink jet recording head with a decreased initial deflection amount of a diaphragm and an ink jet recorder comprising the ink jet recording head. An ink jet recording head which has a flow passage formation substrate 10 where pressure generation chambers 12 communicating with nozzle openings are defined and a piezoelectric element being placed on one side of the flow passage formation substrate 10 via a diaphragm and having at least a lower electrode 60, a piezoelectric layer 70, and an upper electrode 80, characterized in that at least one of layers deposited together with the piezoelectric layer 70 is a compression film 50 having a compressive stress and the compression film 50 has at least a part in a thickness direction removed in at least a part of an area opposed to the pressure generation chamber, whereby the stress of the whole film is decreased.

    摘要翻译： 提供具有减小的隔膜的初始偏转量的喷墨记录头和包括喷墨记录头的喷墨记录器。 一种喷墨记录头，其具有流路形成基板10，其中形成有与喷嘴开口连通的压力产生室12，并且压电元件通过隔膜放置在流路形成基板10的一侧上，并具有至少一个下电极 60，压电层70和上电极80，其特征在于，与压电层70一起沉积的层中的至少一层是具有压缩应力的压缩膜50，压缩膜50具有至少一部分厚度 方向在与压力产生室相对的区域的至少一部分中移除，由此整个膜的应力减小。

    Ink jet printing head including a backing member for reducing displacement of partitions between pressure generating chambers
    10.
    发明授权
    Ink jet printing head including a backing member for reducing displacement of partitions between pressure generating chambers 失效
    喷墨打印头包括用于减小压力发生室之间的隔板位移的背衬构件

    公开(公告)号：US06231169B1

    公开(公告)日：2001-05-15

    申请号：US09069992

    申请日：1998-04-30

    申请人： Shiro Yazaki ,  Shinri Sakai

    发明人： Shiro Yazaki ,  Shinri Sakai

    IPC分类号： B41J2045

    CPC分类号： B41J2/14233 ,  B41J2002/14387

    摘要： An ink jet recording head includes at least a row of nozzle aperture; a passage formed substrate having partitions forming at least a row of pressure generating chambers, each communicating the respective nozzle aperture; a diaphragm forming a part of the pressure generating chambers and at least an upper surface of which serves as a lower electrode; a piezoelectric vibrator including, a piezoelectric active part having a piezoelectric layer formed on the surface of the diaphragm, and an upper electrode formed on the surface of said piezoelectric layer and formed in an area opposite to said pressure generating chamber; and a backing member joined to the side of the piezoelectric layer and having partitioning walls forming a concave portion being space to extent that a movement of the piezoelectric active part is not prevented, and fixed to the passage formed substrate such that each partitioning wall is opposite to the partition of the passage formed substrate.

    摘要翻译： 喷墨记录头包括至少一排喷嘴孔; 通道形成的基板具有形成至少一排压力产生室的隔板，每个压力产生室连通相应的喷嘴孔; 形成压力发生室的一部分并且其至少上表面用作下电极的隔膜; 一种压电振动器，包括：具有形成在所述隔膜表面上的压电层的压电有源部分和形成在所述压电层的表面上并形成在与所述压力发生室相对的区域中的上电极; 以及与所述压电体层侧接合并具有形成凹部的分隔壁的背衬构件，所述隔壁形成为空间，所述隔壁的尺寸使得所述压电有源部的移动不被阻止，并且固定到所述通道形成的基板，使得每个分隔壁相对 到通道形成的基底的分隔。