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    Ink jet head
    1.
    发明授权
    Ink jet head 失效
    喷墨头

    公开(公告)号：US6137510A

    公开(公告)日：2000-10-24

    申请号：US969837

    申请日：1997-11-13

    申请人： Tamaki Sato ,  Yasuyuki Tamura ,  Mineo Kaneko ,  Masayoshi Tachihara ,  Yasutomo Watanabe ,  Shuichi Murakami ,  Michinari Mizutani ,  Takashi Inoue

    发明人： Tamaki Sato ,  Yasuyuki Tamura ,  Mineo Kaneko ,  Masayoshi Tachihara ,  Yasutomo Watanabe ,  Shuichi Murakami ,  Michinari Mizutani ,  Takashi Inoue

    IPC分类号： B41J2/14 ,  B41J2/05

    CPC分类号： B41J2/1404 ,  B41J2002/14403 ,  B41J2002/14467

    摘要： There is disclosed an ink jet head comprising plural discharge energy generating elements for generating energy to be used for discharging ink droplets, ink discharge openings for discharging the ink droplets, a substrate bearing thereon an array of the plural discharge energy generating elements and an ink supply aperture consisting of a penetrating hole extending along the direction of array of the discharge energy generating elements, and an orifice plate provided with the ink discharge openings, in which the substrate and the orifice plate are mutually adjoined to define therebetween ink paths connecting the ink discharge openings and the ink supply aperture, wherein the orifice plate comprises plural projections in a position corresponding to the ink supply aperture.

    摘要翻译： 公开了一种喷墨头，其包括用于产生用于排出墨滴的能量的多个排出能量产生元件，用于排出墨滴的墨排出口，其上具有多个排出能量产生元件的阵列的基底轴承和墨供给 由沿着排出能量产生元件的排列方向延伸的贯穿孔构成的孔，以及设置有排墨孔的孔板，其中基板和孔板相互邻接，以在其间限定连接油墨排出口 开口和供墨孔，其中孔板包括在与供墨孔对应的位置中的多个突起。

    Ink-jet printing head and ink-jet printing apparatus and method
    4.
    发明授权
    Ink-jet printing head and ink-jet printing apparatus and method 有权
    喷墨打印头和喷墨打印设备及方法

    公开(公告)号：US06896357B2

    公开(公告)日：2005-05-24

    申请号：US10176056

    申请日：2002-06-21

    申请人： Shuichi Murakami ,  Michinari Mizutani ,  Takashi Inoue

    发明人： Shuichi Murakami ,  Michinari Mizutani ,  Takashi Inoue

    IPC分类号： B41J2/01 ,  B41J2/05 ,  B41J2/14 ,  B41J2/15 ,  B41J2/205 ,  B41J2/21

    CPC分类号： B41J2/15 ,  B41J2/1404 ,  B41J2/2125 ,  B41J2002/14387 ,  B41J2002/14475

    摘要： The present invention provides an ink-jet printing head, and an ink-jet printing apparatus and method which enable high-gradation and high-quality images to be printed using dots of different sizes. In an ink-jet printing head according to the present invention, at least one second nozzle has its center arranged on an imaginary line extending in a main-scanning direction of the printing head through the center of a first nozzle. The volume of an ink droplet ejected through the second nozzle is smaller than that of an ink droplet ejected through the first nozzle. Further, the number of second nozzles is larger than that of first nozzles.

    摘要翻译： 本发明提供一种喷墨打印头，以及能够使用不同尺寸的点打印高分辨率和高质量图像的喷墨打印设备和方法。 在根据本发明的喷墨打印头中，至少一个第二喷嘴的中心布置在通过第一喷嘴的中心沿打印头的主扫描方向延伸的假想线上。 通过第二喷嘴喷射的墨滴的体积小于通过第一喷嘴喷射的墨滴的体积。 此外，第二喷嘴的数量大于第一喷嘴的数量。

    Ink jet head having an improved orifice plate, a method for manufacturing such ink jet heads, and an ink jet apparatus provided with such ink jet head
    6.
    发明授权
    Ink jet head having an improved orifice plate, a method for manufacturing such ink jet heads, and an ink jet apparatus provided with such ink jet head 有权
    具有改进的孔板的喷墨头，这种喷墨头的制造方法以及具有这种喷墨头的喷墨装置

    公开(公告)号：US06186616B1

    公开(公告)日：2001-02-13

    申请号：US09161397

    申请日：1998-09-28

    申请人： Takashi Inoue ,  Mineo Kaneko ,  Masayoshi Tachihara ,  Shuichi Murakami ,  Michinari Mizutani ,  Yuichiro Akama

    发明人： Takashi Inoue ,  Mineo Kaneko ,  Masayoshi Tachihara ,  Shuichi Murakami ,  Michinari Mizutani ,  Yuichiro Akama

    IPC分类号： B41J2135

    CPC分类号： B41J2/1643 ,  B41J2/14016 ,  B41J2/1433 ,  B41J2/1603 ,  B41J2/1629 ,  B41J2/1631 ,  B41J2/1642

    摘要： An ink jet head comprises a plurality of discharge pressure generating elements serving as the discharge pressure source for discharging an ink droplet, an orifice plate having a plurality of ink discharge ports corresponding to the respective discharge pressure generating elements formed therefor, an ink supply port for supplying ink and a nozzle wall forming an ink flow path communicating the ink discharge ports with the ink supply port. The orifice plate and the nozzle wall are formed by resin material, and also, a thin metallic film is formed on the outer surface of the orifice plate. If desired, a water-repellent film is formed further on the surface of the thin metallic film. With the metallic film formed on the surface of the orifice plate, the moisture in ink is effectively prevented from being evaporated. Further, with the provision of the metallic film, it becomes possible to perform the eutectoid plating for the formation of the water-repellent film. With the head thus structured, it becomes possible to stably obtain excellent print quality.

    摘要翻译： 喷墨头包括用作排出墨滴的排出压力源的多个排出压力产生元件，具有与其形成的各个排出压力产生元件对应的多个排墨口的孔板，用于 供给墨水和形成将墨水排出口与供墨口连通的油墨流路的喷嘴壁。 孔板和喷嘴壁由树脂材料形成，并且在孔板的外表面上形成薄金属膜。 如果需要，在薄金属膜的表面上进一步形成防水膜。 通过在孔板的表面上形成金属膜，有效地防止油墨中的水分蒸发。 此外，通过设置金属膜，可以进行用于形成防水膜的共析电镀。 通过这样构造的头部，可以稳定地获得优异的打印质量。

    Ink-jet printing head and ink-jet printing apparatus and method
    9.
    发明授权
    Ink-jet printing head and ink-jet printing apparatus and method 失效
    喷墨打印头和喷墨打印设备及方法

    公开(公告)号：US06789877B2

    公开(公告)日：2004-09-14

    申请号：US10176034

    申请日：2002-06-21

    申请人： Shuichi Murakami ,  Michinari Mizutani ,  Takashi Inoue

    发明人： Shuichi Murakami ,  Michinari Mizutani ,  Takashi Inoue

    IPC分类号： B41J2145

    CPC分类号： B41J2/1404 ,  B41J2/15 ,  B41J2/2125 ,  B41J2002/14185 ,  B41J2002/14387 ,  B41J2002/14475

    摘要： The present invention provides an ink-jet printing head, and an ink-jet printing apparatus and method which enable not only larger-diameter nozzles but also smaller-diameter nozzles to be sufficiently recovered. In an ink-jet printing head according to the present invention, the number of smaller-diameter nozzles is larger than that of larger-diameter nozzles. Further, a plurality of ink channels include first ink channels in communication with the larger-diameter nozzles and second ink channels in communication with the smaller-diameter nozzles. The first ink channels and the second ink channels are mixed and arranged along an ink supply port so that a group of smaller-diameter nozzles composed of a plurality of the smaller-diameter nozzles is arranged between the lager-diameter nozzles.

    摘要翻译： 本发明提供一种喷墨打印头以及喷墨打印装置和方法，其不仅能够充分地恢复更大直径的喷嘴，而且能够使直径更小的喷嘴。 在根据本发明的喷墨打印头中，小直径喷嘴的数量大于较大直径喷嘴的数量。 此外，多个墨水通道包括与较大直径喷嘴连通的第一墨水通道和与较小直径喷嘴连通的第二墨水通道。 第一墨水通道和第二墨水通道沿着墨水供给口混合和排列，使得由多个较小直径的喷嘴组成的一组较小直径的喷嘴布置在大直径喷嘴之间。

    Liquid Ejection Head and Image-Forming Apparatus Using the Same
    10.
    发明申请
    Liquid Ejection Head and Image-Forming Apparatus Using the Same 有权
    液体喷射头和使用它的成像装置

    公开(公告)号：US20110242215A1

    公开(公告)日：2011-10-06

    申请号：US13164024

    申请日：2011-06-20

    申请人： Michinari Mizutani ,  Shuichi Murakami

    发明人： Michinari Mizutani ,  Shuichi Murakami

    IPC分类号： B41J2/135

    CPC分类号： B41J2/14016 ,  B41J2/15 ,  B41J2002/14169

    摘要： A liquid ejection head according to the present invention includes a plurality of ejection openings arranged in a first direction and a plurality of electro-thermal transducers for ejecting liquid from the ejection openings, the liquid ejection head and a printing medium being subjected to the relative movement, wherein an arrangement pitch of the ejection openings forming an end group located in the respective opposite end section along the first direction is longer than an arrangement pitch of the ejection openings forming a central group located in the central section along the first direction. According to the present invention, it is possible to eliminate white streaks which may generate in a solid printing.

    摘要翻译： 根据本发明的液体喷射头包括沿第一方向布置的多个喷射口和多个电热换能器，用于从喷射口喷射液体，液体喷射头和打印介质经受相对运动 其特征在于，沿着所述第一方向形成位于所述相对端部的端部组的所述喷射口的排列间距比形成沿着所述第一方向位于所述中央部的中心部的所述喷射口的排列间距长。 根据本发明，可以消除在固体印刷中产生的白色条纹。