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    LIQUID EJECTION HEAD AND MANUFACTURING METHOD OF LIQUID EJECTION HEAD
    1.
    发明申请
    LIQUID EJECTION HEAD AND MANUFACTURING METHOD OF LIQUID EJECTION HEAD 有权
    液体喷射头的液体喷射头和制造方法

    公开(公告)号：US20090201343A1

    公开(公告)日：2009-08-13

    申请号：US12364217

    申请日：2009-02-02

    申请人： Chiaki Muraoka ,  Yukuo Yamaguchi ,  Mikiya Umeyama ,  Toru Yamane ,  Masaki Oikawa ,  Yuichiro Akama ,  Keiji Tomizawa ,  Tomotsugu Kuroda

    发明人： Chiaki Muraoka ,  Yukuo Yamaguchi ,  Mikiya Umeyama ,  Toru Yamane ,  Masaki Oikawa ,  Yuichiro Akama ,  Keiji Tomizawa ,  Tomotsugu Kuroda

    IPC分类号： B41J2/05 ,  H01L21/00

    CPC分类号： B41J2/1404 ,  B41J2/1603 ,  B41J2/1629 ,  B41J2/1631 ,  B41J2/1645 ,  B41J2002/14403 ,  B41J2002/14475

    摘要： The present invention provides a liquid ejection head for which the peeling of an orifice plate from a substrate seldom occurs, even in a structure such that the walls that define each energy application chamber are narrowed toward a ejection port. The walls that define a first pressure chamber are inclined inward within the first pressure chamber, so that the first pressure chamber is narrowed, toward an ejection port, along a direction perpendicular to the heater formation face on which heaters are arranged. Further, the walls that define each ink flow path are inclined in the ink ejection direction. Furthermore, the angle at which the walls that define the ink flow path are inclined relative to the ink ejection direction is smaller than the angle at which the walls that define the first pressure chamber are inclined inward, within the first pressure chamber.

    摘要翻译： 本发明提供了一种液体喷射头，即使在限定每个能量施加室的壁朝向喷射口变窄的结构中，也很少发生孔板从基板的剥离。 限定第一压力室的壁在第一压力室内向内倾斜，使得第一压力室沿着与加热器布置在其上的加热器形成面垂直的方向朝向喷射口变窄。 此外，限定每个油墨流动路径的壁在喷墨方向上倾斜。 此外，限定墨流路的壁相对于墨喷射方向倾斜的角度小于在第一压力室内限定第一压力室的壁向内倾斜的角度。

    Inkjet print head
    2.
    发明授权
    Inkjet print head 有权
    喷墨打印头

    公开(公告)号：US07963635B2

    公开(公告)日：2011-06-21

    申请号：US12328404

    申请日：2008-12-04

    申请人： Masaki Oikawa ,  Keiji Tomizawa ,  Mikiya Umeyama ,  Toru Yamane ,  Chiaki Muraoka ,  Yuichiro Akama ,  Tomotsugu Kuroda

    发明人： Masaki Oikawa ,  Keiji Tomizawa ,  Mikiya Umeyama ,  Toru Yamane ,  Chiaki Muraoka ,  Yuichiro Akama ,  Tomotsugu Kuroda

    IPC分类号： B41J2/05

    CPC分类号： B41J2/1404 ,  B41J2002/14185 ,  B41J2002/14403 ,  B41J2002/14475 ,  B41J2202/11

    摘要： The landing precision of ink drops is improved to improve the image quality and increase the printing speed. An inkjet print head ejects ink supplied from an ink supply port from a plurality of ejection ports respectively connecting to ink paths having different flow resistances by using energy generated by a plurality of electrothermal transducer elements respectively corresponding to the plurality of the ejection ports, wherein each of the plurality of the ejection ports connected to the ink paths having a low ink flow resistance is arranged so that the center of each of the plurality of the ejection ports is positioned farther away from the ink supply port to the center of the corresponding electrothermal transducer element than each of the plurality of the ejection ports connected to the ink paths having a high ink flow resistance.

    摘要翻译： 提高墨滴的着陆精度，提高图像质量，提高打印速度。 喷墨打印头通过使用分别对应于多个喷射口的多个电热换能器元件产生的能量，从分别连接到具有不同流动阻力的油墨通道的多个喷射口喷射从供墨口供给的墨水，其中， 连接到具有低油墨流动阻力的油墨通道的多个喷射口中的多个喷射口的中心布置成使得多个喷射口中的每个喷射口的中心位于远离供墨口至相应的电热换能器的中心 元件比连接到具有高油墨流动阻力的油墨通道的多个喷射口中的每个喷墨口。

    Liquid ejection head and manufacturing method of liquid ejection head
    8.
    发明授权
    Liquid ejection head and manufacturing method of liquid ejection head 有权
    液体喷射头和液体喷射头的制造方法

    公开(公告)号：US08210655B2

    公开(公告)日：2012-07-03

    申请号：US12364217

    申请日：2009-02-02

    申请人： Chiaki Muraoka ,  Yukuo Yamaguchi ,  Mikiya Umeyama ,  Toru Yamane ,  Masaki Oikawa ,  Yuichiro Akama ,  Keiji Tomizawa ,  Tomotsugu Kuroda

    发明人： Chiaki Muraoka ,  Yukuo Yamaguchi ,  Mikiya Umeyama ,  Toru Yamane ,  Masaki Oikawa ,  Yuichiro Akama ,  Keiji Tomizawa ,  Tomotsugu Kuroda

    IPC分类号： B41J2/05 ,  B41J2/14

    CPC分类号： B41J2/1404 ,  B41J2/1603 ,  B41J2/1629 ,  B41J2/1631 ,  B41J2/1645 ,  B41J2002/14403 ,  B41J2002/14475

    摘要： The present invention provides a liquid ejection head for which the peeling of an orifice plate from a substrate seldom occurs, even in a structure such that the walls that define each energy application chamber are narrowed toward an ejection port. The walls that define a first pressure chamber are inclined inward within the first pressure chamber, so that the first pressure chamber is narrowed, toward an ejection port, along a direction perpendicular to the heater formation face on which heaters are arranged. Further, the walls that define each ink flow path are inclined in the ink ejection direction. Furthermore, the angle at which the walls that define the ink flow path are inclined relative to the ink ejection direction is smaller than the angle at which the walls that define the first pressure chamber are inclined inward, within the first pressure chamber.

    摘要翻译： 本发明提供了一种液体喷射头，即使在限定每个能量施加室的壁朝向喷射口变窄的结构中，也很少发生孔板从基板的剥离。 限定第一压力室的壁在第一压力室内向内倾斜，使得第一压力室沿着与加热器布置在其上的加热器形成面垂直的方向朝向喷射口变窄。 此外，限定每个油墨流动路径的壁在喷墨方向上倾斜。 此外，限定墨流路的壁相对于墨喷射方向倾斜的角度小于在第一压力室内限定第一压力室的壁向内倾斜的角度。

    INKJET PRINT HEAD
    9.
    发明申请
    INKJET PRINT HEAD 有权
    INKJET打印头

    公开(公告)号：US20090147056A1

    公开(公告)日：2009-06-11

    申请号：US12328404

    申请日：2008-12-04

    申请人： Masaki Oikawa ,  Keiji Tomizawa ,  Mikiya Umeyama ,  Toru Yamane ,  Chiaki Muraoka ,  Yuichiro Akama ,  Tomotsugu Kuroda

    发明人： Masaki Oikawa ,  Keiji Tomizawa ,  Mikiya Umeyama ,  Toru Yamane ,  Chiaki Muraoka ,  Yuichiro Akama ,  Tomotsugu Kuroda

    IPC分类号： B41J2/05

    CPC分类号： B41J2/1404 ,  B41J2002/14185 ,  B41J2002/14403 ,  B41J2002/14475 ,  B41J2202/11

    摘要： The landing precision of ink drops is improved to improve the image quality and increase the printing speed. An inkjet print head ejects ink supplied from an ink supply port from a plurality of ejection ports respectively connecting to ink paths having different flow resistances by using energy generated by a plurality of electrothermal transducer elements respectively corresponding to the plurality of the ejection ports, wherein each of the plurality of the ejection ports connected to the ink paths having a low ink flow resistance is arranged so that the center of each of the plurality of the ejection ports is positioned farther away from the ink supply port to the center of the corresponding electrothermal transducer element than each of the plurality of the ejection ports connected to the ink paths having a high ink flow resistance.

    摘要翻译： 提高墨滴的着陆精度，提高图像质量，提高打印速度。 喷墨打印头通过使用分别对应于多个喷射口的多个电热换能器元件产生的能量，从分别连接到具有不同流动阻力的油墨通道的多个喷射口喷射从供墨口供给的墨水，其中， 连接到具有低油墨流动阻力的油墨通道的多个喷射口中的多个喷射口的中心布置成使得多个喷射口中的每个喷射口的中心位于远离供墨口至相应的电热换能器的中心 元件比连接到具有高油墨流动阻力的油墨通道的多个喷射口中的每个喷墨口。

    Liquid ejection head, inkjet printing apparatus and liquid ejecting method
    10.
    发明授权
    Liquid ejection head, inkjet printing apparatus and liquid ejecting method 有权
    液体喷射头，喷墨打印装置和液体喷射方法

    公开(公告)号：US07938511B2

    公开(公告)日：2011-05-10

    申请号：US12199318

    申请日：2008-08-27

    申请人： Keiji Tomizawa ,  Mikiya Umeyama ,  Toru Yamane ,  Chiaki Muraoka ,  Yuichiro Akama ,  Masaki Oikawa ,  Tomotsugu Kuroda

    发明人： Keiji Tomizawa ,  Mikiya Umeyama ,  Toru Yamane ,  Chiaki Muraoka ,  Yuichiro Akama ,  Masaki Oikawa ,  Tomotsugu Kuroda

    IPC分类号： B41J2/05

    CPC分类号： B41J2/1404 ,  B41J2/14112 ,  B41J2/1433 ,  B41J2002/14169 ,  B41J2002/14185 ,  B41J2002/14403 ,  B41J2202/11

    摘要： Provided are a printing head and an inkjet printing apparatus, which eject liquid droplets without leaving behind any bubble in each nozzle, thus having an enhanced durability. An ejection port of the printing head includes a first ejection port part communicating with the atmosphere and a second ejection port part having a cross-section orthogonal to an ejection direction being larger than a cross-section of the first ejection port part orthogonal to the ejection direction, and being formed between the energy effect chamber and the first ejection port part. In addition, the second ejection port part is formed to be eccentric to an electrothermal transducing element in an ink supply direction in which ink is supplied from an ink supplying port to the bubbling chamber.

    摘要翻译： 提供了一种打印头和喷墨打印设备，其在每个喷嘴中喷射液滴而不留下任何气泡，从而具有增强的耐久性。 打印头的喷射口包括与大气连通的第一喷射口部分和具有与喷射方向正交的横截面的第二喷射口部分大于与喷射正交的第一喷射口部分的横截面 方向，并且形成在能量效应室和第一排出口部分之间。 此外，第二喷射口部分形成为沿着墨水供应方向的电热转换元件偏心，在墨水供应方向上，墨水从供墨口供给到鼓泡室。