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    Method of cleaning liquid discharge head
    44.
    发明授权
    Method of cleaning liquid discharge head 有权
    清洗排液头的方法

    公开(公告)号：US09527290B2

    公开(公告)日：2016-12-27

    申请号：US14789711

    申请日：2015-07-01

    申请人： CANON KABUSHIKI KAISHA

    发明人： Norihiro Yoshinari ,  Yuzuru Ishida ,  Maki Kato ,  Yoshinori Misumi ,  Akio Goto ,  Takahiro Matsui

    IPC分类号： B41J2/14 ,  B41J2/165

    CPC分类号： B41J2/16517 ,  B41J2/14016 ,  B41J2/14032 ,  B41J2/1404 ,  B41J2/14072 ,  B41J2/14088 ,  B41J2002/14403 ,  B41J2002/16561 ,  B41J2202/08

    摘要： A method of cleaning a liquid discharge head having a substrate provided with a supply port, a heat-generating resistor covered with a covering layer, a liquid chamber forming member configured to form a liquid chamber, and at least one electrode and being configured to discharge liquid supplied to the liquid chamber from the supply port by causing the heat-generating resistor to generate heat, includes applying a voltage to the covering layer and the electrode to cause an electrochemical reaction between the covering layer and the liquid and dissolve the covering layer into the liquid to remove kogations accumulated on the covering layer, in which the covering layer and the electrode to which the voltage is to be applied are not provided in the same liquid chamber having the same cross-sectional area in a direction from the covering layer toward the electrode.

    摘要翻译： 一种清洗具有设置有供给口的基板的液体排出头的方法，被覆盖层覆盖的发热电阻体，构成为形成液体室的液体室形成部件，以及至少一个电极， 通过使发热电阻器产生热量而从供给口供给液体室的液体包括向覆盖层和电极施加电压，引起覆盖层和液体之间的电化学反应，并将覆盖层溶解 除去堆积在覆盖层上的堆积物的液体，其中覆盖层和施加电压的电极不会设置在与覆盖层方向上具有相同横截面积的相同的液体室中 电极。

    LIQUID DISCHARGE HEAD AND METHOD FOR PRODUCING LIQUID DISCHARGE HEAD
    45.
    发明申请
    LIQUID DISCHARGE HEAD AND METHOD FOR PRODUCING LIQUID DISCHARGE HEAD 有权
    液体排出头和液体排出头的生产方法

    公开(公告)号：US20160355013A1

    公开(公告)日：2016-12-08

    申请号：US15170747

    申请日：2016-06-01

    申请人： CANON KABUSHIKI KAISHA

    发明人： Yuzuru Ishida ,  Yoshinori Misumi ,  Maki Kato ,  Norihiro Yoshinari ,  Akio Goto ,  Takahiro Matsui

    IPC分类号： B41J2/14 ,  C23F1/00 ,  B41J2/16

    CPC分类号： B41J2/335 ,  B41J2/14129 ,  B41J2/1433 ,  B41J2/1603 ,  B41J2/162 ,  B41J2/1626 ,  B41J2/1628 ,  B41J2/1631 ,  B41J2/1642 ,  B41J2/1646 ,  C23F1/00 ,  C23F4/00 ,  G03F7/16

    摘要： A liquid discharge head has a chamber wall member forming a liquid chamber and a discharge head substrate containing a laminate of a base substrate having a surface for an element generating energy for discharging liquid. A first and second layer is formed contacting the wall. The second layer has adhesiveness with the chamber wall member higher than adhesiveness of the first layer, forming the liquid chamber with the chamber wall member. The first layer has a portion exposed from the second layer as viewed from a first direction orthogonal to the surface and contacting the chamber wail member at a position distant from the liquid chamber in a second direction orthogonal to the inner surface of the wall relative to a portion where the wall and second layer contact, and the length in the second direction of the portion of the first layer is 0.3 μm or more.

    摘要翻译： 液体排出头具有形成液体室的室壁构件和包含具有用于排出液体的用于产生能量的元件的表面的基底基板的层叠体的排出头基板。 形成与壁接触的第一和第二层。 第二层与室壁构件的密合性高于第一层的粘合性，与室壁构件形成液体室。 第一层具有从与表面正交的第一方向观察时从第二层露出的部分，并且在与壁的内表面正交的第二方向上相对于 壁和第二层接触的部分，第一层的部分的第二方向上的长度为0.3μm以上。

    METHOD FOR CLEANING LIQUID EJECTION HEAD
    47.
    发明申请
    METHOD FOR CLEANING LIQUID EJECTION HEAD 有权
    清洗液体喷射头的方法

    公开(公告)号：US20160001561A1

    公开(公告)日：2016-01-07

    申请号：US14789741

    申请日：2015-07-01

    申请人： CANON KABUSHIKI KAISHA

    发明人： Yoshinori Misumi ,  Ichiro Saito ,  Maki Kato ,  Yuzuru Ishida ,  Norihiro Yoshinari ,  Akio Goto ,  Takahiro Matsui ,  Kenji Takahashi

    IPC分类号： B41J2/165

    CPC分类号： B41J2/16517 ,  B41J2/14072 ,  B41J2/14129

    摘要： A method for cleaning a liquid ejection head which includes applying a voltage to a coating layer of the liquid ejection head to cause the coating layer to be eluted in a liquid so that kogation deposited on a coating layer is removed. When removing kogation deposited on the coating layer, temperatures of the liquids in the liquid chambers are selectively changed among a plurality of liquid chambers.

    摘要翻译： 一种清洗液体喷射头的方法，包括向液体喷射头的涂层施加电压以使涂层在液体中洗脱，从而去除沉积在涂层上的结焦。 当去除沉积在涂层上的结垢时，在多个液体室中选择性地改变液体室中的液体的温度。

    REPRODUCTION METHOD OF LIQUID EJECTING HEAD
    48.
    发明申请
    REPRODUCTION METHOD OF LIQUID EJECTING HEAD 有权
    液体喷射头再生方法

    公开(公告)号：US20140318976A1

    公开(公告)日：2014-10-30

    申请号：US14261119

    申请日：2014-04-24

    申请人： Canon Kabushiki Kaisha

    发明人： Kenji Takahashi ,  Ichiro Saito ,  Sadayoshi Sakuma ,  Yuzuru Ishida ,  Maki Kato ,  Norihiro Yoshinari

    IPC分类号： C25D7/00

    CPC分类号： C25D7/00 ,  B41J2/14129 ,  B41J2/1603 ,  B41J2/1625 ,  B41J2/164

    摘要： A reproduction method of a liquid ejecting head including: a process of filling the flow path with an electrolyte solution containing metal, and filling a space between an electrode capable of applying a voltage to between itself and the upper protective film and the upper protective film with the electrolyte solution; and a process of applying a voltage to between the upper protective film and the electrode to make the metal contained in the electrolyte solution deposit on the surface of the upper protective film.

    摘要翻译： 一种液体喷射头的再生方法，其特征在于，包括：用含有金属的电解液填充流路的工序，填充能够在其本身与上保护膜之间施加电压的电极与上保护膜之间的空间， 电解液; 以及向上保护膜和电极之间施加电压以使包含在电解质溶液中的金属沉积在上保护膜的表面上的过程。

    LIQUID EJECTION HEAD AND CLEANING METHOD
    49.
    发明公开
    LIQUID EJECTION HEAD AND CLEANING METHOD 审中-公开

    公开(公告)号：US20230234357A1

    公开(公告)日：2023-07-27

    申请号：US18100106

    申请日：2023-01-23

    申请人： CANON KABUSHIKI KAISHA

    发明人： Maki Kato

    IPC分类号： B41J2/165 ,  G01N27/30

    CPC分类号： B41J2/165 ,  G01N27/30

    摘要： A technique capable of appropriately detecting a timing for replacement of a liquid ejection head is to be provided. A liquid ejection head including: a first electrode configured to protect an electrothermal conversion element that ejects a liquid from an ejection port and to be capable of eluting into the liquid by an electrochemical reaction with the liquid; and a second electrode installed so as to be electrically connectable to the first electrode via the liquid, wherein a voltage is applied to cause the second electrode to generate the electrochemical reaction with the first electrode, so that the first electrode is eluted into the liquid, wherein polarities can be reversed between the first electrode and the second electrode for applying the voltage, and wherein wiring resistance in a circuit including a plurality of second electrodes as a part of wiring can be measured.