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公开(公告)号：US10201974B2
公开(公告)日：2019-02-12
申请号：US15044514
申请日：2016-02-16
Applicant: CANON KABUSHIKI KAISHA
Inventor： Jun Yamamuro , Kazuhiro Asai , Keiji Matsumoto , Koji Sasaki , Masahisa Watanabe , Kunihito Uohashi , Seiichiro Yaginuma , Ryotaro Murakami , Kenji Fujii
IPC: B41J2/16
Abstract: A process for producing a liquid discharge head including a substrate having a liquid supply path passing through from its first surface to second surface and an discharge port forming member having a discharge port communicating with the supply path through a flow path, the process including providing a first layer of photosensitive resin in a region covering an opening of the supply path in the first surface; forming a latent image of a pattern of the flow path in the first layer by exposure; providing a second layer of negative photosensitive resin on the first layer; curing a portion, opposing to the opening of the supply path in the first surface, of the second layer; forming a latent image of a pattern of the discharge port in the second layer by exposure; and developing latent images of patterns of the flow path and discharge port.
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公开(公告)号：US09919526B2
公开(公告)日：2018-03-20
申请号：US14553978
申请日：2014-11-25
Applicant: CANON KABUSHIKI KAISHA
Inventor： Kazuhiro Asai , Kenji Fujii , Keiji Matsumoto , Koji Sasaki , Kunihito Uohashi , Jun Yamamuro , Seiichiro Yaginuma , Masahisa Watanabe , Ryotaro Murakami
CPC classification number: B41J2/1623 , B41J2/14145 , B41J2/1603 , B41J2/1626 , B41J2/1628 , B41J2/1629 , B41J2/1631 , B41J2/1645
Abstract: A method for manufacturing a liquid discharge head includes a transferring step of transferring a dry film supported by a supporting member to a substrate having a hole, and a peeling step of peeling the supporting member off the dry film on the substrate. In the peeling step, the dry film is in contact with a wall surface defining the hole in the substrate.
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公开(公告)号：US09421773B2
公开(公告)日：2016-08-23
申请号：US13956607
申请日：2013-08-01
Applicant: CANON KABUSHIKI KAISHA
Inventor： Kazuhiro Asai , Keiji Matsumoto , Kunihito Uohashi , Shuji Koyama
CPC classification number: B41J2/1631 , B41J2/1603 , B41J2/1629 , B41J2/1639 , B41J2/1645 , Y10T29/49401
Abstract: The invention provides a process for producing a liquid ejection head having an ejection orifice forming member in which an ejection orifice for ejecting a liquid has been formed, and a substrate having an energy-generating element for generating energy for ejecting a liquid from the ejection orifice on the side of a front surface thereof, the process includes the steps of providing a film having a support, a first layer and a second layer in this order, arranging the film on the substrate in such a manner that the second layer faces the front surface, detaching the support from the film arranged, forming the ejection orifice in the second layer, and removing at least a part of the first layer from the second layer.
Abstract translation: 本发明提供一种制造液体喷射头的方法，该液体喷射头具有喷射孔形成部件，其中已经形成有用于喷射液体的喷射孔，以及具有用于产生从喷射口喷出液体的能量的能量产生元件的基板 在其前表面侧，该方法包括以下步骤：依次提供具有支撑体，第一层和第二层的膜，以使第二层面向前方的方式将膜设置在基板上 表面，从布置的膜分离支撑体，在第二层中形成喷射孔，以及从第二层去除第一层的至少一部分。
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24.发明申请公开(公告)号：US20150130874A1
公开(公告)日：2015-05-14
申请号：US14525453
申请日：2014-10-28
Applicant: CANON KABUSHIKI KAISHA
Inventor： Kunihito Uohashi , Kenji Fujii , Kazuhiro Asai , Keiji Matsumoto
IPC: B41J2/16
CPC classification number: B41J2/14016 , B41J2/1433 , B41J2/1603 , B41J2/162 , B41J2/1631 , B41J2/1632 , B41J2/1635 , B41J2/1639 , B41J2/1645
Abstract: A method of manufacturing a substrate for a liquid ejection head including an ejection port forming member which has formed therein ejection ports, includes the steps of: forming a first layer by using a first layer forming member; forming a second layer on the first layer by using a second layer forming member; and hardening a partial region of each of the first layer and the second layer and removing a region different from the partial region so as to form the ejection ports, resulting in that the first layer and the second layer constitute the ejection port forming member, and a member containing a solvent to dissolve the first layer forming member and a photo-acid-generating agent having an acid strength weaker than an acid strength of the photo-acid-generating agent contained in the first layer forming member is used as the second layer forming member.
Abstract translation: 一种液体喷射头用基板的制造方法，其特征在于，具有形成有喷射口的喷出口形成部件的工序，包括以下工序：利用第1层形成部件形成第1层; 通过使用第二层形成构件在所述第一层上形成第二层; 并且硬化所述第一层和所述第二层中的每一个的部分区域并且去除与所述部分区域不同的区域，以便形成所述喷射口，从而导致所述第一层和所述第二层构成所述喷射口形成构件，以及 使用含有溶解第一层形成部件的溶剂的成分和比第一层形成部件中含有的光酸产生剂的酸强弱弱的光酸产生剂作为第二层 成型构件。
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25.发明申请公开(公告)号：US20130330673A1
公开(公告)日：2013-12-12
申请号：US13903172
申请日：2013-05-28
Applicant: Canon Kabushiki Kaisha
Inventor： Kunihito Uohashi , Shuji Koyama , Kazuhiro Asai , Keiji Matsumoto , Tetsuro Honda , Masaki Ohsumi
IPC: B41J2/16
CPC classification number: B41J2/1631 , B41J2/1603 , B41J2/1629
Abstract: A process for producing an ejection orifice forming member including the steps of forming a laminate including a first negative photosensitive resin layer that contains a first photoacid generator, and a second negative photosensitive resin layer that is formed on the first negative photosensitive resin layer and contains a second photoacid generator; forming a first latent image and a second latent image on the first negative photosensitive resin layer and the second negative photosensitive resin layer, respectively, by collectively subjecting the first negative photosensitive resin layer and the second negative photosensitive resin layer to exposure; performing a heat treatment after the exposure; and forming the ejection orifice by a development treatment. The first photoacid generator in the first latent image has an acid diffusion length greater than the acid diffusion length of the second photoacid generator in the second latent image.
Abstract translation: 一种喷射孔形成部件的制造方法，包括以下步骤：形成包含第一感光性酸性发光体的第一负型感光性树脂层和形成在第一负型感光性树脂层上的第二负型感光性树脂层的层叠体， 第二光酸发生器; 通过共同对第一负感光性树脂层和第二负型感光性树脂层进行曝光，分别在第一负型感光性树脂层和第二负型感光性树脂层上形成第一潜像和第二潜像; 曝光后进行热处理; 并通过显影处理形成喷射孔。 第一潜像中的第一光致酸发生剂的酸扩散长度大于第二潜像中第二光致酸发生剂的酸扩散长度。
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Patent Agency Ranking
公开(公告)号：US09994018B2
公开(公告)日：2018-06-12
申请号：US15218998
申请日：2016-07-25
Applicant: CANON KABUSHIKI KAISHA
Inventor： Seiichiro Yaginuma , Jun Yamamuro , Kazuhiro Asai , Keiji Matsumoto , Koji Sasaki , Masahisa Watanabe , Kunihito Uohashi , Ryotaro Murakami , Tomohiko Nakano , Keiji Edamatsu , Haruka Nakada , Kenji Fujii
CPC classification number: B41J2/14145 , B41J2/1603 , B41J2/1623 , B41J2/1631 , B41J2/1642 , B41J2002/14403
Abstract: A liquid ejection head includes a liquid ejection board and a liquid ejection head component disposed on the liquid ejection board. The liquid ejection board includes a substrate, an energy generating device on the substrate, a channel defining member defining a liquid channel and having a liquid ejection opening in communication with the liquid channel, a liquid supply passage in communication with the liquid channel, a liquid supply opening in communication with the liquid supply passage and having a smaller opening cross-sectional area taken in a direction perpendicular to a flow direction of a liquid than the liquid supply passage, and an opening in communication with the liquid channel. The liquid channel allows a liquid to be in contact with the energy generating device. The liquid ejection opening allows a liquid to be ejected therethrough. The liquid ejection head component closes at least a portion of the opening.
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公开(公告)号：US20180043689A1
公开(公告)日：2018-02-15
申请号：US15669679
申请日：2017-08-04
Applicant: CANON KABUSHIKI KAISHA
Inventor： Kunihito Uohashi , Shingo Nagata , Kenji Fujii , Jun Yamamuro , Koji Sasaki , Keiji Matsumoto , Seiichiro Yaginuma , Ryotaro Murakami , Tomohiko Nakano , Masataka Nagai
IPC: B41J2/16
CPC classification number: B41J2/1631 , B41J2/1603 , B41J2/162 , B41J2/1632 , B41J2/1635 , B41J2/1639 , B41J2/1645
Abstract: A method for manufacturing a liquid ejection head including providing a negative first photosensitive resin layer on the substrate, forming a pattern of the flow path by selectively exposing the first photosensitive resin layer, providing a negative second photosensitive resin layer on the first photosensitive resin layer, providing a negative third photosensitive resin layer on the second photosensitive resin layer, forming a pattern of the ejection port by selectively exposing the second and third photosensitive resin layers, developing the first, second, and third photosensitive resin layers, irradiating an activation energy line on at least the third photosensitive resin layer after the developing, and heat curing the first, second, and third photosensitive resin layers after the irradiating of the activation energy line.
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公开(公告)号：US20160347065A1
公开(公告)日：2016-12-01
申请号：US15163961
申请日：2016-05-25
Applicant: CANON KABUSHIKI KAISHA
Inventor： Masahisa Watanabe , Jun Yamamuro , Kazuhiro Asai , Keiji Matsumoto , Koji Sasaki , Kunihito Uohashi , Ryotaro Murakami , Tomohiko Nakano , Keiji Edamatsu , Haruka Nakada , Kenji Fujii , Seiichiro Yaginuma
IPC: B41J2/16
CPC classification number: B41J2/1628 , B41J2/1404 , B41J2/1603 , B41J2/1631
Abstract: A method for manufacturing a liquid ejection head includes the steps of: preparing a substrate including an energy-generating element disposed on a first surface of the substrate and a supply path for liquid; disposing a dry film on the first surface of the substrate in such a manner that the dry film partially enters the supply path; etching the dry film from a side of the dry film facing the first surface of the substrate so that the dry film has an etched surface substantially in parallel with the first surface and covers the supply path; forming a resin layer to be a flow path member on the dry film covering the supply path; and removing the dry film covering the supply path.
Abstract translation: 一种制造液体喷射头的方法包括以下步骤：制备包括设置在基板的第一表面上的能量产生元件和液体供应路径的基板; 以干膜部分地进入供给路径的方式在基板的第一表面上设置干膜; 从所述干膜的面向所述基板的第一表面的一侧蚀刻所述干膜，使得所述干膜具有基本上与所述第一表面平行的蚀刻表面并覆盖所述供给路径; 在覆盖所述供给路径的所述干膜上形成作为流路部件的树脂层; 并且去除覆盖供给路径的干膜。
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公开(公告)号：US20160311222A1
公开(公告)日：2016-10-27
申请号：US15079499
申请日：2016-03-24
Applicant: CANON KABUSHIKI KAISHA
Inventor： Koji Sasaki , Kenji Fujii , Jun Yamamuro , Kazuhiro Asai , Seiichiro Yaginuma , Keiji Matsumoto , Kunihito Uohashi , Masahisa Watanabe , Tomohiko Nakano , Keiji Edamatsu , Haruka Nakada
CPC classification number: B41J2/162 , B41J2/1603 , B41J2/1631 , B41J2/1632 , B41J2/1639 , B41J2/1645
Abstract: A liquid ejection head includes a substrate having an energy generating element arranged therein and an ejection port forming member laid as superposed above the substrate. At least one ejection port is formed so as to run through the ejection port forming member. The ejection port forming member has a concave portion including the ejection port formed therein on the surface thereof opposite to the surface thereof facing the substrate, and has a convex portion on the surface of the ejection port forming member facing the substrate so as to correspond to the concave portion.
Abstract translation: 液体喷射头包括其中布置有能量产生元件的基板和布置成叠加在基板上方的喷射口形成件。 至少一个排出口被形成为穿过排出口形成构件。 喷射口形成部件具有在与其面向基板的表面相对的表面上形成有喷射口的凹部，并且在喷射口形成部件的与基板对置的表面上具有凸部， 凹部。
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公开(公告)号：US09216570B2
公开(公告)日：2015-12-22
申请号：US14011940
申请日：2013-08-28
Applicant: CANON KABUSHIKI KAISHA
Inventor： Keiji Matsumoto , Kazuhiro Asai , Kunihito Uohashi
CPC classification number: B41J2/005 , B41J2/1603 , B41J2/1628 , B41J2/1629 , B41J2/1631 , B41J2/1632 , B41J2/1635 , B41J2/1639 , B41J2/1642 , B41J2/1645
Abstract: A process for producing a liquid ejection head, comprising providing a substrate with an energy-generating element for ejecting liquid and a wiring; forming a flow path wall forming layer containing a negative photosensitive resin on the substrate; exposing a portion to be a flow path wall of the flow path wall forming layer; forming an ejection orifice forming layer containing a negative photosensitive resin on the flow path wall forming layer; applying a material for a water-repellent layer onto the ejection orifice forming layer; drying a solvent contained in the applied material to form the water-repellent layer; exposing another region than a portion to be an ejection orifice of the ejection orifice forming layer and the water-repellent layer; and dissolving and removing the non-exposed portions, wherein the boiling point of the solvent is not more than the drying temperature in the step to form the water-repellent layer.
Abstract translation: 一种液体喷射头的制造方法，其特征在于，在基板上设置喷射液体的发光元件和配线; 在基板上形成含有负性感光性树脂的流路壁形成层; 使作为流路壁形成层的流路壁的部分露出; 在流路壁形成层上形成含有负性感光性树脂的喷射孔形成层; 将防水层的材料施加到喷射孔形成层上; 干燥所施加的材料中所含的溶剂以形成拒水层; 暴露出与喷射孔形成层和防水层的喷射口的部分不同的区域; 并且溶解和除去非暴露部分，其中溶剂的沸点不大于在步骤中形成防水层的干燥温度。
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