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公开(公告)号：US20220274407A1
公开(公告)日：2022-09-01
申请号：US17675208
申请日：2022-02-18
Applicant: CANON KABUSHIKI KAISHA
Inventor： Satoshi Tsutsui , Kazunari Ishizuka , Miho Ishii , Yohei Hamade , Haruka Yamaji , Hikaru Sugimoto
Abstract: A method for producing a laminate of a cured material from a photosensitive resin composition (1) and a photosensitive resin composition (2), wherein the method includes a step of obtaining a laminated material by laminating the composition (2) onto the composition (1); a step of subjecting the laminated material to photoexposure to obtain a photocured material; a step of developing the photocured material to obtain a developed material; and a step of heating the developed material to obtain a laminate, wherein the photoexposure dose required to cure the composition (2) is smaller than the dose required to cure the composition (1), and wherein the composition (1) contains an epoxy resin (1) having a weight-average molecular weight Mw of 5,000 to 600,000, a softening point of at least 140° C., and an epoxy equivalent weight of not more than 2,300.
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公开(公告)号：US11426999B2
公开(公告)日：2022-08-30
申请号：US17128445
申请日：2020-12-21
Applicant: CANON KABUSHIKI KAISHA
Inventor： Satoshi Tsutsui , Kazunari Ishizuka , Isamu Horiuchi , Yohei Hamade , Miho Ishii
Abstract: A liquid discharge head is provided which has a substrate, a flow channel forming member provided on a substrate surface of the substrate and forming a flow channel of a liquid, and a discharge port forming member provided on the flow channel forming member and having a discharge port through which a liquid is discharged, wherein the discharge port forming member and the flow channel forming member are formed of materials different from each other, a thickness of the flow channel forming member is greater than a thickness of the discharge port forming member in a direction perpendicular to the substrate surface, the discharge port forming member is a cured product of a photosensitive resin composition, and the flow channel forming member contains at least one resin selected from the group consisting of a polyether amide resin, a polyether imide resin and a polyether amide-imide resin.
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公开(公告)号：US20210213738A1
公开(公告)日：2021-07-15
申请号：US17128445
申请日：2020-12-21
Applicant: CANON KABUSHIKI KAISHA
Inventor： Satoshi Tsutsui , Kazunari Ishizuka , Isamu Horiuchi , Yohei Hamade , Miho Ishii
Abstract: A liquid discharge head is provided which has a substrate, a flow channel forming member provided on a substrate surface of the substrate and forming a flow channel of a liquid, and a discharge port forming member provided on the flow channel forming member and having a discharge port through which a liquid is discharged, wherein the discharge port forming member and the flow channel forming member are formed of materials different from each other, a thickness of the flow channel forming member is greater than a thickness of the discharge port forming member in a direction perpendicular to the substrate surface, the discharge port forming member is a cured product of a photosensitive resin composition, and the flow channel forming member contains at least one resin selected from the group consisting of a polyether amide resin, a polyether imide resin and a polyether amide-imide resin.
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公开(公告)号：US20210031523A1
公开(公告)日：2021-02-04
申请号：US16935441
申请日：2020-07-22
Applicant: CANON KABUSHIKI KAISHA
Inventor： Kazunari Ishizuka , Isamu Horiuchi , Satoshi Tsutsui , Yohei Hamade , Miho Ishii
Abstract: Provided is a method for manufacturing a liquid ejection head including an ejection orifice for ejecting a liquid, a substrate and a flow path forming member that is joined to the substrate to form a liquid flow path communicating with the ejection orifice, the method including: (1) forming a resin layer having a flow path mold pattern, on the substrate; (2) adding a hydrophilizing material represented by Chemical Formula 1 to an entire surface layer of the resin layer; (3) forming a covering resin layer serving as the flow path forming member, on the resin layer and forming a compatible layer containing the resin layer, the covering resin layer and the hydrophilizing material, at an interface between the resin layer and the covering resin layer; (4) forming the ejection orifice by exposing the covering resin layer; and (5) forming a flow path by removing the resin layer.
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公开(公告)号：US10259224B2
公开(公告)日：2019-04-16
申请号：US15993957
申请日：2018-05-31
Applicant: CANON KABUSHIKI KAISHA
Inventor： Yohei Hamade
Abstract: A liquid ejection head includes an ejection orifice configured to eject a liquid, the ejection orifice has at least one protrusion protruding from the peripheral portion of the ejection orifice toward the center of the ejection orifice, and the protrusion includes, on the outer surface including at least the protrusion edge, a highly water-repellent region having a higher water repellency than that of the outer surface of the periphery of the ejection orifice.
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Patent Agency Ranking
公开(公告)号：US20180354263A1
公开(公告)日：2018-12-13
申请号：US15993957
申请日：2018-05-31
Applicant: CANON KABUSHIKI KAISHA
Inventor： Yohei Hamade
CPC classification number: B41J2/1433 , B41J2/162 , B41J2/164
Abstract: A liquid ejection head includes an ejection orifice configured to eject a liquid, the ejection orifice has at least one protrusion protruding from the peripheral portion of the ejection orifice toward the center of the ejection orifice, and the protrusion includes, on the outer surface including at least the protrusion edge, a highly water-repellent region having a higher water repellency than that of the outer surface of the periphery of the ejection orifice.
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公开(公告)号：US20160236467A1
公开(公告)日：2016-08-18
申请号：US15005268
申请日：2016-01-25
Applicant: CANON KABUSHIKI KAISHA
Inventor： Hyou Takahashi , Kazunari Ishizuka , Yohei Hamade , Ken Ikegame , Satoshi Tsutsui
CPC classification number: B41J2/1433 , B41J2/1603 , B41J2/1606 , B41J2/1631 , B41J2/1637 , G03F7/0015 , G03F7/0046 , G03F7/0048 , G03F7/038 , G03F7/0755 , G03F7/0757 , G03F7/16 , G03F7/38
Abstract: Provided is a liquid-ejecting head, including a member having opened therein an ejection orifice configured to eject a liquid, in which the liquid-ejecting head has, on a side being positioned on the member and having opened therein the ejection orifice, a cured layer of a mixture containing: (a) a condensate of hydrolyzable silane compounds containing a hydrolyzable silane compound having 20 or more fluorine atoms and a hydrolyzable silane compound having a cationically polymerizable group; (b) a fluorine atom-containing nonionic surfactant; and (c) an epoxy resin.
Abstract translation: 本发明提供一种液体喷射头，包括一个在其上开有喷射口的构件，该喷射孔被构造成喷射液体喷射头的液体位于该构件的一侧，并且在其中打开喷射孔，固化 该混合物层包含：（a）含有具有20个或更多个氟原子的可水解硅烷化合物的可水解硅烷化合物的缩合物和具有阳离子可聚合基团的可水解硅烷化合物; （b）含氟原子的非离子表面活性剂; 和（c）环氧树脂。
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公开(公告)号：US20160052270A1
公开(公告)日：2016-02-25
申请号：US14829381
申请日：2015-08-18
Applicant: CANON KABUSHIKI KAISHA
Inventor： Satoshi Tsutsui , Yohei Hamade
CPC classification number: B41J2/1603 , B41J2/1606 , B41J2/1629 , B41J2/1631 , B41J2/1639 , B41J2/1645
Abstract: In an inkjet recording head comprising a substrate including an energy-generating element that generates energy for ejecting a liquid, an ejection port for ejecting the liquid, and a liquid flow passage communicating with the ejection port, a liquid-repellent layer is formed on a surface of a member for forming the ejection port, and a liquid-repellent region and a liquid-nonrepellent region are formed on the same surface of the liquid-repellent layer by irradiating a part of the liquid-repellent layer with light including a wavelength decomposing the liquid-repellent component in the liquid-repellent layer.
Abstract translation: 在包括基板的喷墨记录头中，所述基板包括产生用于喷射液体的能量的能量产生元件，用于喷射液体的喷射口和与喷射口连通的液体流动通道，液体排斥层形成在 用于形成排出口的构件的表面，以及拒水区域和液体 - 非喷射区域通过用包括波长分解的光在一部分疏液层上照射而在防液层的同一表面上形成 防液层中的防液成分。
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公开(公告)号：US12059897B2
公开(公告)日：2024-08-13
申请号：US17852641
申请日：2022-06-29
Applicant: CANON KABUSHIKI KAISHA
Inventor： Isao Imamura , Yohei Hamade
CPC classification number: B41J2/14201 , B41J2/1607 , B41J2/1637 , B41J2002/14419
Abstract: An inkjet recording head comprising a flow channel member, wherein the flow channel member is formed of a heat-cured product of a molding material comprising a resin composition comprising a thermosetting epoxy resin and a curing agent, and a filler; the filler comprises alumina and silica; and with d50 as a median diameter of the silica and with alumina A as the alumina having a median diameter of d50/4 or less, the content of the alumina A is 11 parts by mass or more relative to 100 parts by mass of the silica.
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公开(公告)号：US20230140669A1
公开(公告)日：2023-05-04
申请号：US17935185
申请日：2022-09-26
Applicant: CANON KABUSHIKI KAISHA
Inventor： Hikaru Sugimoto , Kazunari Ishizuka , Satoshi Tsutsui , Yohei Hamade , Miho Ishii , Haruka Yamaji
Abstract: Provided is a photosensitive structural body including: a substrate having a hydroxy group on a first surface thereof; and a cured product of a negative photosensitive resin composition arranged on the substrate, wherein the negative photosensitive resin composition contains an epoxy compound (A), a photobase generator (B), and an aromatic compound (C), and the aromatic compound (C) is a compound represented by the following general formula (1): in the general formula (1), four of R1 to R6 each independently represent a hydrogen atom or an alkyl group, and remaining two thereof each independently represent a functional group selected from an unsubstituted amino group (—NH2), a hydroxy group (—OH), and a carboxyl group (—COOH), provided that the two functional groups each selected from an unsubstituted amino group, a hydroxy group, and a carboxyl group are functional groups different from each other.
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