公开(公告)号：US20190217619A1

公开(公告)日：2019-07-18

申请号：US16239863

申请日：2019-01-04

Applicant: CANON KABUSHIKI KAISHA

Inventor： Souta Takeuchi ,  Soichiro Nagamochi ,  Takuya Hatsui

IPC: B41J2/16 ,  B41J2/14

Abstract: A liquid ejection head including a substrate, an energy generating element provided on the substrate, a film provided on the substrate and the energy generating element, and a flow path forming member provided on the substrate, forming a flow path of a liquid between the flow path forming member and the substrate, and having an ejection orifice at a position faced with the energy generating element, characterized in that the substrate has a supply path of the liquid communicating with the flow path, the flow path forming member has a structure protruding toward the supply path, and a peripheral shape of a distal end portion of the structure is a curved surface shape.

公开(公告)号：US09751301B2

公开(公告)日：2017-09-05

申请号：US15137333

申请日：2016-04-25

Applicant: CANON KABUSHIKI KAISHA

Inventor： Kenji Takahashi ,  Shinya Iwahashi ,  Soichiro Nagamochi ,  Souta Takeuchi ,  Takuya Hatsui ,  Shuichi Tamatsukuri

IPC: B41J2/045 ,  B41J2/14 ,  B41J2/16

CPC classification number: B41J2/04511 ,  B41J2/14129 ,  B41J2/1603 ,  B41J2/1626 ,  B41J2/1639

Abstract: Even if electrostatic discharge occurs, dielectric breakdown of an insulating layer for covering an element on a base substrate is inhibited. A substrate for an ink jet recording head includes: a base substrate including an element configured to apply energy for ejecting ink to ink and an insulating protective layer for covering the element; an ejection orifice forming member including an insulating first member for forming an ink flow path for supplying ink to the element and a second member including an ejection orifice surface having ejection orifices provided therein; and a columnar conductive member extending between the second member and the base substrate in a direction intersecting the ejection orifice surface.

公开(公告)号：US20140184700A1

公开(公告)日：2014-07-03

申请号：US14138295

申请日：2013-12-23

Applicant: CANON KABUSHIKI KAISHA

Inventor： Makoto Sakurai ,  Yuzuru Ishida ,  Takuya Hatsui

IPC: B41J2/14

CPC classification number: B41J2/0451 ,  B41J2/0458 ,  B41J2/14129 ,  B41J2/1603 ,  B41J2/1628 ,  B41J2/1629 ,  B41J2/1631 ,  B41J2/1642 ,  B41J2/1646 ,  B41J2002/14387

Abstract: There are provided a substrate for an inkjet head and an inkjet head wherein in a case where a protection layer of heating resistors is energized, an electrical connection with portions around the protection layer is more reliably cut. A first protection layer provided for the substrate for an inkjet head includes individual sections provided at positions corresponding to the plurality of heating resistors and a common section which commonly connects the plurality of individual sections. The individual sections and the common section are connected via connect sections which are eluted and connect in a case where an electrochemical reaction occurs between the connect sections and ink when electricity flow therethrough, so that an electrical connection between the individual sections and the common section is cut.

Abstract translation: 提供了一种用于喷墨头和喷墨头的基​​板，其中在加热电阻器的保护层通电的情况下，与保护层周围的部分的电连接更可靠地切割。 为喷墨头提供的第一保护层包括设置在与多个加热电阻相对应的位置处的各个部分和共同连接多个单独部分的公共部分。 单个部分和公共部分通过连接部分连接，连接部分在电连通部分和电流通过之间的墨水之间发生电化学反应的情况下被洗脱和连接，使得各部分和公共部分之间的电连接是 切。

公开(公告)号：US20130314474A1

公开(公告)日：2013-11-28

申请号：US13898332

申请日：2013-05-20

Applicant: CANON KABUSHIKI KAISHA

Inventor： Takeru Yasuda ,  Takuya Hatsui ,  Makoto Sakurai ,  Soichiro Nagamochi ,  Souta Takeuchi ,  Yuzuru Ishida ,  Kazuaki Shibata

IPC: B41J2/14

CPC classification number: B41J2/14129

Abstract: The reduction in reliably of a liquid discharge head due to the dissolution of a protective layer is suppressed. A substrate for a liquid discharge head includes a base substrate, a heat-generating resistive layer placed on the base substrate, a pair of lines placed on the base substrate, and a protective layer covering the heat-generating resistive layer and the lines. The protective layer contains a material represented by the formula SixCyNx, where x+y+z=100, 30≦x≦59, y≧5, and z≧15 on an atomic percent basis.

Abstract translation: 抑制由于保护层的溶解导致的液体排出头的可靠性的降低。 用于液体排出头的基板包括基底基板，放置在基底基板上的发热电阻层，放置在基底基板上的一对线以及覆盖发热电阻层和线的保护层。 保护层包含由式SixCyNx表示的材料，其中x + y + z =100,30≤x= 59，y> = 5，z> = 15。

公开(公告)号：US11161351B2

公开(公告)日：2021-11-02

申请号：US16573548

申请日：2019-09-17

Applicant: CANON KABUSHIKI KAISHA

Inventor： Masataka Kato ,  Takuya Hatsui ,  Souta Takeuchi ,  Masaya Uyama ,  Toru Nakakubo ,  Tomohiro Takahashi

IPC: B41J2/235 ,  B41J2/305 ,  B41J2/03 ,  B41J2/14 ,  B41J2/16

Abstract: A liquid ejection head is provided with a recording element substrate, and the recording element substrate includes an ejection port member, an electric wiring layer including a pressure generating element array and electric connection portions, and a silicon substrate including the ejection port member and the electric wiring layer on a front surface. The silicon substrate includes a first through hole and a second through hole that protrude the electric connection portions. The rear surface of the silicon substrate is a (100) surface. An extension line of a side extending along the [110] direction, out of sides of the opening of the first trough hole and an extension line of a side extending along the [110] direction, out of sides of the opening of the second through hole are displaced from each other in a direction orthogonal to the [110] direction.

公开(公告)号：US11135838B2

公开(公告)日：2021-10-05

申请号：US16422342

申请日：2019-05-24

Applicant: CANON KABUSHIKI KAISHA

Inventor： Takuya Hatsui ,  Souta Takeuchi ,  Masataka Kato ,  Masaya Uyama ,  Toru Nakakubo ,  Tomohiro Takahashi

IPC: B41J2/14 ,  B41J2/175 ,  B41J2/16

Abstract: A liquid ejection head including an element substrate including an ejection port, an energy generating element generating energy to eject a liquid from the ejection port, and a terminal electrically connected to the energy generating element, and an electric connection member connected to the terminal and that supplies electric power to the energy generating element. The element substrate includes a hole portion drilled from a surface of the element substrate opposite a surface of the element substrate in which the ejection port is provided to the terminal. A sealing member is provided inside the hole portion, the sealing member covering a connection portion. The liquid ejection head further includes a fixing member in contact with the surface of the element substrate in which the ejection port is formed, the fixing member being provided at a position corresponding to the hole portion.

公开(公告)号：US10040285B2

公开(公告)日：2018-08-07

申请号：US15229486

申请日：2016-08-05

Applicant: CANON KABUSHIKI KAISHA

Inventor： Masaki Oikawa ,  Yoshihiro Hamada ,  Takuya Hatsui ,  Makoto Sakurai ,  Takeru Yasuda

IPC: B41J2/14

Abstract: A liquid ejection head, including: a flow path forming member including a resin layer having an ejection orifice and a flow path formed therein; a substrate including a heat-generating resistance element for ejecting liquid and a protective layer having a portion for covering the heat-generating resistance element, a surface of the portion being exposed to the flow path; and an intermediate layer formed between the resin layer and the protective layer, the intermediate layer including a silicon carbonitride material.

公开(公告)号：US09085143B2

公开(公告)日：2015-07-21

申请号：US14138344

申请日：2013-12-23

Applicant: CANON KABUSHIKI KAISHA

Inventor： Yuzuru Ishida ,  Makoto Sakurai ,  Takuya Hatsui

IPC: B41J2/05 ,  B41J2/14 ,  B41J2/045

CPC classification number: B41J2/14088 ,  B41J2/0451 ,  B41J2/04513 ,  B41J2/0458 ,  B41J2/14072 ,  B41J2/1412 ,  B41J2/14129

Abstract: A substrate for an inkjet print head comprises: a base; a plurality of heating resistors for heating ink, the heating resistors being disposed on the base and producing heat in a case where the heating resistors are energized; a first protection layer disposed on the heating resistors and having insulation properties; and a second protection layer disposed on the first protection layer and having conductivity. The second protection layer includes individual sections disposed to individually cover the plurality of heating resistors, a common section connecting the individual sections, and connection sections interposed between the individual sections and the common section and connecting the individual sections and the common section. The connection sections are disposed at positions to be in contact with ink, and include a material which changes to an insulating film by an electrochemical reaction with the ink.

Abstract translation: 用于喷墨打印头的基底包括：基底; 多个用于加热墨的加热电阻器，在加热电阻器通电的情况下，加热电阻器设置在基座上并产生热量; 设置在所述加热电阻器上并具有绝缘性能的第一保护层; 以及设置在第一保护层上并具有导电性的第二保护层。 第二保护层包括设置成单独覆盖多个加热电阻器的单独部分，连接各个部分的公共部分和插入在各个部分和公共部分之间的连接部分，并且连接各个部分和公共部分。 连接部设置在与油墨接触的位置，并且包括通过与油墨的电化学反应而变为绝缘膜的材料。

公开(公告)号：US08721048B2

公开(公告)日：2014-05-13

申请号：US13898332

申请日：2013-05-20

Applicant: Canon Kabushiki Kaisha

Inventor： Takeru Yasuda ,  Takuya Hatsui ,  Makoto Sakurai ,  Soichiro Nagamochi ,  Souta Takeuchi ,  Yuzuru Ishida ,  Kazuaki Shibata

IPC: B41J2/05

CPC classification number: B41J2/14129

Abstract: The reduction in reliably of a liquid discharge head due to the dissolution of a protective layer is suppressed. A substrate for a liquid discharge head includes a base substrate, a heat-generating resistive layer placed on the base substrate, a pair of lines placed on the base substrate, and a protective layer covering the heat-generating resistive layer and the lines. The protective layer contains a material represented by the formula SixCyNx, where x+y+z=100, 30≦x≦59, y≧5, and z≧15 on an atomic percent basis.

Abstract translation: 抑制由于保护层的溶解导致的液体排出头的可靠性的降低。 用于液体排出头的基板包括基底基板，放置在基底基板上的发热电阻层，放置在基底基板上的一对线以及覆盖发热电阻层和线的保护层。 保护层含有由式SixCyNx表示的材料，其中x + y + z = 100,30和nlE; x＆lt; lE; 59，y≥5，z≥15。

公开(公告)号：US11027548B2

公开(公告)日：2021-06-08

申请号：US16452162

申请日：2019-06-25

Applicant: CANON KABUSHIKI KAISHA

Inventor： Souta Takeuchi ,  Takuya Hatsui ,  Masataka Kato ,  Masaya Uyama ,  Toru Nakakubo ,  Tomohiro Takahashi

IPC: B41J2/14

Abstract: A liquid ejection head includes an ejection port member that includes an ejection port that ejects a liquid, an energy generating element that generates energy for ejecting the liquid from the ejection port, a terminal electrically connected to the energy generating element, and a substrate portion that supports the ejection port member, the energy generating element, and the terminal. The terminal is connected to a wire member that supplies electric power that drives the energy generating element to the energy generating element, the substrate portion includes a hole portion formed from a surface of the substrate portion on a side opposite to a surface of the substrate portion on which the terminal is provided to a surface where the terminal is exposed, and an area of the surface where the terminal is exposed is smaller than an area of an opening of the hole portion.