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11. 发明申请

US20170021621A1 LIQUID DISCHARGE HEAD 有权
标题翻译：液体放电头
公开(公告)号：US20170021621A1
公开(公告)日：2017-01-26
申请号：US15215044
申请日：2016-07-20
申请人： CANON KABUSHIKI KAISHA
发明人： Yoshihiro Hamada , Masaki Oikawa , Hiroshi Yamada , Atsushi Omura , Takuma Kodoi , Tomotsugu Kuroda , Tomoyuki Tenkawa , Monta Matsui
IPC分类号： B41J2/14
CPC分类号： B41J2/1433 , B41J2/14016 , B41J2/1404 , B41J2/14145 , B41J2/14201 , B41J2002/14419 , B41J2202/07
摘要： A liquid discharge head includes a print element substrate provided with discharge ports, through which liquid is discharged; and a support member having a liquid chamber, which is provided with a communicating opening that communicates with the discharge ports, wherein the liquid chamber has a first surface provided with the communicating opening, and a second surface facing the first surface, the second surface is provided with a buffer chamber, which is a hollow space for storing gas, and the buffer chamber has, in the second surface, an opening having a projecting portion projecting toward the inner side of the opening.
摘要翻译：液体排出头包括设置有排出口的打印元件基板，液体通过该排出口排出; 以及具有液体室的支撑构件，其设置有与排出口连通的连通开口，其中所述液体室具有设置有所述连通开口的第一表面和面向所述第一表面的第二表面，所述第二表面是设置有缓冲室，该缓冲室是用于储存气体的中空空间，缓冲室在第二表面中具有一个开口，该开口具有向开口内侧突出的突出部分。

12. 发明申请

US20160339700A1 LIQUID EJECTING HEAD, EJECTING ELEMENT SUBSTRATE AND LIQUID EJCTING APPARATUS 有权
标题翻译：液体喷射头，喷射元件基板和液体喷射装置
公开(公告)号：US20160339700A1
公开(公告)日：2016-11-24
申请号：US15155590
申请日：2016-05-16
申请人： CANON KABUSHIKI KAISHA
发明人： Takuma Kodoi , Keiji Tomizawa
IPC分类号： B41J2/14
CPC分类号： B41J2/14112 , B41J2/1404 , B41J2/145
摘要： There are provided a liquid ejecting head, an ejecting element substrate and a liquid ejecting apparatus that can suppress degradation in print quality. Therefore in an ejecting element substrate arranged the closest to the center of a support member, a flow resistance of a flow passage corresponding to an ejection opening of an ejection opening array arranged the closest to the center of the ejecting element substrate is made high.
摘要翻译：提供了可以抑制打印质量下降的液体喷射头，喷射元件基板和液体喷射装置。因此，在布置成最靠近支撑构件的中心的排出元件基板中，与排列在最靠近排出元件基板的中心的排出开口排列的喷射口相对应的流动通道的流动阻力高。

13. 发明申请

US20150210077A1 LIQUID EJECTION HEAD, LIQUID EJECTION APPARATUS, AND METHOD OF MANUFACTURING LIQUID EJECTION HEAD 有权
标题翻译：液体喷射头，液体喷射装置及制造液体喷射头的方法
公开(公告)号：US20150210077A1
公开(公告)日：2015-07-30
申请号：US14606895
申请日：2015-01-27
申请人： CANON KABUSHIKI KAISHA
发明人： Keiji Tomizawa , Takuma Kodoi , Takuya Iwano
IPC分类号： B41J2/14 , B41J2/16
CPC分类号： B41J2/14201 , B41J2/14024 , B41J2/14072 , B41J2/1603 , B41J2/1607 , B41J2/1623 , Y10T29/49117
摘要： A liquid ejection head including: a recording element substrate provided with an element;an electric wiring substrate having a bent portion, a connecting portion provided on one side of the bent portion and connected with the recording element substrate, and an input portion provided on the other side of the bent portion; anda housing having a first surface, a second surface, a depression provided on the second surface, and a member separated from a bottom surface of the depression and extending into an opening of the depression, whereinpart of the other side of the electric wiring substrate is disposed between the bottom surface of the depression and the member.
摘要翻译：一种液体喷射头，包括：设置有元件的记录元件基板; 具有弯曲部的电布线基板，设置在所述弯曲部的一侧并与所述记录元件基板连接的连接部以及设置在所述弯曲部的另一侧的输入部; 以及具有第一表面，第二表面，设置在第二表面上的凹陷的壳体，以及与凹陷的底面分离并延伸到凹陷的开口中的构件，其中电线的另一侧的一部分衬底设置在凹陷的底表面和构件之间。

14. 发明申请

US20130286098A1 LIQUID DISCHARGE HEAD AND METHOD OF MANUFACTURING THE SAME 审中-公开
标题翻译：液体放电头及其制造方法
公开(公告)号：US20130286098A1
公开(公告)日：2013-10-31
申请号：US13864684
申请日：2013-04-17
申请人： CANON KABUSHIKI KAISHA
发明人： Kenji Yabe , Yasunori Takei , Takuma Kodoi , Ken Ikegame , Isamu Horiuchi , Hyo Takahashi
IPC分类号： B41J2/14 , B41J2/16
CPC分类号： B41J2/1433 , B41J2/1404 , B41J2/1603 , B41J2/1621 , B41J2/1626 , B41J2/1631 , B41J2/1639 , B41J2002/14403 , Y10T29/49401
摘要： Provided is a liquid discharge head including: a discharge port that serves to discharge a liquid; a discharge energy generating element that generates energy used to discharge the liquid; a foam chamber that houses the discharge energy generating element and is communicated with the discharge port; and a flow channel that is communicated with the foam chamber and serves to supply the liquid to the foam chamber. An inclined surface is formed between: a side wall of the foam chamber on a side opposite to the flow channel; and a surface of the foam chamber on which the discharge port is formed, and the inclined surface is inclined to a plane on which the discharge energy generating element is formed.
摘要翻译：提供一种排液头，包括：用于排出液体的排出口; 放电能量产生元件，其产生用于排出液体的能量; 泡沫室，容纳排放能量产生元件并与排出口连通; 以及与泡沫室连通并用于将液体供应到泡沫室的流动通道。倾斜表面形成在：与流动通道相对的一侧的泡沫室的侧壁之间; 以及其上形成有排出口的泡沫室的表面，并且倾斜表面与形成有排出能量产生元件的平面倾斜。

15. 发明授权

US10538084B2 Ink ejection head 有权
公开(公告)号：US10538084B2
公开(公告)日：2020-01-21
申请号：US16023339
申请日：2018-06-29
申请人： CANON KABUSHIKI KAISHA
发明人： Takuma Kodoi , Takuya Iwano , Takamitsu Tokuda
IPC分类号： B41J2/14 , B41J2/045 , B41J2/15
摘要： A liquid ejection head includes an element substrate for ejecting a liquid, an integrated circuit board outputting a control signal for controlling the element substrate, and an electrical wiring board connected electrically to the element substrate. The electrical wiring board has a signal line connector to which control signals are inputted and electrical wiring board connectors to which an electric signal for driving the liquid ejection head is inputted. The signal line connector and the electrical wiring board connectors are disposed on opposite sides to each other relative to a center line extending orthogonally to a longitudinal direction of the electrical wiring board.

16. 发明申请

US20190009533A1 INK EJECTION HEAD 审中-公开
公开(公告)号：US20190009533A1
公开(公告)日：2019-01-10
申请号：US16023339
申请日：2018-06-29
申请人： CANON KABUSHIKI KAISHA
发明人： Takuma Kodoi , Takuya Iwano , Takamitsu Tokuda
IPC分类号： B41J2/14 , B41J2/045 , B41J2/15
CPC分类号： B41J2/14 , B41J2/04541 , B41J2/04586 , B41J2/15 , B41J2/175 , B41J2002/14362 , B41J2002/14491
摘要： A liquid ejection head includes an element substrate 10 for ejecting a liquid, an integrated circuit board 14 outputting a control signal for controlling the element substrate, and an electrical wiring board 11 connected electrically to the element substrate. The electrical wiring board 11 has a signal line connector 25 to which control signals are inputted, electrical wiring board connectors 22-24 to which electric signal for driving the liquid ejection head is inputted. The signal line connector 25 and the electrical wiring board connectors 22-24 are disposed on opposite sides to each other relative to a center line C extending orthogonally to a longitudinal direction of the electrical wiring board 11.

17. 发明授权

US09731503B2 Liquid discharge head and liquid discharge apparatus using the same 有权
公开(公告)号：US09731503B2
公开(公告)日：2017-08-15
申请号：US13867631
申请日：2013-04-22
申请人： CANON KABUSHIKI KAISHA
发明人： Takuma Kodoi , Keiji Tomizawa , Chiaki Muraoka
IPC分类号： B41J2/165 , B41J2/14 , B41J2/16
CPC分类号： B41J2/14 , B41J2/1404 , B41J2/14129 , B41J2/1603 , B41J2/1628
摘要： A liquid discharge head includes a substrate having an element that discharges liquid by generating thermal energy to generate an air bubble in the liquid, and a liquid supply port for supplying the liquid to the element, and a flow path forming assembly including a flow path forming member having a discharge port for discharging the liquid and, between the substrate and the flow path forming member, a pressure chamber including the element disposed adjacent thereto and a flow path causing the pressure chamber and the liquid supply port to communicate with each other. In addition, an interlayer is provided on a joining portion of the substrate and the flow path forming member and provided so as to protrude from between the substrate and the flow path forming member into the flow path, and a protection layer including metal is formed so as to cover the element. The interlayer is not disposed on a boundary portion between the pressure chamber and the flow path, and the protection layer is disposed at least on the boundary portion.

18. 发明申请

US20170136769A1 LIQUID DISCHARGE HEAD 有权
公开(公告)号：US20170136769A1
公开(公告)日：2017-05-18
申请号：US15347652
申请日：2016-11-09
申请人： CANON KABUSHIKI KAISHA
发明人： Chiaki Muraoka , Keiji Tomizawa , Takuma Kodoi
IPC分类号： B41J2/14
CPC分类号： B41J2/1433 , B41J2/04541 , B41J2/0458 , B41J2/14024 , B41J2/14072 , B41J2002/14491
摘要： A liquid discharge head includes a discharge unit that discharges a liquid as a result of electric energy being supplied to the discharge unit, a first wiring member that is joined to the discharge unit and that includes a plurality of first joining terminals each capable of transmitting the electric energy to the discharge unit, and a second wiring member that is electrically joined to the first wiring member and that includes a plurality of second joining terminals. At least three of the plurality of first joining terminals are inspection terminals that are short-circuited, and the second joining terminals are connected to contact terminals to each of which an external signal can be input.

19. 发明申请

US20170021619A1 LIQUID EJECTION HEAD 审中-公开
标题翻译：液体喷射头
公开(公告)号：US20170021619A1
公开(公告)日：2017-01-26
申请号：US15196319
申请日：2016-06-29
申请人： CANON KABUSHIKI KAISHA
发明人： Takuma Kodoi
IPC分类号： B41J2/14
CPC分类号： B41J2/1433 , B41J2/14145 , B41J2202/11
摘要： Provided is a liquid ejection head, including: a liquid chamber; a supply port; and a recording element substrate arranged at a position opposed to the supply port across the liquid chamber. The liquid chamber includes: a first surface connected to the supply port; and a wall surface extending in a direction away from the recording element substrate. The wall surface includes: a space chamber connected to the first surface; and a second surface connecting a wall surface of the space chamber and the recording element substrate to each other. An intersection portion of the wall surface of the space chamber and a plane extended from the first surface is more distant from the recording element substrate than a connection portion between the wall surface of the space chamber and the second surface.
摘要翻译：提供一种液体喷射头，包括：液体室; 供应口; 以及布置在穿过液体室的与供给口相对的位置处的记录元件基板。所述液体室包括：连接到所述供给口的第一表面; 以及沿远离记录元件基板的方向延伸的壁面。所述壁面包括：连接到所述第一表面的空间室; 以及将空间室的壁面和记录元件基板彼此连接的第二表面。所述空间室的壁面与从所述第一面延伸的平面的交叉部分比所述空间室的壁面与所述第二面的连接部分远离所述记录元件基板。

20. 发明授权

US09156263B2 Liquid ejection head and method of producing the same 有权
标题翻译：液体喷射头及其制造方法
公开(公告)号：US09156263B2
公开(公告)日：2015-10-13
申请号：US14519297
申请日：2014-10-21
申请人： CANON KABUSHIKI KAISHA
发明人： Takuma Kodoi , Takuya Iwano , Keiji Tomizawa
IPC分类号： B41J2/14 , B41J2/16
CPC分类号： B41J2/1433 , B41J2/14024 , B41J2/14072 , B41J2/16 , B41J2/1603 , B41J2/1607 , B41J2/1623 , B41J2/1648 , B41J29/02 , B41J29/13 , B41J2002/14491 , Y10T29/4913
摘要： A liquid ejection head includes a recording element substrate for ejecting liquid in response to an externally supplied electrical signal; an electrical wiring board having a first and second part mutually joined via a bent portion, the first part having an electrical joint portion for supplying the signal to the substrate, the second part having an electrical signal input portion into which the signal is input and to which the joint portion is connected; and a housing having first and second surfaces mutually adjoining, the first and second surfaces respectively supporting the first and second parts. The second part is fixed to the second surface at plural first fixing positions around the input portion. The second surface has a depressed portion formed closer to the bent portion than the first fixing positions. The second part is fixed to the housing at a second fixing position inside the depressed portion.
摘要翻译：液体喷射头包括用于响应于外部供应的电信号喷射液体的记录元件基板; 电连接板，具有通过弯曲部相互连接的第一和第二部分，第一部分具有用于将信号提供给基板的电接头部分，第二部分具有输入信号的电信号输入部分，连接部分连接的; 以及具有相互邻接的第一和第二表面的壳体，所述第一表面和所述第二表面分别支撑所述第一和第二部分。第二部分在输入部分周围的多个第一固定位置固定到第二表面。第二表面具有比第一固定位置更靠近弯曲部分形成的凹陷部分。第二部分在凹陷部分内部的第二固定位置处固定到壳体。

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