Canon Kabushiki Kaisha

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Toshio Kashino

Aya Yoshihira

Takeshi Okazaki

Kiyomitsu Kudo

Yoshie Nakata

Masao Kato

Kouichi Omata

Hitoshi Tsuboi

Hiroshi Tajika

Yoshie Asakawa

Hiroyuki Ishinaga

Hiroshi Sugitani

Makiko Kimura

Satoshi Kimura

Masami Ikeda

Masahiko Kubota

Akira Tsujimoto

Tomotsugu Kuroda

Hiroyuki Sugiyama

Naoko Tsujiuchi

Masanori Takenouchi

Ryoji Inoue

Yoichi Taneya

Yuichiro Akama

Satoshi Kudo

Sadayuki Sugama

Kyosuke Toda

Tsuyoshi Orikasa

Satoshi Shimazu

Yukuo Yamaguchi

Takayuki Ono

Junji Shimoda

Yosuke Takagi

Yutaka Koizumi

Shuji Koyama

Toru Suzuki

Kimiyuki Hayasaki

Masaru Iketani

Sayaka Seki

Seiichiro Karita

Mikiya Umeyama

Akira Asai

Haruhiko Terai

Toshihiko Ujita

Akira Goto

Osamu Morita

Tadayoshi Inamoto

Takashi Saito

Isao Kimura

Shin Ishimatsu

Masaki Inaba

Hiroyuki Kigami

Hisashi Fukai

Masayoshi Ohkawa

Kazuaki Masuda

Hiroki Tajima

Chiaki Muraoka

Toshihiro Mori

Genji Inada

Yasushi Iijima

Kiyomi Aono

Suguru Taniguchi

Kouji Yamakawa

Yasuo Kotaki

Yoshiyuki Imanaka

Tsutomu Abe

Akira Nagashima

Ichiro Saito

Teruo Ozaki

Akio Saito

Hiromichi Noguchi

Yutaka Kurabayashi

Ken Tsuchii

Toshiaki Hirosawa

Akio Kashiwazaki

Masahiko Ogawa

Mineo Kaneko

Toru Yamane

Hirokazu Tanaka

Tomoyuki Hiroki

Hiroyuki Fukushima

Hiroaki Mihara

Yuko Suga

Koji Yamakawa

Aya Takaide

Masaaki Okada

Hidehisa Matsumoto

Shuichi Ide

Hajime Kishida

Toshiaki Sasaki

Kazuhiro Idogawa

Tooru Suzuki

A liquid ejection head includes: an element-substrate to eject liquid according to an electrical signal; an electrical circuit substrate to send the electrical signal; and a body including the element-substrate on a first face and the electrical circuit substrate on a second face, in which the liquid ejection head is mounted in a mount unit of a liquid ejection apparatus via an electrical connector; the body includes a pressure-receiving portion for receiving a force including components in first and second directions; the liquid ejection head includes first and second positioning portions that determine a position of the body; and the first positioning portion is arranged at both outsides of an arrangement region of the element substrate; the second positioning portion is arranged at both sides of the second face; and the pressure-receiving portion is arranged at the both sides and an intermediate portion of the body.

Liquid ejection head and liquid ejection apparatus

A liquid ejection head with high environmental reliability which suppresses a crack of a Si substrate and peeling-off of an ejection port forming member by relaxing a residual stress in a printing element substrate and a manufacturing method of a liquid ejection head are provided. For that purpose, after the printing element substrate is bonded and fixed to a support member, the support member is screwed and fixed through an elastic member.

Liquid ejection head and manufacturing method of liquid ejection head

A liquid discharging head includes a recording element substrate configured to discharge a liquid; an electric wiring substrate that is provided with a lead terminal that is connected to the recording element substrate; and a supporting member to which the electric wiring substrate is bonded. The electric wiring substrate is bonded to the supporting member with two or more types of adhesives including at least a first adhesive and a second adhesive whose volume resistivity is higher than that of the first adhesive, a bond strength of the first adhesive is higher than a bond strength of the second adhesive, and, at the supporting member, the second adhesive is applied such that the second adhesive is provided closer to the lead terminal than the first adhesive.

Liquid discharging head and method for producing the same

There are provided a liquid ejecting head and a support member that can achieve both of breakage avoidance of a print element substrate and deformation suppression of the support member. Therefore a plate thickness of an adhesion part in the support member is thinner that a plate thickness of a main surface other than the adhesion part.

Liquid ejecting head and support member

A holding member for a liquid storage container includes: a mounting portion for removably mounting the liquid storage container through an opening along a predetermined direction; and a locking member for locking the mounted liquid storage container to the mounting portion by being fitted to the liquid storage container, wherein the mounting portion has a regulating portion for regulating inclination of a posture of the liquid storage container relative to the predetermined direction at the time of mounting the liquid storage container, the regulating portion being a portion provided such that a space between an inner surface of the mounting portion and an outer surface facing thereto of the liquid storage container is partially narrowed along a direction of insertion.

Holding member for liquid storage container, liquid ejection head, and printer

A liquid ejection head includes a liquid ejection section including an element substrate having ejection ports for ejecting liquid and an electrical wiring substrate connected to a contact of the liquid ejection apparatus to transmit signals to the element substrate, a liquid tank loading section including a containing space for containing a liquid tank storing liquid to be supplied to the element substrate and a lock member having an engaging part for engaging with a holding part of the liquid tank and a fixation means for rigidly securing the liquid election section and the liquid tank loading section in position.

Liquid ejection cartridge and liquid ejection apparatus

Provided is a liquid ejection head that makes it possible to achieve both of the stability of bonding and the shortening of a bonding time when bonding an electrical wiring substrate where thick leads applied with large current and thin leads applied with small current are mixed and a printing element substrate. For this purpose, the electrical wiring substrate includes wiring lines having different widths, and each of the wiring lines of the electric wiring substrate and a connecting terminal of the printing element substrate are connected by inner leads whose number corresponds to width of the wiring line.

Liquid ejection head

There are provided a liquid ejecting head having a high fabrication efficiency and a high reliability of an electric connector, and a fabricating method for the liquid ejecting head. A direction in which a channel forming member is incorporated to a casing crosses a direction in which a flat spring is resiliently deformed. In incorporating the channel forming member, an abutment portion formed at the flat spring is allowed to abut on the casing, thus deforming the flat spring. The flat spring is brought into contact with an inside contact pad by a resilient restoring force of the flat spring.

Liquid ejecting head and fabricating method for liquid ejecting head

A liquid ejection cartridge having a liquid ejection section for ejecting liquid includes an electrical contact section to be electrically connected to a terminal section of an apparatus main body, the electrical contact section being formed by a plurality of printed substrates arranged on a same surface.

A liquid ejection head includes an ejection section for ejecting liquid; an electrical wiring substrate having terminals to be electrically connected to the respective electrical contacts of a liquid ejection apparatus; a first loading section to be loaded with a first liquid storing container; and a second loading section to be loaded with a second liquid storing container having a width greater than that of the first liquid storing container. The wall of the liquid ejection head is provided with a rib extending in the height direction on the surface opposite to the surface mounted by the electrical wiring substrate; and the second loading section and the rib are arranged at respective positions where the second loading section and the rib overlap with each other as viewed in the direction of loading the second liquid storing container in the second loading section.

A liquid ejection head includes a recording element substrate for ejecting liquid, a mounting section to be loaded with a liquid container, and a connector equipped with a contact spring capable of expanding and contracting in an axial direction to be brought into contact with a contact substrate provided on the liquid container. The axial direction of the contact spring is inclined relative to the direction of loading the liquid container in the mounting section.

Liquid ejection head, liquid ejection device and method of electrically connecting liquid ejection head and liquid container

A liquid ejection apparatus includes a liquid supply member having a plurality of liquid supply passages, a connecting surface having a plurality of connecting portions connected to the liquid supply passages, a first positioning portion configured to determine relative positions between the liquid supply passages and the connecting portions in one direction along the connecting surface, and a second positioning portion configured to determine relative positions between the liquid supply passages and the connecting portions in the one direction and an other direction perpendicular to the one direction. A first distance between centers of gravity of the first positioning portion and the connecting portion farthest from the first positioning portion is longer than a second distance between centers of gravity of the second positioning portion and the connecting portion farthest from the second positioning portion.

In the case where a slit is provided in a projection portion of an outlet plate, patterning property of a slit can be improved, and a desired slit can be formed. The present invention is a manufacturing method of a liquid ejection head including a substrate; an ejection outlet plate; a channel; and the supply ports formed between the substrate and the ejection outlet plate by joining of the ejection outlet plate onto the substrate; and a projection portion having a slit at a position facing the supply port of the ejection outlet plate, the method including the steps of: forming a first member on the substrate; forming a mold material for forming the slit between first member on the substrate; forming a second member serving as the ejection outlet plate on the mold material; forming the projection portion by removing the mold material.

Manufacturing method of liquid ejection head, liquid ejection head, and inkjet printing apparatus

A liquid ejection head includes a liquid ejection substrate having an ejection port surface, a support substrate for supporting the liquid ejection substrate, having two first positioning portions being in contact with an attaching portion, to which the liquid ejection head is attached, to determine the position of the liquid ejection head with respect to the attaching portion in a predetermined direction, and a housing for supporting the support substrate, having a second positioning portion being in contact with the attaching portion to determine the position of the liquid ejection head with respect to the attaching portion in the predetermined direction. A surface perpendicular to the ejection port surface and extending along the predetermined direction, having the second positioning portion, is disposed between two surfaces perpendicular to the ejection port surface and extending along the predetermined direction, each having one of the first positioning portions.

A liquid ejection head includes a head body configured to eject liquid, a holding portion rotatable with respect to the head body about a rotation shaft provided on the head body and configured to support the head body, and a rotation regulation portion configured to regulate the rotation of the holding portion with respect to the head body beyond an arrangement in which the holding portion, the rotation shaft, and a center of gravity of the head body aligned in a line in a direction of gravity with the head body held by the holding portion.

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Kawasaki, Japan

Kiyomitsu Kudo