Canon Kabushiki Kaisha

Kabushiki Kaisha Toshiba

Satoshi Kimura

Kyosuke Toda

Yukuo Yamaguchi

Naoko Tsujiuchi

Satoshi Oikawa

Takuya Iwano

Mikiya Umeyama

Yasushi Iijima

Kiyomitsu Kudo

Hiromasa Amma

Shingo Okushima

Yuichiro Akama

Tomotsugu Kuroda

Yosuke Takagi

Kengo Umeda

Sayaka Seki

Yasuo Kotaki

Wataru Takahashi

Koichi Kubo

Hiroshi Koshikawa

Tatsuo Nanjo

Kenta Udagawa

Naozumi Nabeshima

Genji Inada

Kazuya Yoshii

Soji Kondo

Shigeki Fukui

Masafumi Seki

Kenji Kitabatake

Yumi Komamiya

Tatsurou Mori

Masaru Iketani

Toru Nakakubo

Masataka Sakurai

Chiaki Muraoka

Satoshi Kudo

Akira Yamamoto

Kiichiro Takahashi

Yutaka Koizumi

Ryo Kasai

Takatoshi Nakano

Masaki Oikawa

Akiko Maru

Keisuke Matsuo

Hiroshi Yamada

Torachika Osada

Tsukasa Doi

Yuji Tamaru

Hikaru Watanabe

Shimpei Yoshikawa

Takuma Kodoi

Yasuhiko Osaki

Yasushi Iseki

Atsushi Omura

Junji Tatsumi

Naruyuki Nojo

Takamitsu Tokuda

Katsushi Hanawa

Hirotomo Taniguchi

Naoki Nakajo

Kazuhiro Idogawa

Kousuke Nakahata

Takuya Hane

Shinji Hanada

A flexible printed circuit board whose end part side is connected to a print element substrate capable of ejecting ink using a print element, so as to be capable of transmitting a signal from a control part of a printing apparatus to the print element substrate via wiring and to be capable of transmitting a signal from the print element substrate to the control part via the wiring, wherein a side part side of high-potential wiring includes at least one of a regulation part that regulates penetration of ink and a wiring part that is configured with low-potential ground wiring and low-potential liquid signal line whose signal value transmitted by the control part or operation based on a signal is monitored.

Flexible printed circuit board and print head

A liquid ejection head includes a liquid ejection part configured to eject a liquid; and a guide part provided upstream of the liquid ejection part with respect to a conveying direction of a recording medium and configured to guide the front end of the recording medium conveyed to the liquid ejection part. The guide part has an inclined surface inclined so as to be more spaced apart from a conveyance path for the recording medium as the inclined surface is more distant from the liquid ejection part.

Liquid ejection head and liquid ejection apparatus

A liquid ejection head including a recording element substrate for ejecting liquid supported by a support member with an adhesive layer provided between the recording element substrate and the support member. A terminal is provided at an end portion of the recording element substrate with a sealing member covering the end portion of the recording element substrate including the terminal. The sealing member is in contact with a side surface of the end portion and an end surface of the adhesive layer. The adhesive layer comprises includes a first adhesive portion and a second adhesive portion positioned between the first adhesive portion and the sealing member. Rigidity of the second adhesive portion is less than the rigidity of the sealing member and less than the rigidity of the first adhesive portion.

Liquid ejection head

A maintenance apparatus that prevents a reduction in image quality of an image recorded by a liquid discharge head is provided. A maintenance apparatus includes an application unit configured to come into contact with a discharge surface included in a recording head and apply a cleaning liquid to the discharge surface, wherein discharge ports configured to discharge a liquid are formed on the discharge surface, a suction unit configured to suction the discharge surface, a movement unit configured to move the suction unit relative to the recording head, and a control unit configured to execute a first cleaning mode where, after the application unit applies the cleaning liquid, the suction unit suctions the discharge surface.

Maintenance apparatus, recording apparatus, and control method

A liquid discharge head includes a recording element substrate including a discharge port. A channel member is configured to supply the recording element substrate with a liquid. An electric wiring board is configured to supply the recording element substrate with power. A plate-like protective member is directly or indirectly fixed to the channel member. In a case where a direction in which the recording element substrate is viewed from the channel member is defined as downward, the protective member includes a first bent portion configured to be bent in a transverse direction of the liquid discharge head. The first bent portion is located at a position that is above an upper end of the channel member and below a midpoint of a line segment connecting the upper end of the channel member and an upper end of the protective member.

Liquid discharge head and recording apparatus

A resin molding method includes a first molding step, a sliding step, a second molding step and a mold opening step. In the first molding step, first molded part supported in a fixed mold and a second molded part supported in a die slide mold are molded in different positions in a second direction. In the sliding step, the movable mold is removed in a first direction and the first molded part and the second molded part are aligned by the die slide mold is moved in the second direction. In the second molding step, the movable mold is clamped again with the fixed mold and resin is injected into engaged portions. Each of the first molded part and the second molded part includes at least one wall extending in the first direction, and in the second molding step, the first molded part and the second molded part are engaged with each other at sides of the walls extending in the first direction.

Resin molding method

A print element board includes a surface provided with a first side and a plurality of terminals arranged along the first side near the first side, in which an angle at a first peak located at a first end of the first side is smaller than an angle at a second peak located at a second end of the first side, and a printing element electrically connected with the terminals for recording. A distance between the first peak and a first terminal disposed closest to the first peak is longer than a distance between the second peak and a second terminal disposed closest to the second peak.

Print element board, liquid ejection head, and liquid ejection apparatus

There is provided a liquid supply member capable of suppressing deformation of a liquid supply path and decrease in sealing property of a liquid supply path, during molding, and a manufacturing method of the liquid supply member. For that purpose, in die-slide injection molding that combines two components, a protection portion that protects a part of one component easily affected by heat and pressure, is provided on the other component.

Liquid supply member and manufacturing method of liquid supply member

There is provided a manufacturing method of a liquid supply member capable of suppressing decrease in sealing property of a liquid supply path and deformation of the liquid supply path or the external shape. For that purpose, a manufacturing process of a liquid supply member prevents inflow of a molten resin into a concave portion of a portion other than a liquid supply flow path in a liquid supply member.

Manufacturing method of liquid supply member

A molded part including a first member having a plurality of openings and a second member contacting with a peripheral edge of each of the plurality of openings so as to cover the openings, and having a hollow portion formed by sealing the contact portion with a sealing material, wherein: the second member defines a flow channel for filling the sealing material between the first member and the second member; the second member has a branched shape in which sections corresponding to positions covering the plurality of openings are branched from each other, and portions near a gate of the flow channel are connected as a common section; and the branched shape has a bridge structure for connecting the respective branched sections.

Molded part, manufacturing method of molded part and mold

A liquid ejection head is capable of performing high-speed ejection operation as well as reducing a depth dimension. For this purpose, in a configuration in which flexible circuits electrically connect element substrates to electrical substrates, the electrical substrates are arrayed in two lines along a plane different from a plane on which the element substrates are arrayed and the flexible circuits electrically connect the element substrates to the electrical substrates while being bent.

Liquid ejection head and inkjet printing apparatus

A liquid ejection head includes a recording element substrate which ejects a liquid downward; an electric substrate which is disposed above the recording element substrate, which has a plurality of electric components, including a capacitor, and which is electrically connected to the recording element substrate; a wall which covers the electric substrate such that a liquid can be retained between the wall and the electric substrate; and a sensor which is disposed in an area covered by the wall and which detects for the presence of a liquid. In the attitude of the liquid ejection head as attached to the main unit of a liquid ejection apparatus, the sensor is disposed below the capacitor in a vertical direction.

There is provided a manufacturing method for molding a liquid supply member by using a first mold and a second mold. The method includes a first molding step of performing injection molding to form a first component part of the liquid supply member and a plurality of component parts of the liquid supply member other than the first component part at different positions from each other, with the first and the second mold closed relative to each other, a contacting step of moving each of the formed plurality of component parts relatively to the first component part to bring the formed first component part into contact with the formed plurality of component parts, with the first and the second mold opened relative to each other, and a second molding step of performing injection molding to join the first component part and the plurality of component parts.

Method for manufacturing liquid supply member

An inkjet print head includes an ejection module having a printing element substrate that ejects ink to a print medium and a flexible wiring substrate electrically connected to the printing element substrate; and a member for supporting the ejection module by joining, wherein the flexible wiring substrate has a capacitor, a periphery of the capacitor being covered with a sealing agent, and the capacitor is provided in a recess formed on the member.

Inkjet print head and inkjet printing apparatus

Growing community of inventors

Kawasaki, Japan

Satoshi Kimura