Canon Kabushiki Kaisha

Caron Kabushiki Kaisha

Ken Ikegame

Hiroaki Mihara

Junji Tatsumi

Shuji Koyama

Yohei Hamade

Isamu Horiuchi

Satoshi Tsutsui

Hiroyuki Ishinaga

Yasunori Takei

Haruhiko Terai

Etsuko Sawada

Hyou Takahashi

Hyo Takahashi

Toshio Kashino

Yoshiaki Suzuki

Hiroyuki Sugiyama

Masashi Miyagawa

Torachika Osada

Genji Inada

Masami Kasamoto

Masako Shimomura

Kenji Yabe

Kazunari Ishizuka

Shigeki Fukui

Takuma Kodoi

Miki Ito

Miho Ishii

Masami Ikeda

Kenji Fujii

Shuichi Murakami

Junichi Kobayashi

Keiichiro Tsukuda

Hiroshi Sugitani

Hiromichi Noguchi

Kazuaki Masuda

Akira Goto

Hiroshi Koshikawa

Shoji Shiba

Takashi Saito

Yasushi Iijima

Yasuto Kodera

Shingo Nagata

Shin Ishimatsu

Toshinori Hasegawa

Masaki Ohsumi

Masao Furukawa

Masafumi Takimoto

Akira Tsujimoto

Hiroshi Inomata

Hirofumi Ota

Yu Katano

Nobuhisa Tanahashi

A liquid storage body includes: a bag part being flexible and configured to store a liquid therein; a liquid outlet part attached to a first end portion of the bag part and configured to discharge to a liquid jetting apparatus stored the liquid in the bag part; and a channel part disposed inside the bag part and configured to let the liquid flow to the liquid outlet part, in which both ends of the channel part are connected to the liquid outlet part, a first area of the channel part is located near a second end portion of the bag part located farthest from the first end portion, and the channel part has a liquid inlet portion through which to take the liquid inside the bag part into the channel part.

Liquid storage body and liquid jetting apparatus

The object is to provide a liquid container that can prevent foreign substances from flowing into a liquid ejection apparatus with a simple configuration. The liquid container for containing liquid to be ejected by a liquid ejection apparatus includes: a bag body configured to contain the liquid inside; and a flow path for supplying the liquid contained inside the bag body to the liquid ejection apparatus, wherein, inside a peripheral wall of the flow path, a first capturing unit extending in an anti-gravitational direction and a second capturing unit extending in a gravitational direction are arranged at different positions with respect to a direction in which the liquid flows.

Liquid container

Provided is a liquid storage pack including: a flat flexible bag member storing a liquid to be supplied to a liquid ejection apparatus; and a spacer member provided inside the bag member. The spacer member has an outer shape that is symmetrical with respect to a predetermined reference plane, and is disposed such that, in a state where the bag member is fully filled with the liquid, the reference plane is offset from a center plane of the bag member in a thickness direction of the bag member, the center plane passing a center of the bag member in the thickness direction and being perpendicular to the thickness direction. This liquid storage pack can stably supply the liquid therein at a uniform concentration.

Liquid storage pack

A method of detecting an organic residue is provided. The method comprises a step of bringing a liquid A into contact with a surface of a base material; a step of measuring the contact angle (i) of a liquid B on the surface with which the liquid A came into contact; a step of heating and drying the base material; a step of measuring the contact angle (ii) of the liquid B on the dried surface; and a step of comparing the contact angle (i) with the contact angle (ii).

Organic residue inspecting method and liquid discharge head producing method

A method for manufacturing a liquid ejection head includes forming a water-repellent layer containing a condensate of a first hydrolyzable silane compound and a second hydrolyzable silane compound, and irradiating the water-repellent layer with light including a light ray having a wavelength of less than 270 nm, wherein the first hydrolyzable silane compound contains a fluorine-containing group but no carbonyl group between the fluorine-containing group and a silicon atom, and the second hydrolyzable silane compound contains a fluorine-containing group and a carbonyl group between the fluorine-containing group and a silicon atom.

Method for manufacturing liquid ejection head having a water-repellent layer at the ejection surface

A liquid discharge head provided with a member having discharge ports formed configured to discharge liquid thereon, wherein a discharge port surface of the member having discharge ports arrayed thereon includes fumed silica.

Liquid discharge head and method of manufacturing the same

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.

Liquid-ejecting head and method of manufacturing the liquid-ejecting head

A composition includes a photoacid generator and a fluorine-containing epoxy resin that is a polymer of monomers that include an acrylic monomer (a) having a perfluoropolyether group having 9 or more carbon atoms and an acrylic monomer (b) having an epoxy group in a composition ratio such that a number of acrylic functional groups derived from the acrylic monomer (b) is larger than a number of acrylic functional groups derived from the acrylic monomer (a).

Composition, method for producing film with the composition, and method for producing liquid discharge head

A manufacturing method for a liquid ejection head including: a substrate; an ejection orifice forming member having an ejection orifice on the substrate; and a surface layer having a recess that has a bottom portion communicating with the ejection orifice and an opening held in contact with an outside and having a width larger than a width of the ejection orifice, the surface layer being formed on the forming member, the method including: forming a first resin layer serving as the forming member by applying a negative photosensitive resin composition A onto the substrate; forming a second resin layer as the surface layer by applying a negative photosensitive resin composition B having sensitivity lower than sensitivity of the composition A onto the first resin layer; subjecting the first and the second resin layers to pattern exposure collectively; and subjecting the first and the second resin layers to development collectively.

Liquid ejection head and manufacturing method for the same

A process for producing a liquid ejection head having a substrate and an ejection orifice forming member having an ejection orifice for ejecting liquid, including forming, on the substrate, a photocationically polymerizable resin layer which includes a photocationically polymerizable resin material and becomes the ejection orifice forming member; laminating, on the uncured photocationically polymerizable resin layer, a layer containing a condensation product of a hydrolyzable silane compound having a cationically polymerizable epoxy group and a hydrolyzable silane compound having a fluorine-containing group; laminating a water-repellent layer including a hydrolyzable silane compound having a perfluoropolyether group on the condensation-product-containing layer; subjecting the photocationically polymerizable resin layer, condensation-product-containing layer, and water-repellent layer to pattern exposure; collectively curing exposed portions of the photocationically polymerizable resin layer, condensation-product-containing layer, and water-repellent layer; and removing non-exposed portions of the photocationically polymerizable resin layer, condensation-product-containing layer, and water-repellent layer to form the ejection orifice.

Process for producing a liquid ejection head

Provided is an ink jet recording head, including a member provided with an ejection orifice for ejecting ink, in which the ink jet recording head further includes a water-repellent layer including a cured product of a condensed product obtained by condensation of a hydrolyzable silane compound having an epoxy group and a hydrolyzable silane compound having a perfluoropolyether group on a surface of the member on a side on which the ejection orifice opens.

Ink jet recording head

Ink jet recording head and manufacturing method therefor

A photosensitive resin composition includes a cationically polymerizable compound, a photoacid generating agent having an anion portion and a cation portion, and a salt having a cation portion having either one of a quaternary ammonium structure and a quaternary phosphonium structure and an anion portion, wherein the anion portion of the salt is exchanged with the anion portion of a first acid derived from the anion portion of the photoacid generating agent to form a second acid having acid strength that is lower than acid strength of the first acid.

Negative photosensitive resin composition, pattern formation method, and liquid discharge head

Provided is a method of water repellent treatment for a pattern surface, the method including the steps of agitatingly mixing a perfluoropolyether-group-containing silane water repellent, an organic acid, a fluorine-containing solvent capable of dissolving the perfluoropolyether-group-containing silane water repellent and the organic acid, and water to hydrolyze the perfluoropolyether-group-containing silane water repellent, thereby obtaining a partial hydrolysate solution; forming a photosensitive resin layer on a substrate; applying the partial hydrolysate solution onto the photosensitive resin layer to form a water-repellent film; performing patterning exposure to the photosensitive resin layer and the water-repellent film; performing heat treatment to collectively cure an exposed portion of the photosensitive resin layer and the water-repellent film; and removing a non-exposed portion of the photosensitive resin layer and the water-repellent film by development treatment to form a pattern.

Method of water repellent treatment for pattern surface

Growing community of inventors

Atsugi, Japan

Ken Ikegame