Patent application number | Description | Published |
20090066771 | INK JET RECORDING HEAD UNIT AND PRODUCTION PROCESS THEREOF - In an ink jet recording head unit, on a surface of an ejection outlet surface of an ink jet recording head, a tape is applied so that a portion at the tape with a relatively high adhesiveness corresponds to an area of the ejection outlet surface with a relatively high hydrophobicity and a portion of the tape with a relatively low adhesiveness corresponds to an area of the ejection outlet surface with a relatively low hydrophobicity. | 03-12-2009 |
20110120627 | METHOD OF MANUFACTURING LIQUID DISCHARGE HEAD, AND METHOD OF MANUFACTURING DISCHARGE PORT MEMBER - There is provided a method of manufacturing a liquid discharge head having a substrate including energy generating elements, and a discharge port member which is provided with discharge ports and is joined to the substrate, thereby forming liquid flow paths communicating with the discharge ports. The method performs in this order: preparing a conductive base on which a first insulating resist and a second insulating resist for forming the discharge ports are stacked in this order; performing plating using the first resist and the second resist as masks, and forming a first plated layer; removing the second resist; performing plating on the base using the first resist as a mask, thereby forming a second plated layer so as to cover the first plated layer; removing the base and the first resist, thereby forming the discharge port member; and joining together the substrate and the discharge port member. | 05-26-2011 |
20110139330 | METHOD FOR MANUFACTURING DISCHARGE PORT MEMBER AND METHOD FOR MANUFACTURING LIQUID DISCHARGE HEAD - A method for manufacturing a discharge port member used in a liquid discharge head, comprising in the following order, preparing a substrate at least whose surface is conductive, the substrate having, formed on said surface, a first insulating resist for forming a discharge port and a second insulating resist for forming a recessed portion of a wall of a flow path, forming on surface a first plating layer by plating using said first resist and said second resist as a mask, removing said second resist, forming a second plating layer on an exposed portion of said substrate from which said second resist has been removed, said second plating layer being formed by plating using said first resist as a mask, said second plating layer forming said recessed portion of said wall, and removing said first resist to form said discharge port and removing said substrate. | 06-16-2011 |
20120107746 | METHOD FOR MANUFACTURING INKJET RECORDING HEAD - A method for manufacturing an inkjet recording includes forming a photo-cationic polymerizable resin layer containing a photo-cationic polymerizable resin material on a substrate; performing pattern exposure of the photo-cationic polymerizable resin layer to form a latent image of a fine pattern including an ejection port; forming a water repellent layer containing a water repellent material capable of forming a bond in reaction with the photo-cationic polymerizable resin material on the photo-cationic polymerizable resin layer; developing the photo-cationic polymerizable resin layer to thereby remove a non-exposed portion of the photo-cationic polymerizable resin layer and remove a water repellent layer portion corresponding to the non-exposed portion to thereby form the fine pattern; and curing the photo-cationic polymerizable resin layer by heat treatment to form a member provided with the fine pattern and promote a reaction of the photo-cationic polymerizable resin material and the water repellent material. | 05-03-2012 |
20130216958 | LIQUID-REPELLENT FILM AND PRODUCTION METHOD THEREFOR, AND FINE STRUCTURE USING THE LIQUID-REPELLENT FILM AND PRODUCTION METHOD THEREFOR - Provided are a liquid-repellent film in which the aggregation of a liquid-repellent material is suppressed and which is excellent in liquid-repellent properties and a production method therefor, and a fine structure using the liquid-repellent film and a production method therefor. The liquid-repellent film is a liquid-repellent film formed of a silane compound having a specific perfluoropolyether group and a fluorine-containing acrylic homopolymer. | 08-22-2013 |
20130307889 | INKJET PRINTING APPARATUS AND CONTROL METHOD THEREOF - There is provided an inkjet printing apparatus which can perform stable ejection also in successive printing at high speed even in a case of performing printing in use of a print head provided with an ejection opening surface having hydrophilic properties. The inkjet printing apparatus comprises an inkjet print head wherein the control unit controls the print head such that, in a case where the ejection number of the ink ejected from the print head after removing the ink on the ejection opening surface by the ink removal unit is equal to or more than a threshold, a drive energy amount that is supplied for the preliminary ejection operation is larger than a drive energy amount that is supplied for the preliminary ejection operation in a case where the ejection number is less than the threshold. | 11-21-2013 |
20130323650 | METHOD FOR MANUFACTURING LIQUID EJECTION HEAD - There is provided a method for manufacturing a liquid ejection head having a substrate and a channel-forming member having an ejection port from which a liquid is ejected, the method including forming a negative photosensitive resin layer on or above the substrate; forming a lens layer on the negative photosensitive resin layer, the lens layer having a lens; exposing the negative photosensitive resin layer through the lens to form an ejection port in the negative photosensitive resin layer; and removing the lens layer. | 12-05-2013 |
20140272725 | METHOD OF WATER REPELLENT TREATMENT FOR PATTERN SURFACE - 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. | 09-18-2014 |
20140307028 | LIQUID DISCHARGE HEAD AND METHOD OF MAKING THE SAME - A liquid discharge head includes a substrate including an energy generating element that generates energy used to discharge liquid and a discharge port member having a discharge port surface with a discharge port line including discharge ports, through which the liquid is discharged, arrayed in a first direction. The discharge port surface includes a groove portion disposed between the discharge port line and a first end of the discharge port member in a second direction intersecting the first direction. The groove portion extends along the discharge port line. The discharge port surface further includes an inclined surface disposed between an end of the discharge port line and a second end of the discharge port member in the first direction. The inclined surface is inclined toward the second end. | 10-16-2014 |
20140309329 | WATER-REPELLENT ANTIFOULING COATING MATERIAL - Provided is a water-repellent antifouling coating material including a condensation product obtained by condensing hydrolyzable silane compounds. The hydrolyzable silane compounds include (a) a hydrolyzable silane compound having a perfluoropolyether group; (b) a hydrolyzable silane compound having an epoxy group; and (c) a hydrolyzable silane compound having a fluorine-containing group other than perfluoropolyether groups. | 10-16-2014 |
20140311661 | PROCESS FOR PRODUCING A LIQUID EJECTION HEAD - 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. | 10-23-2014 |
20150060398 | PROCESS FOR PRODUCING A LIQUID EJECTION HEAD - A process for producing a liquid ejection head including a silicon substrate having a supply port to supply a liquid to a flow path, and an ejection-orifice-forming member forming the flow path between the ejection-orifice-forming member and the silicon substrate and having an ejection orifice to eject the liquid in the flow path. The process includes forming an etching protection film so as to cover the ejection-orifice-forming member; forming the supply port passing through the silicon substrate by anisotropic etching using an alkaline aqueous solution; and removing the etching protection film. The etching protection film includes an organic polymer material having a storage modulus at 80° C. of 1.0×10 | 03-05-2015 |
20150077470 | INK JET RECORDING HEAD AND MANUFACTURING METHOD THEREFOR - 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. | 03-19-2015 |