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    • 2. 发明申请
    • INK JET HEAD MANUFACTURING METHOD AND INK JET HEAD MANUFACTURED BY THE MANUFACTURING METHOD
    • 喷墨头制造方法和制造喷头制造方法
    • WO2006001532A1
    • 2006-01-05
    • PCT/JP2005/012268
    • 2005-06-27
    • CANON KABUSHIKI KAISHAOKANO, AkihikoSHIBA, ShojiISHIKURA, Hiroe
    • OKANO, AkihikoSHIBA, ShojiISHIKURA, Hiroe
    • B41J2/16
    • B41J2/1603B41J2/1631B41J2/1639B41J2/1645
    • A method of manufacturing an ink jet head includes a process of forming a photodegradable positive type resist layer on a substrate having energy generating elements, a process of forming a structure which becomes an ink flow path by exposing and developing the photodegradable positive type resist layer, a process of coating the substrate having said structure with a negative type resist layer, a process of forming ink discharge ports in the negative type resist layer, and process of forming the ink flow path by removing said structure, wherein the photodegradable positive type resist layer includes an acrylic copolymer composition, containing at least a unit obtained from (meta) acrylic ester and further containing a unit obtained from (meta) acrylic acid. The acrylic copolymer composition contains the (meta) acrylic acid unit at a proportion of 5 to 30 weigth %, and weigth average molecular weigth of the acrylic copolymer ranges from 50000 to 300000.
    • 制造喷墨头的方法包括在具有能量产生元件的基底上形成可光降解的正型抗蚀剂层的方法,通过曝光和显影可光降解的正型抗蚀剂层形成成为油墨流动路径的结构的工艺, 用负型抗蚀剂层涂布具有所述结构的基板的工艺,在负型抗蚀剂层中形成墨水排出口的工艺以及通过去除所述结构形成油墨流动路径的工艺,其中可光降解的正型抗蚀剂层 包括丙烯酸共聚物组合物,其至少含有由(甲基)丙烯酸酯获得的单元,并且还含有由(甲基)丙烯酸获得的单元。 丙烯酸类共聚物组合物含有比例为5〜30重量%的(甲基)丙烯酸单元,丙烯酸系共聚物的平均分子量优选为50000〜300000。
    • 5. 发明申请
    • LIQUID DISCHARGE HEAD MANUFACTURING METHOD
    • 液体放电头制造方法
    • WO2009078494A1
    • 2009-06-25
    • PCT/JP2008/073673
    • 2008-12-18
    • CANON KABUSHIKI KAISHASHIBA, ShojiISHIZUKA, KazunariTOMINAGA, Yasuaki
    • SHIBA, ShojiISHIZUKA, KazunariTOMINAGA, Yasuaki
    • B41J2/16B41J2/05
    • B41J2/1603B41J2/1628B41J2/1629B41J2/1631B41J2/1639B41J2/1645
    • Provided is a method for manufacturing a liquid discharge head including a flow path forming member connected to a discharge port on or above a substrate, the method including: providing a layer containing a photosensitive resin on or above the substrate; providing a mask layer that enables reduction of transmission of light with a photosensitive wavelength of the photosensitive resin, at an area on the layer containing the photosensitive resin, the area corresponding to the flow path; performing exposure for the layer containing the photosensitive resin using the mask layer to make the layer containing the photosensitive resin be a pattern having the shape of the flow path; providing a layer that becomes the flow path forming member, so as to cover the pattern; forming the discharge port at a part of the layer that becomes the flow path forming member; and forming the flow path by removing the pattern.
    • 本发明提供一种液体排出头的制造方法,该排液头包括与基板上或上方的排出口连接的流路形成部件,该方法包括:在基板上或上方设置含有感光性树脂的层; 提供掩模层,其能够在包含感光性树脂的层的与该流路对应的面积的区域上,使感光性树脂的感光波长的光的透射率降低; 使用掩模层对含有感光性树脂的层进行曝光,使含有感光性树脂的层为具有流路形状的图案; 提供成为流路形成构件的层,以覆盖图案; 在成为流路形成构件的层的一部分处形成排出口; 并通过去除图案形成流路。