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    • 82. 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。