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专利名称：Method of producing planographic printing
plate support
发明人：Sawada, Hirokazu, c/o Fuji Photo Film Co.,
Ltd.,Kakei, Tsutomu, c/o Fuji Photo Film Co.,Ltd.,Matsuki, Mayasa, c/o Fuji Photo Film Co.,Ltd.,Uesugi, Akio, c/o Fuji Photo Film Co., Ltd.
申请号：EP93112299.8申请日：19930730公开号：EP0581321A3公开日：19940803
专利附图：
摘要：A method of producing a planographic printing plate support in which afteraluminum is continuously cast directly from molten aluminum into a thin aluminum plate,the aluminum thin plate is subjected to cold rolling, heat treatment and flattening toobtain an aluminum support. The aluminum support is then subjected to surfaceroughening. The components of the aluminum support are Fe: 0.4 % - 0.2 %, Si:0.20 % - 0.05 %, Cu: not larger than 0.02 %, and the Al purity is not smaller than 99.5
%. After continuous casting, Fe in a range of from 20 % to 90 % of the Fe total contentexists in a grain boundary and the rest of Fe exists as a solid solution in grains. In this case,it is preferable that in a section perpendicular to the direction of continuous casting, thegrain size is in a range of from 2 µm to 500 µm.
申请人：FUJI PHOTO FILM CO., LTD.
地址：210 Nakanuma Minami-Ashigara-shi Kanagawa 250-01 JP
国籍：JP
代理机构：Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
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