发明名称 Magnetic recording medium
摘要 A magnetic recording medium comprises a nonmagnetic support, a first magnetic recording layer and a second magnetic recording layer, superposed in order, wherein each of binders contained in said first and second magnetic recording layers comprises a polymer, and the polymer contained in the second magnetic recording layer has a polymerization degree of not less than 250, said polymerization degree being more than that of the polymer contained in the first magnetic recording layer by at least as much as 20.
申请公布号 US4865924(A) 申请公布日期 1989.09.12
申请号 US19880183952 申请日期 1988.04.20
申请人 FUJI PHOTO FILM CO., LTD. 发明人 SAITO, SHINJI;MIZUNO, CHIAKI;ONO, TOSHIO;OGAWA, HIROSHI
分类号 C09D5/23;C09D127/04;C09D127/06;C09D175/06;G11B5/702;G11B5/716 主分类号 C09D5/23
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