发明名称 MAGNETIC RECORDING MEDIUM
摘要 A magnetic recording medium comprising a transparent support and a magnetic layer formed on the support, said magnetic layer comprising Co-adsorbed Fe3O4 and Co-adsorbed gamma -Fe2O3 in a weight ratio of from 40:60 to 80:20, each of said Co-adsorbed Fe3O4 and Co-adsorbed gamma -Fe2O3 having a particle size of at least 25 m2/g as a BET value.
申请公布号 GB2154243(A) 申请公布日期 1985.09.04
申请号 GB19850003482 申请日期 1985.02.11
申请人 * TDK CORPORATION 发明人 KUNIICHI * YODA;KAORU * KAWASAKI
分类号 G11B5/712;C09D5/23;C09D7/12;G11B5/706;G11B5/714;(IPC1-7):G11B5/706 主分类号 G11B5/712
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