发明名称 MAGNETIC RECORDING MEDIUM
摘要 Disclosed is a magnetic recording medium having a base (10), a first magnetic layer (12) formed on the base (10), and a second magnetic layer (14) formed on the first magnetic layer (12). The magnetic recording medium further comprises a third magnetic layer (16) formed on the second magnetic layer (14). The third magnetic layer has a predetermined thickness (t4ave) to cover surface roughness of the second magnetic layer (16) and functions as a protection layer for the second magnetic layer (14).
申请公布号 AU6849681(A) 申请公布日期 1981.09.24
申请号 AU19810068496 申请日期 1981.03.18
申请人 OLYMPUS OPTICAL CO. LTD. 发明人 N. HANAOKA
分类号 C09D5/23;C09D7/12;G11B5/64;G11B5/716;G11B5/72 主分类号 C09D5/23
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