发明名称 MAGNETIC RECORDING MEDIUM, METHOD FOR PRODUCING THE SAME, AND MAGNETIC RECORDING APPARATUS
摘要 PROBLEM TO BE SOLVED: To provide a magnetic recording medium in which the medium noise is reduced and information can be reproduced at a high S/N level, a method for producing the magnetic recording medium, and a magnetic recording medium which has excellent thermal stability and which makes it possible to perform the high density recording. SOLUTION: When films are deposited for the magnetic recording medium on the basis of the perpendicular magnetic recording method, the content of B in a seed layer is made sufficiently larger than the content of B in a recording layer. Accordingly, B is diffused from the seed layer to the recording layer to facilitate the segregation of B at the crystal grain boundary in the recording layer. Thereby, the magnetic interaction between the crystal grains in the recording layer is further reduced. Thus, it is possible to greatly reduce the transition noise. COPYRIGHT: (C)2004,JPO
申请公布号 JP2004079148(A) 申请公布日期 2004.03.11
申请号 JP20020375960 申请日期 2002.12.26
申请人 HITACHI MAXELL LTD 发明人 KANDA TETSUNORI;YANO AKIRA;FUJITA SHIOJI;KONUMA TAKESHI;MATSUNUMA SATORU
分类号 G11B5/65;G11B5/64;G11B5/66;G11B5/73;G11B5/738;G11B5/84;G11B5/851;(IPC1-7):G11B5/65 主分类号 G11B5/65
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