发明名称 MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DEVICE
摘要 PROBLEM TO BE SOLVED: To reduce meniscus attractive force while preventing writing in an adjacent track in a discrete track medium and a patterned medium. SOLUTION: A magnetic recording medium and a magnetic disk device excellent in high density recording and high reliability are provided by forming a magnetic layer of a land part and a patterned part of the discrete track medium and the patterned medium in a cylindrical shell shape and a spherical shell shape having fixed film thickness and changing a height of a cylindrical shell shape protrusion and a height of a spherical shell shape protrusion from 5 nm to 30 nm according to a radial position. COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2008052850(A) 申请公布日期 2008.03.06
申请号 JP20060229709 申请日期 2006.08.25
申请人 HITACHI LTD 发明人 TSUCHIYAMA RYUJI;MOCHIZUKI MASABUMI;ONO KYOSUKE;TSUCHIYA HIROKO;IKEGAME HIROSHI
分类号 G11B5/65;G11B5/72;G11B5/82 主分类号 G11B5/65
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