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MAGNETO-OPTICAL RECORDING MEDIUM 发明申请

2023-06-03 2220 102K 0

专利信息

申请日期 2025-07-12 申请号 JP2004259395
公开(公告)号 JP2006079661A 公开(公告)日 2006-03-23
公开国别 JP 申请人省市代码 全国
申请人 FUJITSU LTD
简介 PROBLEM TO BE SOLVED : To provide a magneto-optical recording medium suited for obtaining high magnetic wall mobility regarding a reproducing layer in which magnetic wall movement occurs during information reproduction. SOLUTION : The magneto-optical recording medium X is provided with a recording layer 11 as a recording function, a reproducing layer 13 as a reproducing function accompanied by magnetic wall movement, and an intermediate layer 12 disposed between the recording and reproducing layers 11 and 13 to change the exchange coupled state thereof. The reproducing layer 13 is made of a amorphous alloy containing a rare earth element and a transition metal, and the rare earth element contains Gd and Y or La. The content of Y or La in the reproducing layer 13 is 1 to 20 at %. COPYRIGHT : (C)2006, JPO&NCIPI


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