发明名称 MAGNETIC RECORDING MEDIA
摘要 PURPOSE:Obtain accuracy and simplicity in writing data on the entire recording medium region including fixed information recorder which has predetermined patterns arranged on the substrate by coating magnetic coating film which can record variable information.
申请公布号 JPS5215305(A) 申请公布日期 1977.02.04
申请号 JP19750090942 申请日期 1975.07.25
申请人 FUJITSU LTD 发明人 OGAWA KIYONARI
分类号 G11B5/02;G11B5/62;G11B5/74;(IPC1-7):11B5/74 主分类号 G11B5/02
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