发明名称 MAGNETIC RECORDING MEDIUM
摘要 PROBLEM TO BE SOLVED: To provide a magnetic recording medium which is capable of making the recording density higher than that of the conventional magnetic recording medium of a vapor deposition type and has good electromagnetic conversion characteristics over a frequency band of a wide range. SOLUTION: This magnetic recording medium includes a base 2 and a magnetic layer 3 which is disposed on the front surface side of this base 2 by depositing >=1 kind of metallic element by evaporation on this side. In such a case, the transmissivity of the magnetic layer 3 at a wavelength 800 nm is 100×e<(-25t)> to 100×e<(-19t)> (%) when the film thickness of the magnetic layer is defined as t (μm). The transmissivity of the magnetic layer 3 at a wavelength 450 nm is 100×e<(-33t)> to 100×e<-36t)> (%).
申请公布号 JPH11154317(A) 申请公布日期 1999.06.08
申请号 JP19970320079 申请日期 1997.11.20
申请人 KAO CORP 发明人 NAGAI SATOSHI;KITAORI NORIYUKI;YOSHIDA OSAMU;ENDO KATSUMI;YAMAZAKI TOSHIO;MIYAMURA TAKESHI
分类号 G11B5/66;G11B5/64;G11B5/65;(IPC1-7):G11B5/66 主分类号 G11B5/66
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