发明名称 MAGNETIC RECORDING MEDIUM
摘要 <p>PROBLEM TO BE SOLVED: To obtain a magnetic recording medium having excellent electromagnetic conversion characteristics by improving the surface smoothness of a magnetic layer of <=1.0μm in thickness without the occurrence of pinholes and coating application stripes. SOLUTION: This magnetic recording medium is constituted by disposing an intermediate layer containing carbon black and nonmagnetic particulates exclusive of thereof on a nonmagnetic base and further, disposing the magnetic layer of <=1.0μm thickness on this intermediate layer and confining the thickness over the entire part including the nonmagnetic base, the intermediate layer and the magnetic layer to <=13μm. The surface degree of the magnetic layer is <=10 dB in the difference between the intensity at 102 mm-1 and the intensity at 205 mm-1 in frequency analysis of the non-contact surface degree.</p>
申请公布号 JP2000348328(A) 申请公布日期 2000.12.15
申请号 JP20000148653 申请日期 2000.05.16
申请人 HITACHI MAXELL LTD 发明人 KONNO KIMIHIKO;YUASA TAKUMA;FUJIMOTO HIDEKI
分类号 G11B5/70;G11B5/706;G11B5/708;G11B5/738;H01F10/16;H01F10/30;(IPC1-7):G11B5/70 主分类号 G11B5/70
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