发明名称 Magnetic recording medium
摘要 Provided is a magnetic recording medium exhibiting good electromagnetic characteristics in high-density recording. The magnetic recording medium employed for magnetically recording signals with a track width equal to or less than 2.0 mum and reproducing the magnetically recorded signals, wherein said magnetic recording medium comprises a magnetic layer comprising a hexagonal ferrite ferromagnetic powder and a binder or comprises a nonmagnetic layer comprising a nonmagnetic powder and a binder and a magnetic layer comprising a hexagonal ferrite ferromagnetic powder and a binder in this order on a nonmagnetic support. Said magnetic layer has a thickness equal to or less than 0.2 mum, and said hexagonal ferrite ferromagnetic powder has an average plate diameter being {fraction (1/30 or less of the magnetically recorded track width as well as ½ or less of the thickness of the magnetic layer.
申请公布号 US2004213948(A1) 申请公布日期 2004.10.28
申请号 US20040762506 申请日期 2004.01.23
申请人 FUJI PHOTO FILM CO LTD 发明人 SAITO SHINJI;NOGUCHI HITOSHI;YAMAZAKI NOBUO
分类号 G11B5/70;G11B5/706;G11B5/714;G11B5/738;G11B5/78;(IPC1-7):B32B3/02 主分类号 G11B5/70
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