发明名称 Perpendicular magnetic recording medium
摘要 In a perpendicular magnetic recording medium comprising a high permeability film and a perpendicular magnetization film which are laminated on a non-magnetic substrate, a perpendicular magnetic recording medium is provided wherein a permanent magnet film is further sandwiched between the non-magnetic substrate and the high permeability film, thereby eliminating a spike noise.
申请公布号 US4544591(A) 申请公布日期 1985.10.01
申请号 US19830537512 申请日期 1983.09.30
申请人 HITACHI, LTD;HITACHI MAXELL, LTD. 发明人 UESAKA, YASUTARO;HISHIYAMA, SADAO;KITADA, MASAHIRO;SHIMIZU, NOBORU;TANABE, HIDEO;FUJIWARA, HIDEO
分类号 G11B5/00;G11B5/64;G11B5/66;G11B5/667;G11B5/70;G11B5/738;H01F10/06;H01F10/12;H01F10/13;H01F10/18;H01F10/187;(IPC1-7):G11B25/04 主分类号 G11B5/00
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