发明授权
- 专利标题： Magnetic recording medium kubbed with a super hard alloy blade containing tungsten carbide power and cobalt
- 专利标题（中）： 磁记录介质采用含有碳化钨功率和钴的超硬合金刀片
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申请号： US616958申请日： 1990-11-21
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公开(公告)号： US5238753A公开(公告)日： 1993-08-24
- 发明人: Katsumi Ryoke , Youichi Hayata , Junji Yazawa , Toshihiko Miura , Masaki Suzuki , Tatsuya Oguri
- 申请人： Katsumi Ryoke , Youichi Hayata , Junji Yazawa , Toshihiko Miura , Masaki Suzuki , Tatsuya Oguri
- 申请人地址： JPX Kanagawa
- 专利权人： Fuji Photo Film Co., Ltd.
- 当前专利权人： Fuji Photo Film Co., Ltd.
- 当前专利权人地址： JPX Kanagawa
- 优先权： JPX1-302792 19891121; JPX2-19716 19900130; JPX2-88308 19900404
- 主分类号： G11B5/70
- IPC分类号： G11B5/70 ; G11B5/84
摘要：
A magnetic recording medium having well-balanced properties with respect to head abrasion characteristics, head cleaning characteristics and drop out characteristics is disclosed, which comprises a non-magnetic support having thereon a magnetic layer containing a ferromagnetic powder and a binder, wherein the magnetic layer has been brought into contact with a carbon steel alloy or super hard alloy made from powders having a Mohs' hardness of at lease 6 and rubbed therewith. A process of producing the magnetic recording medium is also disclosed.