发明授权
- 专利标题： Magnetic recording medium having a carbon protective film containing nitrogen and oxygen and overcoated with a lubricant
- 专利标题（中）： 具有含有氮和氧的碳保护膜并用润滑剂涂覆的磁记录介质
-
申请号： US546833申请日： 1995-10-23
-
公开(公告)号： US5776602A公开(公告)日： 1998-07-07
- 发明人: Hideyuki Ueda , Kenji Kuwahara , Hiroshi Seki , Sadayuki Okazaki , Masaru Odagiri , Kiyoshi Takahashi , Mikio Murai
- 申请人： Hideyuki Ueda , Kenji Kuwahara , Hiroshi Seki , Sadayuki Okazaki , Masaru Odagiri , Kiyoshi Takahashi , Mikio Murai
- 申请人地址： JPX Kadoma
- 专利权人： Matsushita Electric Industrial Co., Ltd.
- 当前专利权人： Matsushita Electric Industrial Co., Ltd.
- 当前专利权人地址： JPX Kadoma
- 优先权： JPX6-260198 19941025
- 主分类号： G11B5/66
- IPC分类号： G11B5/66 ; G11B5/72 ; G11B5/725
摘要：
A magnetic recording medium of the present invention includes: a non-magnetic substrate; a ferromagnetic thin metal layer formed on the non-magnetic substrate; and a carbon layer and a lubricant layer in contact with the carbon layer, which is formed above the ferromagnetic thin metal layer so that the lubricant layer is an outermost layer, wherein the carbon layer contains nitrogen atoms, a Raman spectrum of the carbon layer has a peak A in the range of about 1310 to about 1410 cm.sup.-1 and a peak B in the range of about 1520 to about 1570 cm.sup.-1, and a ratio of integrated intensities of the peak A to the peak B is in the range of about 1.2 to about 2.0.
公开/授权文献
- US5044816A Clamping collar with longitudinal ribs 公开/授权日：1991-09-03
信息查询
IPC分类:
