发明授权
- 专利标题： Magnetic recording media
- 专利标题（中）： 磁记录媒体
-
申请号： US325939申请日： 1981-11-30
-
公开(公告)号： US4503119A公开(公告)日： 1985-03-05
- 发明人: Ryuji Shirahata , Yasuyuki Yamada , Tatsuji Kitamoto , Goro Akashi
- 申请人： Ryuji Shirahata , Yasuyuki Yamada , Tatsuji Kitamoto , Goro Akashi
- 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： JPX54-77692 19790620
- 主分类号： G11B5/66
- IPC分类号： G11B5/66 ; G11B5/64 ; G11B5/65 ; G11B5/725 ; H01F41/14 ; H01F1/06 ; H01F1/33
摘要：
A magnetic recording medium which is characterized by a lubricant present in channels diagonally extending through a magnetic metal thin film having a columnar structure formed by vapor deposition; this medium possesses improved running properties and abrasion resistance which last for an extended period of time.
公开/授权文献
- US5441673A Carburetor for an internal combustion engine 公开/授权日：1995-08-15
信息查询
IPC分类:
