发明名称 |
Vertical magnetization type recording medium and manufacturing method therefor |
摘要 |
In a method of manufacturing a vertical magnetization type recording medium, a soft magnetic film layer is formed on each of the two sides of a non-magnetic support, and then a vertical magnetization film layer is formed on each soft magnetic film layer thus formed, thereby to provide a vertical magnetization type recording medium which has both sides uniform in characteristics and has characteristics making it excellent as a vertical magnetization type recording medium.
|
申请公布号 |
US4868070(A) |
申请公布日期 |
1989.09.19 |
申请号 |
US19870059242 |
申请日期 |
1987.06.10 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
NAGAO, MAKOTO;YAMANAKA, FUSAO;NAHARA, AKIRA |
分类号 |
G11B5/66;G11B5/851 |
主分类号 |
G11B5/66 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|