发明名称 |
Magnetic disk |
摘要 |
A magnetic disk comprises an annular resilient magnetic recording mediumm, an outer ring having an outer affixing surface, and an annular frame disposed radially inwardly of the outer ring. The annular frame comprises an annular thrusting surface protruded axially for thrusting the recording medium to exert tension to it, an inner affixing surface inwardly affixed to the recording medium, and a base axially receded from the thrusting surface.
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申请公布号 |
US5249093(A) |
申请公布日期 |
1993.09.28 |
申请号 |
US19910713213 |
申请日期 |
1991.06.11 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
UMEKIDA, MASARU;MITSUHASHI, DAISUKE |
分类号 |
G11B5/64;G11B5/73;G11B5/82;G11B5/84;G11B23/00 |
主分类号 |
G11B5/64 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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