发明名称 |
Protective jacket for plane magnetic recording medium |
摘要 |
A protective jacket for rotatably holding a plane disc magnetic recording medium between buffer sheets bonded on the inner surfaces of a body of the protective jacket in vortex or annular form around a rotary axis of the plane disc magnetic recording medium.
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申请公布号 |
US4254864(A) |
申请公布日期 |
1981.03.10 |
申请号 |
US19790020061 |
申请日期 |
1979.03.13 |
申请人 |
TDK ELECTRONICS COMPANY LIMITED |
发明人 |
MIKURA, CHIHO |
分类号 |
G11B23/033;G11B23/03;(IPC1-7):B65D85/30;B65D85/57 |
主分类号 |
G11B23/033 |
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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