发明名称 |
DISK DRIVE DEVICE ROTATIONALLY DRIVING RECORDING DISK |
摘要 |
A disk drive device is provided with a base, a hub on which a recording disk is to be mounted, a bearing unit arranged on the base and configured to rotatably support the hub, and a spindle drive unit configured to rotatably drive the hub. A circumferential ring wall portion is arranged on the outer circumference of the base and formed of a plastic.
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申请公布号 |
US2010238590(A1) |
申请公布日期 |
2010.09.23 |
申请号 |
US20100694967 |
申请日期 |
2010.01.27 |
申请人 |
ALPHANA TECHNOLOGY CO., LTD. |
发明人 |
TASHIRO TOMOYUKI;HIRATA YOSHIO;IWAI HIROSHI |
分类号 |
G11B17/02 |
主分类号 |
G11B17/02 |
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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