| 发明名称 |
MAGNETIC DISK DEVICE AND DEFECT DETECTION METHOD |
| 摘要 |
A magnetic disk device according to an embodiment includes a disk including a data area, a head configured to read and write data from and to the data area, and a controller configured to determine under a first condition whether the data area includes a defect, and to determine, under a second condition of a higher defect detection sensitivity than the first condition, whether a first area around a first defect area includes a defect, when detecting the first defect area under the first condition. |
| 申请公布号 |
US2017062003(A1) |
申请公布日期 |
2017.03.02 |
| 申请号 |
US201514967014 |
申请日期 |
2015.12.11 |
| 申请人 |
Kabushiki Kaisha Toshiba |
发明人 |
Amano Ryoichi |
| 分类号 |
G11B20/18 |
主分类号 |
G11B20/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A magnetic disk device comprising:
a disk including a data area; a head configured to read and write data from and to the data area; a controller configured to determine under a first condition whether the data area includes a defect, and to determine, under a second condition of a higher defect detection sensitivity than the first condition, whether a first area around a first defect area includes a defect, when detecting the first defect area under the first condition. |
| 地址 |
Tokyo JP |
