| 发明名称 |
Method of locating and inspecting dropouts on a magnetic disc |
| 摘要 |
A method of determining the angular and radial location of defects causing dropouts on a magnetic disc, and using this information to position individual dropouts in the field of view of a microscope.
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| 申请公布号 |
US4896227(A) |
申请公布日期 |
1990.01.23 |
| 申请号 |
US19890333836 |
申请日期 |
1989.04.05 |
| 申请人 |
E. I. DUPONT DE NEMOURS & CO. |
发明人 |
FOUNTAIN, FRANK S.;PUSEY, DONALD K. |
| 分类号 |
G01R33/12 |
主分类号 |
G01R33/12 |
| 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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