发明名称 |
Methods for tunable plating seed step coverage |
摘要 |
A writer main pole for a perpendicular magnetic recording system is provided. The writer pole has a tunable bottom gap to side gap ratio, and may be formed using deposition of a first seed layer through an ion beam deposition process, deposition of a second seed layer through a physical vapor deposition process, and deposition of a non-magnetic gap layer through a chemical vapor deposition process. |
申请公布号 |
US8670213(B1) |
申请公布日期 |
2014.03.11 |
申请号 |
US201213422997 |
申请日期 |
2012.03.16 |
申请人 |
ZENG WANXUE;SI WEIMIN;HONG YING;BAI ZHIGANG;WESTERN DIGITAL (FREMONT), LLC |
发明人 |
ZENG WANXUE;SI WEIMIN;HONG YING;BAI ZHIGANG |
分类号 |
G11B5/23;B44C1/22 |
主分类号 |
G11B5/23 |
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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