发明名称 |
Data storage device with variable anisotropy side shield |
摘要 |
Various embodiments may be generally directed to a data storage device with at least a magnetic element having a magnetic stack positioned adjacent to and separated from at least one side shield on an air bearing surface (ABS). The side shield can be configured with a predetermined anisotropy variation along a down-track direction. |
申请公布号 |
US8922951(B2) |
申请公布日期 |
2014.12.30 |
申请号 |
US201213710945 |
申请日期 |
2012.12.11 |
申请人 |
Seagate Technology LLC |
发明人 |
Sapozhnikov Victor Boris;Patwari Mohammed Shariat Ullah;McKinlay Shaun Eric;Nikolaev Konstantin Rudolfovich;Singleton Eric Walter;Yi Jae-Young |
分类号 |
G11B5/39;G11B5/11 |
主分类号 |
G11B5/39 |
代理机构 |
Hall Estill Attorneys at Law |
代理人 |
Hall Estill Attorneys at Law |
主权项 |
1. A data storage device comprising a trilayer magnetic sensor comprising first and second magnetically free layers without a magnetically pinned reference structure, the trilayer magnetic reader sensor positioned adjacent to and separated from a side shield on an air bearing surface (ABS), the side shield configured with a predetermined non-uniform anisotropy gradient along a down-track direction. |
地址 |
Cupertino CA US |