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