Invention Grant
US08218263B2 Write head with different upper and lower yoke lengths and methods for making the same
有权
具有不同的上，下磁轭长度的写头和制造相同的方法
- Patent Title: Write head with different upper and lower yoke lengths and methods for making the same
- Patent Title (中): 具有不同的上，下磁轭长度的写头和制造相同的方法
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Application No.: US12341908Application Date: 2008-12-22
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Publication No.: US08218263B2Publication Date: 2012-07-10
- Inventor: Donald G. Allen , Wen-Chien David Hsiao , Edward Hin Pong Lee , Jennifer Leung , Vladimir Nikitin
- Applicant: Donald G. Allen , Wen-Chien David Hsiao , Edward Hin Pong Lee , Jennifer Leung , Vladimir Nikitin
- Applicant Address: NL Amsterdam
- Assignee: Hitachi Global Storage Technologies Netherlands B.V.
- Current Assignee: Hitachi Global Storage Technologies Netherlands B.V.
- Current Assignee Address: NL Amsterdam
- Agency: Zilka-Kotab, PC
- Main IPC: G11B5/127
- IPC: G11B5/127 ; H01L43/12
Abstract:
According to one embodiment, a system comprises an upper yoke having a first length defined between a pole tip thereof and a back gap thereof. In addition, the system includes a lower yoke having a second length defined between a pole tip thereof and a back gap thereof, the second length being greater than the first length. Also, the system includes coil turns in the upper and lower yokes. Additional systems and methods are also presented.
Public/Granted literature
- US20100157471A1 WRITE HEAD WITH DIFFERENT UPPER AND LOWER YOKE LENGTHS AND METHODS FOR MAKING THE SAME Public/Granted day:2010-06-24
Information query
IPC分类:
