Invention Grant
- Patent Title: Write pole paddle
- Patent Title (中): 写极板桨
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Application No.: US14535481Application Date: 2014-11-07
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Publication No.: US09171557B1Publication Date: 2015-10-27
- Inventor: Jiaoming Qiu , Lei Lu , Xuelian Xu
- Applicant: Seagate Technology LLC
- Applicant Address: US CA Cupertino
- Assignee: SEAGATE TECHNOLOGY LLC
- Current Assignee: SEAGATE TECHNOLOGY LLC
- Current Assignee Address: US CA Cupertino
- Agency: HolzerIPLaw, PC
- Main IPC: G11B5/147
- IPC: G11B5/147

Abstract:
A write head having a write pole with a tip portion defining a pole tip and a paddle portion extending from the tip portion away from the pole tip, the paddle portion defining a back edge. The write head also has a coil structure having at least two active turns crossing the paddle portion, wherein a back of the coil structure is no more than 1 micrometer past the back edge of the write pole. In some implementations, a length from the pole tip to the back edge is no more than 4.5 micrometers.
Information query
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