Invention Grant
- Patent Title: Method and system for providing a perpendicular magnetic recording head
- Patent Title (中): 用于提供垂直磁记录头的方法和系统
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Application No.: US12391095Application Date: 2009-02-23
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Publication No.: US08404128B1Publication Date: 2013-03-26
- Inventor: Hong Zhang , Ge Yi , Lei Wang , Dujiang Wan , Guanghong Luo , Xiaohai Xiang
- Applicant: Hong Zhang , Ge Yi , Lei Wang , Dujiang Wan , Guanghong Luo , Xiaohai Xiang
- Applicant Address: US CA Fremont
- Assignee: Western Digital (Fremont), LLC
- Current Assignee: Western Digital (Fremont), LLC
- Current Assignee Address: US CA Fremont
- Main IPC: G11B5/127
- IPC: G11B5/127

Abstract:
A method and system for providing a magnetic recording transducer having a pole are disclosed. The pole has side(s), a bottom, and a top wider than the bottom. The method and system include providing at least one side gap layer that covers the side(s) and the top of the pole. At least one sacrificial layer is provided on the side gap layer(s). The sacrificial layer(s) are wet etchable and cover the side gap layer(s). The magnetic recording transducer is planarized after the sacrificial layer(s) are provided. Thus, a portion of the side gap and sacrificial layer(s) is removed. A remaining portion of the sacrificial layer(s) is thus left. The method and system also include wet etching the sacrificial layer(s) to remove the remaining portion of the sacrificial layer(s). A wrap around shield is provided after the remaining portion of the sacrificial layer(s) is removed.
Information query
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