Invention Grant
- Patent Title: Heat assisted narrow pole design with trailing shield
- Patent Title (中): 热辅助窄杆设计与后盾
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Application No.: US13066420Application Date: 2011-04-14
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Publication No.: US08369189B2Publication Date: 2013-02-05
- Inventor: Xuhui Jin , Yuchen Zhou , Kenichi Takano , Joe Smyth
- Applicant: Xuhui Jin , Yuchen Zhou , Kenichi Takano , Joe Smyth
- Applicant Address: US CA Milpitas
- Assignee: Headway Technologies, Inc.
- Current Assignee: Headway Technologies, Inc.
- Current Assignee Address: US CA Milpitas
- Agency: Saile Ackerman LLC
- Agent Stephen B. Ackerman
- Main IPC: G11B11/00
- IPC: G11B11/00

Abstract:
A TAMR (Thermal Assisted Magnetic Recording) writer has a narrow pole tip with a trailing edge magnetic shield. The narrow pole tipped write head uses the energy of laser generated edge plasmons, formed in a plasmon generating layer, to locally heat a PMR magnetic recording medium below its Curie temperature, Tc. When combined with the effects of the narrow tip, this local heating to a temperature below Tc is sufficient to create good transitions and narrow track widths in the magnetic medium. The write head is capable of writing effectively on state-of-the-art PMR recording media having Hk of 20 kOe or more.
Public/Granted literature
- US20120263024A1 Heat assisted narrow pole design with trailing shield Public/Granted day:2012-10-18
Information query
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