发明申请
- 专利标题： THERMALLY-ASSISTED MAGNETIC RECORDING HEAD INCLUDING A PLASMON GENERATOR
- 专利标题（中）： 热辅助磁记录头包括等离子发生器
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申请号： US14209262申请日： 2014-03-13
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公开(公告)号： US20150262593A1公开(公告)日： 2015-09-17
- 发明人: Yoshitaka SASAKI , Hiroyuki ITO , Shigeki TANEMURA , Kazuki SATO , Hironori ARAKI , Ryuji FUJII
- 申请人： Yoshitaka SASAKI , Hiroyuki ITO , Shigeki TANEMURA , Kazuki SATO , Hironori ARAKI , Ryuji FUJII
- 申请人地址： CN Hong Kong US CA Milpitas
- 专利权人： SAE MAGNETICS (H.K.) LTD.,HEADWAY TECHNOLOGIES, INC.
- 当前专利权人： SAE MAGNETICS (H.K.) LTD.,HEADWAY TECHNOLOGIES, INC.
- 当前专利权人地址： CN Hong Kong US CA Milpitas
- 主分类号： G11B5/31
- IPC分类号： G11B5/31 ; G11B5/127 ; G11B5/48
摘要：
A return path section includes first and second yoke portions and first, second and third columnar portions. The first and second yoke portions and the first columnar portion are located on the front side in the direction of travel of a recording medium relative to a waveguide core. The second and third columnar portions are located on opposite sides of a plasmon generator and connected to a shield. The first yoke portion connects a main pole to the first columnar portion. The second yoke portion connects the first columnar portion to the second and third columnar portions. A coil is wound around the first columnar portion. A heater and an expansion layer are located on the rear side in the direction of travel of the recording medium relative to the core.
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