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    • 63. 发明申请
    • HEAT-ASSISTED MAGNETIC RECORDING HEAD WITH NEAR-FIELD LIGHT GENERATING ELEMENT
    • 具有近场光产生元件的热辅助磁记录头
    • US20110228418A1
    • 2011-09-22
    • US12727666
    • 2010-03-19
    • Yoshitaka SasakiHiroyuki ItoShigeki TanemuraHironori ArakiAtsushi Iijima
    • Yoshitaka SasakiHiroyuki ItoShigeki TanemuraHironori ArakiAtsushi Iijima
    • G11B5/02
    • G11B5/314G11B5/3163G11B5/6088G11B2005/001G11B2005/0021
    • A near-field light generating element has an outer surface including a bottom surface that lies at an end closer to a top surface of a substrate, a waveguide facing surface that lies at an end farther from the top surface of the substrate and faces a waveguide, a front end face located in a medium facing surface, and a side surface that connects the bottom surface, the waveguide facing surface and the front end face to each other. The front end face includes a first side that lies at an end of the bottom surface, a tip that lies at an end farther from the top surface of the substrate and forms a near-field light generating part, a second side that connects an end of the first side to the tip, and a third side that connects the other end of the first side to the tip. The waveguide facing surface includes a width changing portion that has a width in a direction parallel to the bottom surface and the front end face, the width decreasing with decreasing distance to the front end face.
    • 近场光产生元件具有外表面,该外表面包括位于更靠近基板顶表面的一端的底表面,位于远离基板顶表面的一端的波导对面的表面 ,位于介质相对表面中的前端面以及将所述底表面,所述波导对向表面和所述前端面彼此连接的侧表面。 所述前端面包括位于所述底面的端部的第一侧,位于距离所述基板的上表面更远的一端并形成近场光产生部的端部,所述第二侧将端部 并且将第一侧的另一端连接到尖端的第三侧。 面向波导的表面包括宽度改变部分,该宽度改变部分在平行于底面和前端面的方向上具有宽度,宽度随着与前端面的距离的减小而减小。