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Thermally-assisted magnetic recording head having temperature sensor embedded on dielectric waveguide
Thermally-assisted magnetic recording head having temperature sensor embedded on dielectric waveguide
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机译:在介质波导中嵌入温度传感器的热辅助磁记录头
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摘要
A thermal assisted magnetic recording head includes a dielectric waveguide that is configured to propagate propagation light a metal waveguide that is provided facing the dielectric waveguide and that couples to the propagation light propagating through the dielectric waveguide in a surface plasmon mode, thereby generating and propagating surface plasmon, a near-field light generator that is exposed on an air bearing surface facing a magnetic recording medium either at an end part of the metal waveguide or at a position facing the end part of the metal waveguide, and that generates near-field light from the surface plasmon, a magnetic pole for magnetic recording that is exposed on the air bearing surface, and a temperature sensor that is arranged inside the dielectric waveguide.
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