Invention Grant
US08014101B2 Near-field light generator plate, thermally assisted magnetic head, head gimbal assembly, and hard disk drive 有权
近场光发生器板,热辅助磁头,头万向节组件和硬盘驱动器

Near-field light generator plate, thermally assisted magnetic head, head gimbal assembly, and hard disk drive
Abstract:
A near-field light generator plate 36 of the present invention is arranged to face a medium 10, and one portion 36b and other portion 36a in a medium-facing surface S thereof are made of their respective electroconductive materials different from each other. Since the one portion and the other portion in the medium-facing surface are made of the electroconductive materials different from each other, this medium-facing surface is formed by a surface removing step such as polishing or etching from the medium-facing surface side so that a difference between heights of the one portion and the other portion is readily made based on the difference of the materials.
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