| 摘要 |
According to one embodiment, a slider in a head has an opposite surface that is opposite a surface of a recording medium, a plurality of protrusions protrusively provided on the opposite surface, and a negative pressure cavity. A method of manufacturing a slider provides a mask of a predetermined shape on the opposite surface and then subjects the opposite surface to removing processing to form a protrusion including a protruding portion having two opposite sides. Another mask is provided on the opposite surface of the slider, the another mask covers one of the two opposite sides and a part of the protruding portion. Then, the opposite surface is subjected to removing processing to form a protruding portion in which the two adjacent sides are adjacent to respective grooves of different depths and which is narrower than the narrowest part of the masks used.
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