| 摘要 |
The magnetic head of the present invention has a narrow upper magnetic pole and capable of restricting side erasure and record bleeding. The magnetic head for writing data on a recording medium comprises: an upper magnetic pole including a pole section, which faces the recording medium and has a prescribed width; and a lower magnetic pole including grooves, which are respectively formed on the both sides of the pole section, wherein level of edges of the grooves are lower than that of an upper face of the lower magnetic pole.
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