| 摘要 |
A DC current is supplied to the write coil of a GMR head 1 equipped with a completed HGA (Head Gimbal Assembly). The element part of the GMR head 1 is thereby thermally deformed. Thus deformed, the element part protrudes, abutting on a rotating laser-bump disk 2 , above which the HGA is floating. When the element part abuts on the disk 2 , a magnetic field (2470 gauss) that extends in a direction opposite to the magnetization direction of the fixed layer of the GMR head 1 is applied to the top of a core slider 5.
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