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THIN-FILM MAGNETIC HEAD WITH PERPENDICULAR MAGNETIC RECORDING STRUCTURE, MAGNETIC HEAD ASSEMBLY WITH THE THIN-FILM MAGNETIC HEAD, MAGNETIC DISK DRIVE APPARATUS WITH THE MAGNETIC HEAD ASSEMBLY, AND MANUFACTURING METHOD OF THIN-FILM MAGNETIC HEAD WITH PERPENDICULAR MAGNETIC RECORDING STRUCTURE
THIN-FILM MAGNETIC HEAD WITH PERPENDICULAR MAGNETIC RECORDING STRUCTURE, MAGNETIC HEAD ASSEMBLY WITH THE THIN-FILM MAGNETIC HEAD, MAGNETIC DISK DRIVE APPARATUS WITH THE MAGNETIC HEAD ASSEMBLY, AND MANUFACTURING METHOD OF THIN-FILM MAGNETIC HEAD WITH PERPENDICULAR MAGNETIC RECORDING STRUCTURE
A thin-film magnetic head with a perpendicular magnetic recording structure includes a main pole layer, a nonmagnetic gap layer, and an auxiliary pole layer facing the main pole layer via the nonmagnetic gap layer. A surface of a top end section of the main pole layer has an inclined step that slopes from a lamination plane of the layers. The surface faces a top end section of the auxiliary pole layer. The top end section of the auxiliary pole layer has side shield sections at a position that is not exposed to an ABS. The side shield sections faces at least part of side surfaces in a track-width direction, of the main pole layer so as to cover at least part of the inclined step.
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