Magnetic head and magnetic recording and reproducing apparatus
First Claim
Patent Images
1. A magnetic head comprising:
- a read head including a read element and two layers of shields sandwiching the read element therebetween; and
a write head including a main pole, a return yoke, and an exciting coil, wherein at least one of each of the shields and the return yoke has an area of a bottom surface at least 1.2 times as large as an area of a top surface.
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Abstract
A magnetic head includes a read head including a read element and two layers of shields sandwiching the read element therebetween, and a write head including a main pole, a return yoke, and an exciting coil, in which at least one of each of the shields and the return yoke has an area of a bottom surface at least 1.2 times as large as an area of a top surface.
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Citations
16 Claims
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1. A magnetic head comprising:
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a read head including a read element and two layers of shields sandwiching the read element therebetween; and
a write head including a main pole, a return yoke, and an exciting coil, wherein at least one of each of the shields and the return yoke has an area of a bottom surface at least 1.2 times as large as an area of a top surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A magnetic recording and reproducing apparatus comprising:
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a magnetic head comprising a read head including a read element and two layers of shields sandwiching the read element therebetween, and a write head including a main pole, a return yoke, and an exciting coil, wherein at least one of each of the shields and the return yoke has an area of a bottom surface at least 1.2 times as large as an area of a top surface; and
a perpendicular magnetic recording media having a soft underlayer and a perpendicular magnetic recording layer formed on a nonmagnetic substrate. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification