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US20100128392 |
PERPENDICULAR WRITE HEAD HAVING A STEPPED FLARE STRUCTURE AND METHOD OF MANUFACTURE THEREOF
A magnetic write head for data recording having a magnetic write pole with a stepped magnetic shell structure that defines a secondary flare point. The secondary flare point defined by the... |
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US20090080106 |
Magnetic head and magnetic recording device
It is made possible to restrict the variation of the oscillation frequency of a spin torque oscillator placed in the vicinity of the recording magnetic pole. A magnetic head includes: a recording... |
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US20050219743 |
Perpendicular write head with tapered main pole
Prior art designs of single pole writers have been limited by premature saturation at the tip. This limits the head field that can be achieved without simultaneously widening the write profile.... |
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US20130141819 |
MAGNETIC WRITER FOR PATTERNED MEDIA WITH INCREASED WRITE FIELD
A magnetic writer writes to a magnetic medium including a plurality of tracks that each includes a plurality of isolated magnetic elements for storage of information. The magnetic writer includes... |
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US20060262453 |
Magnetic recording head and magnetic disk storage apparatus mounting the magnetic head
Embodiments of the invention provide a magnetic head which can suppress broadening of the magnetic field distribution in the track-width direction without reducing the magnetic field intensity. In... |
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US20070035878 |
Perpendicular head with self-aligned notching trailing shield process
A perpendicular write head and a method of manufacturing the same is disclosed, the perpendicular write head for writing data onto tracks, the perpendicular write head having a main pole having... |
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US20080002309 |
Magnetic head having a hexagonal write pole tip
A magnetic head is disclosed which includes a hexagonal write head pole tip, having a P3 pole tip having a rectangular portion in which the track width is established, and a beveled portion having... |
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US20110242707 |
HARD DISK DRIVE
A hard disk drive includes a magnetic head to write data to a disk by magnetizing the disk using a leakage magnetic flux that leaks in a disk direction through a write gap provided between a write... |
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US20070153418 |
Magnetic recording head and fabrication process
Disclosed are a thin-film magnetic recording head suitable for high density recording and its fabrication method elaborated to avoid corrosion of the main pole section of the head. A non-magnetic... |
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US20060114606 |
Information recording apparatus and information recording method
Magnetic recording is performed by a magnetic field lower than a coercive force without considerably changing the structure of a magnetic head and the vicinity thereof. When recording is performed... |
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US20060171068 |
Perpendicular magnetic head and perpendicular magnetic disk apparatus
According to one embodiment, a perpendicular magnetic head has a write head including a main pole, a return yoke and a recording coil, a read head including a magnetoresistive film and a pair of... |
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US20160035374 |
MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING AND REPRODUCING DEVICE
According to one embodiment, a magnetic recording head includes a magnetic pole and a shield. The shield has a first opposing surface opposing the magnetic pole. The first opposing surface... |
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US20110085266 |
PERPENDICULAR MAGNETIC RECORDING HEAD
A perpendicular magnetic recording head is provided, which has a head structure that narrows the erase band width in shingled write recording. A perpendicular magnetic recording head has a main... |
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US20090168241 |
Magnetic disk drive
Embodiments of the present invention help to inhibit record information in a perpendicular magnetic recording disk drive from being attenuated or erased due to leakage of a recording magnetic... |
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US20070285837 |
Perpendicular magnetic recording head for high recording density
Provided is a perpendicular magnetic recording head for high density recording. The perpendicular magnetic recording head includes a coil, a return pole, a sub-yoke, and a main pole. The main pole... |
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US20130314818 |
RECORDING HEAD AND DISK DEVICE INCLUDING THE SAME
A recording head includes a main magnetic pole generating a recording magnetic field in a direction perpendicular to a recording medium, a write shield magnetic pole facing a trailing side of the... |
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US20070058294 |
Soft magnetic film, recording head using the same, method of manufacturing soft magnetic film, and method of manufacturing recording head
A soft magnetic film is provided. The soft magnetic film includes a saturated magnetic flux density of at least 2.39 T, in which only N and O are added as impurity elements to a CoFe plating film.... |
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US20060203381 |
Magnetic recording head for perpendicular recording, fabrication process, and magnetic disk storage apparatus mounting magnetic head
A magnetic head for perpendicular recording in which a reduction of an interval between a main pole and a read element is attained by suppressing the phenomenon due to a magnetic field from the... |
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US20070097548 |
Perpendicular magnetic recording apparatus
According to one embodiment, a perpendicular magnetic recording apparatus includes a write head including a main pole, a return pole and an exciting coil, and a medium having a soft underlayer and... |
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US20070211380 |
Perpendicular magnetic head
The perpendicular magnetic head is capable of solving the problems of side track erasing and pole erasing. The perpendicular magnetic head of the present invention comprises a write-head, which... |
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US20060209459 |
Perpendicular magnetic recording head and recording medium for recording data using the same
A perpendicular magnetic recording head and a recording medium for recording data using the same. The perpendicular magnetic recording head includes: a main pole whose lower end has a... |
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US20090073608 |
Perpendicular magnetic recording head
Embodiments of the present invention provide a perpendicular magnetic recording head suitable for high density recording that suppresses erasure after recording by reducing the remanent... |
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US20070211383 |
Perpendicular magnetic recording head and method of manufacturing the same
A perpendicular magnetic recording head and a method of manufacturing the same are provided. The perpendicular magnetic recording head includes a main pole, a return yoke, and a coil which... |
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US20050117250 |
Magnetic recording head, head suspension assembly, magnetic recording apparatus, composite head, and magnetic recording and reproducing apparatus
A magnetic recording head which records information on a recording medium by a vertical magnetic recording method, the magnetic recording head comprises a magnetic pole piece which generates a... |
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US20070211379 |
Perpendicular magnetic head
The perpendicular magnetic head is capable of solving the problem of pole-erasing and performing high density recording by a main magnetic pole. The perpendicular magnetic head comprises a... |
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US20070247752 |
Perpendicular magnetic head
A perpendicular magnetic head suppresses pole erasing due to a remanent magnetization component of a main pole and is capable of higher density recording. The perpendicular magnetic head is... |
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US20120162821 |
WRITE HEAD WITH ROTATIONAL WRITE FIELD
The present disclosure describes various ways to achieve a rotational write field using a single coil. For example, a rotational write field can be achieved with a single coil by using different... |
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US20060203380 |
Perpendicular magnetic disk apparatus
According to one embodiment, a perpendicular magnetic disk apparatus has a perpendicular recording medium including a soft underlayer and a perpendicular recording layer, and a write head... |
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US20090154014 |
Thin film magnetic head and manufacturing method thereof
Embodiments of the present invention improve the recording density of a magnetic disk drives by providing a write head capable of writing adequately on a narrow trackwidth and high coercivity... |
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US20150103440 |
PERPENDICULAR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING/REPRODUCING DEVICE
According to one embodiment, a perpendicular magnetic recording medium includes an underlayer in which the width of the grain boundary between crystal grains is less than 0.5 nm, and a... |