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7612965 |
Thin-film magnetic head having heatsink wider on air bearing surface side
A thin-film magnetic head with a higher protrusion efficiency is provided, which comprises: a substrate with an air bearing surface (ABS); a read head element including a lower and upper shield...
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7609482 |
Magnetic head slider supporting device including conductor for reducing crosstalk between lines
A magnetic head slider supporting apparatus comprises: a suspension flexibly supporting a slider; and a flexible wiring board. The suspension incorporates a load beam. The flexible wiring board is...
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7593188 |
Low protrusion compensation air bearing
Magnetic head sliders having air-bearing surfaces designed to reduce the protrusion compensation effect. The magnetic head slider includes: at least one front pad located an upstream portion of the...
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7573682 |
Writer heater for thermal protrusion shape control in a magnetic writer
A transducing device having a storage interface surface includes a writer having a pole tip region, a coil having a width positioned around the writer, and a heating element. The heating element...
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7558021 |
Hub lock/head cleaning dual purpose mechanism
An exemplary embodiment provides for a tape drive that includes one or more processors, a memory and a mechanism for locking a hub and cleaning a magnetic head. The mechanism includes a plate a...
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7551385 |
Systems and method for selectively controlling a state of hydration of a magnetic data storage medium
A magnetic storage system according to one embodiment includes a magnetic head adapted for at least one of reading from a magnetic medium and writing to the medium; a drive mechanism for directing...
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7538978 |
Heat assisted magnetic recording head and heat assisted magnetic recording apparatus for heating a recording region in a magnetic recording medium during magnetic recording
A heat assisted magnetic recording head is provided, which can prevent an effect of a heat in a laser diode when a magnetic recording region is heated by a heating laser beam and which can reduce...
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7538977 |
Method and apparatus for providing diamagnetic flux focusing in a storage device
A method and apparatus for providing improved flux focusing in a write head is disclosed. The present invention uses a diamagnetic material to provide flux focusing in a storage device. An...
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7495856 |
Disk drive slider design for thermal fly-height control and burnishing-on-demand
An embodiment of the invention is a slider with a lift pad and a thermal protrusion pad in which the heads are located. The lift pad is located immediately in front of the thermal protrusion pad...
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7486476 |
Magnetic data system having a shield biasing circuit with resistor coupled between the shield and substrate
A magnetic data system according to one embodiment includes a head having a plurality of readers formed above a common substrate, each reader further comprising a shield and a sensor, a bias...
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7486475 |
Magnetic data system having bias circuit with bias resistor
A magnetic data system according to one embodiment includes at least one reader formed above a substrate, the at least one reader further comprising a shield and a magnetoresistive (MR) sensor. A...
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7483229 |
Optical coupling to data recording transducer
In a recording transducer, radiant energy is incident to be coupled to a recording head via a path defined in the support (e.g., slider) for the head. The radiant energy may be directed via a fiber...
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7474504 |
Magnetic head heating element in a disk drive
A magnetic head slider including: a head element which records or reproduces information on a magnetic disk, a slider having said head element, and an electric conducting film in which paired first...
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7461933 |
Sheet heater assembly having air bearing platelets
An air bearing sheet heater assembly is provided for heating a sheet in an ink imaging printer. It includes a heater plate that has a heating element and defines a first side of a sheet path...
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7457079 |
Magnetic head with rectangular-shaped planar spiral coil and leading core width smaller than trailing core width
A thin film magnetic recording head comprises a substrate, a first magnetic core formed on the substrate, a second magnetic core having the front end face with a magnetic gap with respect to the...
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7440237 |
Thin film magnetic head, head gimbal assembly, and hard disk drive
In a thin film magnetic head of the present invention, lead formation patterns of a first lead for connection between a lower shield layer and a first extraction electrode portion and a second lead...
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7440230 |
Perpendicular recording head with floating-trailing shield extending around first and second sides of main pole piece
Heads for perpendicular recording using a floating-trailing shield are described. The floating-trailing shield is separated from the main pole piece by a layer of non-magnetic material along its...
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7436630 |
System and method for reducing micro-discharge events in a data storage device
A data storage device head having reduced media induced micro-discharge events. The data storage device head includes a support structure, and a wafer. A mitigation voltage, other than a ground...
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7433154 |
Cleaning tape for cleaning a magnetic head
A cleaning tape comprising a support and a coating layer containing powder and a binder, wherein a surface of the coating layer has a central line average roughness of from 5 to 25 nm and has...
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7428124 |
Magnetic recording head with resistive heating element and thermal barrier layer
A thin film magnetic head includes a slider body having a trailing surface meeting an air-bearing surface at a trailing edge. A magnetic read and write elements are disposed along the trailing...
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7420776 |
Thin-film magnetic head, head gimbal assembly, and hard disk drive
A thin-film magnetic head comprises at least one of a magnetoresistive device for reading and an electromagnetic transducer device for writing, and a heating element provided in the head body part....
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7382580 |
Electrically resistive heating device
An electrically resistive heater is formed of a chemically disordered Cr x V 100-x alloy. The alloy exhibits a high temperature coefficient of resistance (T CR ) so that the heater temperature can...
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7372668 |
Recording and/or reproducing device having a positioning arrangement for positioning a cleaning brush
A brush driving mechanism, which drives a cleaning brush from a retracted position to an operation position opposed to a magnetic head, has a main arm having a tip coupled to the cleaning brush...
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7372665 |
Magnetic recording head with resistive heating element located near the write coil
A magnetic head includes a slider body having a trailing surface meeting an air-bearing surface at a trailing edge, with a thin-film transducer disposed on the trailing surface of the slider body...
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7369362 |
Tape cleaning apparatus
Devices, methods and systems for cleaning a tape media within a tape cartridge are described, particularly removable cleaning device inserts, and cartridges adapted to use cleaning device inserts....
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7369358 |
Grounded writer core
A transducing head includes a substrate, a writer having a writer core, and an electrical connector for grounding the writer, wherein the electrical connector electrically connects the writer core...
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7362544 |
Thin film magnetic head slider, magnetic head support mechanism, magnetic disk drive, and method of manufacturing magnetic head
A thermal flying height adjustment slider capable of being mounted on a small-sized thin film magnetic head slider is provided wherein terminals of an energizer serving as a heater prevent...
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7355814 |
Disk texture located in load/unload zone of disk for cleaning contamination and disk lubricant from head ABS surface
The present invention is directed to a load/unload disk drive that includes:
a rotational arm engaging a slider; a magnetic storage disk, wherein the magnetic head in the slider reads data...
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7333300 |
Magnetoresistive device with lapping guide treated to eliminate magnetoresistive effect thereof
A method for reducing noise in a lapping guide. Selected portions of a Giant magnetoresistive device wafer are masked, thereby defining masked and unmasked regions of the wafer in which the...
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7330324 |
Magnetic disk drive having a function for using a thermal protrusion amount for flying height management and an inspection device having such a function
A write head's material having a great thermal expansion coefficient expands due to Joule heat resulting from a write current and a temperature rise dependent on high-frequency core loss, thereby...
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7292410 |
Tape drive head cleaner
A tape drive head cleaner has a brush that is driven to sweep over a write/read head in the direction of longitudinal grooves on the write/read head. Debris that are within the grooves are swept...
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7283328 |
Thin-film magnetic head, head gimbal assembly with thin-film magnetic head, magnetic disk drive apparatus with head gimbal assembly, method for designing thin-film magnetic head and manufacturing method of thin-film magnetic head
A thin-film magnetic head includes at least one inductive write head element and at least one read magnetic head element, capable of controlling a spacing between a magnetic recording medium and...
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7283327 |
Magnetic write head having resistive heater coil
A magnetic write head includes a magnetic yoke having a first pole and a second pole. The first pole and the second pole each terminate at an air bearing surface. The first pole is magnetically...
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7262936 |
Heating device and magnetic recording head for thermally-assisted recording
A heating device for a magnetic recording head includes first and second separating layers, the first separating layer having preferably a higher or equal thermal resistance than the first...
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7248437 |
Perpendicular magnetic recording head and method for manufacturing the same
In a non-magnetic material layer, a concave portion is formed above a groove G. In addition, an auxiliary magnetic pole layer is formed having a convex portion which extends in the direction toward...
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7236332 |
Thermally assisted recording of magnetic using an in-gap optical resonant cavity
A magnetic head including a media heating device that is fabricated within the magnetic head structure. The media heating device is fabricated between the writing magnetic pole of a perpendicular...
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7224553 |
Thin-film magnetic head, head gimbal assembly, and hard disk drive incorporating a heater
A thin-film magnetic head comprises at least one of an electromagnetic transducer and a magnetoresistive device, and a heater member adapted to generate heat upon energization. The heater member...
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7223480 |
Metal laminate and etching method therefor
The present invention relates to a metal laminate which is broadly used for a flexible wiring board or the like and an etching method therefor. In particular, the present invention relates to a...
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7212367 |
Ampere wire write head with confined magnetic fields
A magnetic recording head comprises a write pole having a tip adjacent to an air bearing surface of the recording head, a return pole magnetically coupled to the write pole, a conductor positioned...
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7203035 |
Thin-film magnetic head having a sheet-shaped heater with a lead part connected in series with the heater and having a resistance lower than the heater
A thin-film magnetic head has at least either an electromagnetic transducer or a magnetoresistive device, and a sheet-shaped heater for generating heat when energized. The heater has a heating part...
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7199975 |
Magnetic head for perpendicular recording with hard bias structure for write pole tip
A magnetic head for writing information on a relatively-moving medium is disclosed, the head having a leading end, a trailing end and a medium-facing surface, the head comprising: a soft magnetic...
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7199973 |
Perpendicular magnetic recording head with trailing shield throat height less than shaping layer distance from ABS
A head structure having a write head portion for writing data to magnetic media. The write head portion includes a first pole piece with a first pole tip, a probe pole piece having a probe pole tip...
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7196871 |
Head for perpendicular recording with a floating trailing shield
Heads for perpendicular recording using a floating-trailing shield as part of the magnetic circuit for writing magnetic domains in the recording media are described. The floating-trailing shield is...
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7196866 |
Interconnect structure having multiple layers of traces for electrical connection to a tape head assembly
An apparatus and method for electrically coupling read elements and write elements of a tape head assembly to another component includes an interconnect structure having plural layers of traces,...
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7193817 |
Magnetic head having heat sink structure
A magnetic head having a heat sink structure that is disposed proximate the induction coil to draw heat away from sensitive components of the head. The heat sink is fabricated above the second...
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7187520 |
Magnetic head having thermally assisted recording device, and method of fabrication thereof
A magnetic head including a media heating device that is fabricated within the magnetic head structure. The media heating device includes an electrically resistive element that is fabricated above...
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7180707 |
Thin-film magnetic head, head gimbal assembly, and hard disk drive
A thin-film magnetic head on a support includes an electromagnetic transducer for writing, a magnetoresistive device for reading, an overcoat layer and a heating element. The transducer and...
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7170714 |
Magnetic head having a heater circuit for thermally-assisted writing
A magnetic head for thermally-assisted writing of data to a disk is disclosed. In one illustrative example, the magnetic head includes a write head element and a heating element which is a...
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7170713 |
Heat sink for a magnetic recording head
An effective heat sink is provided for a magnetic recording head. The heat sink conducts heat away from the recording head thus limiting the range of temperatures to which the recording head is...
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7164555 |
Magnetic head with heater of thermal flying height control
In one embodiment, a magnetic write/read device comprising a magnetic read element and a magnetic write element is formed in a thin film magnetic head portion of a magnetic head slider. A heat...
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