Matches 1 - 50 out of 242 1 2 3 4 5 >


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US20140036384 ABS Design for Uniform Touch-Down and Back-Off in DFH Applications  
A DFH (Dynamic Flying Height) type slider ABS design has significantly improved DFH efficiency and back-off efficiency as well as uniform touchdown detectability. This is the result of decoupling...
US20110128644 REDUCING RECESSION BY HEATING A MAGNETIC TAPE HEAD  
A magnetic tape head including a transducer disposed between a substrate, a recession between the transducer and the substrate, where the recession is formed at least by wear from a magnetic tape....
US20080198496 Near-field light generator plate, thermally assisted magnetic head, head gimbal assembly, and hard disk drive  
A near-field light generator plate 36 of the present invention is arranged to face a medium 10, and one portion 36b and other portion 36a in a medium-facing surface S thereof are made of their...
US20120127839 THERMALLY ASSISTED MAGNETIC WRITE HEAD EMPLOYING A PLASMONIC ANTENNA COMPRISING AN ALLOYED FILM TO IMPROVE THE HARDNESS AND MANUFACTURABILITY OF THE ANTENNA  
A thermally assisted write head having a plasmonic heating device. The plasmonic heating device has a plasmonic antenna located at an air bearing surface of the thermally assisted write head. The...
US20150213817 HEATER TO KEEP READER HEAD IN STABLE TEMPERATURE RANGE  
Technologies are described herein for utilizing a head heater to test temperature stability of a head of a storage device and to prevent the head from operating in an unstable temperature...
US20120105996 THERMALLY ASSISTED MAGNETIC WRITE HEAD EMPLOYING A NEAR FIELD TRANSDUCER (NFT) HAVING A DIFFUSION BARRIER LAYER BETWEEN THE NEAR FIELD TRANSDUCER AND A MAGNETIC LIP  
A thermally assisted magnetic write head having a near-field transducer, a magnetic lip and a diffusion barrier layer between the near-field tranducer and the magnetic lip. The near-field...
US20110038236 Near-Field Light Transducer Comprising Propagation Edge With Predetermined Curvature Radius  
Provided is a near-field light transducer with a propagation edge in which the generation of defects is suppressed. The transducer is formed of a Ag alloy and comprises an edge, the edge...
US20090310243 MAGNETIC HEAD AND MAGNETIC STORAGE DEVICE  
A magnetic head that floats up while directing an air bearing surface to a relatively moving storage medium and stores information into the storage medium, the magnetic head includes: a main...
US20080084627 Exchange-Bias Based Multi-State Magnetic Memory And Logic Devices And Magnetically Stabilized Magnetic Storage  
Magnetic materials and methods for using ferromagnetic and antiferromagnetic coupling and exchange bias for binary and multistate magnetic memory device.
US20130148231 SUSPENSION ASSEMBLY FORMED WITH A PROTECTIVE STRUCTURE  
A magnetic disk drive system that has a suspension assembly that includes a slider having a heating element and a suspension configured with a protective structure that protects the heating...
US20100321815 NOTCHED POLE DESIGN FOR HAMR RECORDING  
A magnetic writer comprises a write pole and a near field transducer. The write pole has a leading edge, a trailing edge and a notch at the leading edge of the write pole. The near field...
US20120201108 TRANSDUCER HEAD TEMPERATURE MONITORING  
Changes in the thermal boundary condition near a close point of an ABS to a media indicate proximity of the ABS with the media. Before contact, heat conduction from the ABS is primarily through...
US20080158708 Preparing for servo write  
Embodiments of the present invention pertain to preparing for servo write. According to one embodiment, a servo write preparation heater is positioned over at least a portion of a surface of a...
US20110279920 Main pole design for thermally assisted magnetic recording  
Improved spatial resolution during TAMR has been achieved by shaping the write pole to have a lower surface that slopes away from the surface of the recording medium, starting at, or near, the...
US20140022662 REFERENCE CIRCUIT WITH CURVATURE CORRECTION USING ADDITIONAL COMPLEMENTARY TO TEMPERATURE COMPONENT  
A reference circuit comprises a first proportional to temperature component providing a first quantity exhibiting a first type of variation as a function of temperature, a first complementary to...
US20100073802 Thermally assisted magnetic head having an asymmetric plasmon antenna and manufacturing method thereof  
A thermally assisted magnetic head according to the present invention includes: a medium-facing surface, a main magnetic pole provided on the medium-facing surface, and a plasmon antenna provided...
US20140085745 STORAGE MEDIA ASPERITY DETECTION  
The present application discloses a transducer head comprising a read element that reads data from a storage media and an asperity sensor that detects a dimension of an asperity on a surface of...
US20070297082 Near-field optical transducers having a tilted metallic pin  
An optical transducer includes an optical element for directing an electromagnetic wave to a focal region and a metallic nano-structure having a longitudinal axis non-parallel to an electric field...
US20140177089 STORAGE DEVICE HEAD INSTABILITY RECOVERY BY HEATING FROM HEAD HEATER  
Technologies are described herein for recovering an instable head in a storage device using an internal head heater. An instability in the reader head may be detected, and, in response to...
US20130163108 METHODS AND DEVICES INCLUDING MULTIPLE RESISTIVE HEATING ELEMENTS  
In certain embodiments, a head includes a writer portion having coils positioned near a writer, a reader portion separate from the writer portion and a single-layer heating circuit positioned near...
US20110267715 MAGNETIC DEVICE CONTAINING A HEATER  
An apparatus that includes a writer that includes a write pole, at least one return pole, a writer coil and a write pole tip, wherein the write coil wraps around the write pole such that the flow...
US20120008230 Thin film magnetic head, head gimbals assembly, head arm assembly and magnetic disk device  
This thin film magnetic head has a magnetic read head and a magnetic write head each having respective end surfaces exposed to an ABS. The magnetic read head includes a magnetic reader including...
US20100232051 COMBINED BULK THERMAL-ASSISTER AND BULK ERASER  
A combined bulk thermal-assister and bulk eraser. The bulk thermal-assister is configured to produce a temperature in a magnetic-recording disk in a hard-disk drive when the hard-disk drive is...
US20120300334 MAGNETIC HEAD WITH SELF COMPENSATING DUAL THERMAL FLY HEIGHT CONTROL  
A magnetic head for data recording having a pair of heating elements that self regulate in response to temperature to distribute heat for thermal actuation. The head includes a first heating...
US20110205660 Spot size converter and thermal assist magnetic recording head therewith  
A spot size converter according to the present invention is capable of shortening the waveguide length in the spot size converter and of promoting a size reduction of the optical waveguide itself...
US20110211428 HEAT-ASSISTED MAGNETIC RECORDING WITH SHAPED MAGNETIC AND THERMAL FIELDS TO MINIMIZE TRANSITION CURVATURE  
Devices and methods are provided for heat-assisted magnetic recording (HAMR). In an illustrative example, a device includes a magnetic write pole having a convex pole tip; a magnetic opposing pole...
US20140009851 DETERMINING HEAD-TO-DISK CONTACT AND/OR SPACING USING FREQUENCY DOMAIN SIGNATURE OF A TEMPERATURE SENSOR  
A high frequency, AC-modulated heater current is applied to a heater of a magnetic head. A resistance change of a temperature sensor located at a region of proximity to a magnetic media is...
US20120120519 Resistance Temperature Sensors for Head-Media and Asperity Detection  
A temperature sensor of a head transducer measures temperature near or at the close point. The measured temperature varies in response to changes in spacing between the head transducer and a...
US20120113541 Magneto-Elastic Anisotropy Assisted Thin Film Structure  
A method includes activating a stress-effecting layer of a thin film structure, having the stress effecting layer adjacent to a magnetic layer, to induce a magneto-elastic anisotropy in the...
US20110286129 METHOD AND SYSTEM FOR MAPPING THE SHAPE OF A HEAD UNDER OPERATING CONDITIONS  
A method and system for determining a shape of a portion of an air-bearing surface (ABS) of a head residing on a slider are described. The ABS is configured to fly at a fly height from and with a...
US20110090586 DISK DRIVE AND METHOD FOR ADJUSTING COMMON-MODE VOLTAGE OF AN ELEMENT ON A HEAD-SLIDER  
A disk drive. The disk drive includes a disk configured to store data, a motor configured to rotate the disk, a head-slider and a controller. The head-slider includes a slider configured to fly in...
US20140269238 HEAD TRANSDUCER EMPLOYING THERMAL SENSOR WITH HIGH-TCR TRANSPARENT CONDUCTING OXIDE  
A head transducer includes a thermal sensor comprising a conducting ceramic material having a temperature coefficient of resistance. The thermal sensor can comprise a transparent conducting oxide...
US20110228420 HEAT-ASSISTED MAGNETIC RECORDING HEAD INCLUDING PLASMON GENERATOR  
A plasmon generator has an outer surface including a plasmon exciting part, and has a near-field light generating part located in a medium facing surface. The plasmon exciting part faces an...
US20090052077 THERMALLY ASSISTED MAGNETIC HEAD WITH OPTICAL WAVEGUIDE AND LIGHT SHIELD  
A thermally assisted magnetic head which can realize high-density writing onto magnetic recording media is provided. The thermally assisted magnetic head includes a magnetic head part having a...
US20110002199 Near-Field Light Generator Comprising Waveguide With Inclined End Surface  
Provided is a near-field light generator capable of avoiding a noise to the generated near-field light. The generator comprises a waveguide and a plasmon antenna comprising a propagation surface...
US20140241138 MAGNETIC HEAD COMPRISING RECORDING PART, READING PART, HEATER FOR EXPANSION OF THE RECORDING PART, AND HEATER FOR EXPANSION OF THE READING PART  
A magnetic head includes a reading part, a recording part that is laminated on the reading part in a planer view, a recording part expansion heater, a reading part expansion heater, and a thermal...
US20110058272 Thermally-Assisted Magnetic Recording Head Comprising Near-Field Light Generator  
Provided is a thermally-assisted magnetic recording head capable of setting the near-field light (NFL-) emission point to be sufficiently close to the write-field-generating portion. The head...
US20140098439 THERMALLY-ASSISTED MAGNETIC WRITE HEAD, HEAD GIMBAL ASSEMBLY, HEAD ARM ASSEMBLY, AND MAGNETIC DISK UNIT  
A thermally-assisted magnetic write head includes a waveguide, a magnetic pole, and a plasmon generator interposed between the waveguide and the magnetic pole. The magnetic pole includes a first...
US20110205661 Optical waveguide and thermal assist magnetic recording head therewith  
An optical waveguide of the present invention is an optical waveguide in order to directly introduce light beams emitted from a light emitting element. In a core that is a waveguide through which...
US20110222184 OPTICAL WAVEGUIDE AND THERMAL ASSIST MAGNETIC RECORDING HEAD THEREWITH  
An optical waveguide, on account of its ability to apply phase resonance of a wavelength and of a first and second triangular plate-like spot size converter members formed of the same material as...
US20080247073 DISK DRIVE APPARATUS AND METHOD OF ADAPTIVELY CONTROLLING FLYING HEIGHT OF MAGNETIC HEAD THEREIN  
An apparatus and method of adaptively controlling a flying height of a magnetic head above a disk in accordance with a change in a user environment of a disk drive apparatus includes determining...
US20100321814 ELECTRICAL LAP GUIDES AND METHODS OF USING THE SAME  
An electrical lap guide having a first layer, the first layer including a material having a first resistivity, the first layer having first and second contact regions for electrically connecting...
US20120002318 Transducer Assembly For Heat Assisted Magnetic Recording Light Delivery  
An apparatus includes a transducer assembly including a waveguide having a core layer and a cladding layer adjacent to the core layer, and a grating structured to couple electromagnetic radiation...
US20110286127 NEAR FIELD TRANSDUCER WITH SHAPED ENERGY RADIATING END  
A magnetic recording head consists of a write pole and a near field transducer close to the write pole that focuses light energy to a focal point. A near field transducer is positioned to receive...
US20090213483 Magnetic head drive device and magnetic recording/reproducing device using this drive device  
A magnetic head drive device drives a heater element for controlling a protrusion amount of the magnetic head. The heater drive circuit of the heater element of the magnetic head, in which a read...
US20060232869 Apparatus for excitation, enhancement, and confinement of surface electromagnetic waves for confined optical power delivery  
An apparatus for producing an optical spot on the order of 25 nm in a recording media. The apparatus includes an optical transducer comprising a waveguide which defines an aperture adjacent to an...
US20110228419 HEAT-ASSISTED MAGNETIC RECORDING HEAD INCLUDING PLASMON GENERATOR  
A plasmon generator has an outer surface including a propagation edge, and has a near-field light generating part lying at an end of the propagation edge and located in a medium facing surface....
US20080180827 Binary anisotropy media  
A magnetic microstructure comprising (i) a magnetic storage layer having a magnetic easy axis perpendicular to a film plane of the storage magnetic layer; (ii) a magnetic assist layer having a...
US20070177302 Thin-film magnetic head having near-field-light-generating portion with trapezoidal end  
A thin-film magnetic head for a heat-assisted magnetic recording which can perform a reliable writing immediately only on a desired track by applying a near-field light to a desired position and...
US20090168220 THERMALLY ASSISTED MAGNETIC HEAD AND MANUFACTURING METHOD OF SAME  
When first and second near-field light-generating portions are irradiated with laser light or other energy rays, near-field light is generated at the tips of both the near-field light-generating...

Matches 1 - 50 out of 242 1 2 3 4 5 >