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US20070036040 |
Dual wire integrated WAMR/HAMR writing head
An apparatus comprises a waveguide, an optical transducer for coupling electromagnetic radiation from the waveguide to a point adjacent to an air bearing surface to heat a portion of a storage... |
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US20140269232 |
NEAR-FIELD LIGHT GENERATOR AND THERMALLY-ASSISTED MAGNETIC RECORDING HEAD
A near-field light generator includes a multilayer structure having a front end face. The multilayer structure includes a first dielectric layer, a second dielectric layer, a third dielectric... |
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US20050047284 |
Heat exchanger using magnetic heat storage material included in cooling water
In a cooling water channel 11 through which cooling water circulates, a heater core 15 in which the cooling water heats air supplied from a blower 16, a heat absorbing part 13 in which the cooling... |
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US20090028007 |
Near-Field Optical Head and Information Recording Apparatus
The invention is a near-field optical head that generates near-field light to heat a predetermined area of a medium and applies a magnetic field to the predetermined area to record information,... |
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US20090207702 |
Electromagnetic field generating element,information recording and reproduction head, and information recording and reproduction device
An electromagnetic field generating element includes a conductor that generates near-field light when irradiated with light and generates a magnetic field when a current flows through the... |
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US20130083635 |
OPTICAL PICKUP
An optical pickup has a laser light source, beam splitter, collimator lens, reflection mirror, objective lens and photo detector are mounted in a case. An objective lens actuator includes a... |
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US20050078564 |
Floating slider, and magneto-optical storage device comprising it
A floating slider (1) includes an opposing face (11) opposed to a storage medium (Dc). The opposing face (11) has a crown surface (7) like an outer columnar surface having an axis extending... |
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US20150154988 |
HEAD GIMBALS ASSEMBLY, METHOD FOR MANUFACTURING THERMAL-ASSISTED MAGNETIC RECORDING AND MANUFACTURING EQUIPMENT OF THERMAL-ASSISTED MAGNETIC RECORDING
Embodiments of the present invention generally relate to a HAMR head. The HAMR head includes an anti-reflecting (AR) coating on a side opposite (e.g., a flex side) of the air bearing surface... |
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US20100074062 |
HEAT-ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING APPARATUS WITH THE MEDIUM
Provided is a magnetic recording medium that generates near-field light within itself and enables favorable heat-assisted magnetic recording with this near-field light. The medium comprises: a... |
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US20110019511 |
Optical Memories, Method for Reading and Writing Such Optical Memories, and Device for Reading and Writing Such Memories
The invention concerns a optical data memory, said memory comprising at least one layer of supporting material, said supporting material including molecules having, in a local zone, a collective... |
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US20070064543 |
Magnetic field control method, storage apparatus, computer-readable storage medium, read retry method and learning method
A magnetic field control method increases or decreases a reproducing magnetic field intensity that is applied to an optical recording medium by a reference offset value in a read retry, and... |
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US20100103783 |
THERMALLY ASSISTED MAGNETIC HEAD
A magnetic write head arranged to maximize efficiency of an optical device used to locally heat a magnetic medium during use, also to maximize efficiency of a heater element for thermal fly height... |
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US20100054093 |
MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING/REPRODUCTION APPARATUS, AND MAGNETIC RECORDING/REPRODUCTION METHOD
A magnetic recording medium (1a) includes: a plurality of magnetic dots (13), provided on a substrate (11), in each of which information is stored by heating of the magnetic body; and separator... |
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US20120039155 |
Hybrid Near-Field Transducer For Heat Assisted Magnetic Recording
An apparatus includes a planar waveguide having a core layer and a cladding layer adjacent to the core layer, the waveguide being shaped to direct light to a focal point; a magnetic pole adjacent... |
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US20110085425 |
Waveguide, recording head, and recording device
Incident light can be efficiently converted into near-field light whose spot size is small. A waveguide 10 includes: a metallic member 11 made of a metallic material; and a dielectric member 12... |
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US20140219069 |
PARTICULATE MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING DEVICE
The magnetic recording medium is a particulate magnetic recording medium for heat-assisted recording, as well as includes a magnetic layer comprising ferromagnetic powder and binder on a... |
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US20110019510 |
RECORDING HEAD AND RECORDER
A recorder has a recording medium for information recording, a light source, an optical system, a slider, and an optical waveguide. To the optical system, light from the light source enters, and... |
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US20140241137 |
Tilted Structures to Reduce Reflection in Laser-Assisted TAMR
A TAMR (Thermal Assisted Magnetic Recording) write head uses the energy of optical-laser excited surface plasmons in a plasmon generator to locally heat a magnetic recording medium and reduce its... |
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US20130229895 |
MAGNETIC HEAD, MAGNETIC RECORDING METHOD AND APPARATUS FOR CONTROLLING MAGNETIC HEAD WITH SPIN TORQUE OSCILLATOR IN A DISK DRIVE
A microwave assisted magnetic recording head includes a recording magnetic pole unit that produces a recording field for writing to a perpendicular magnetic recording medium, and a high-frequency... |
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US20100226217 |
DATA STORAGE DEVICE, DATA STORAGE APPARATUS, AND METHODS FOR STORING AND READING DATAS
A data storage device comprises: a light waveguide element; a protective element; and a plurality of data storage elements interposed between the light waveguide element and the protective... |
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US20100085846 |
HEAT-ASSISTED MAGNETIC RECORDING HEAD CONSTITUTED OF SLIDER AND LIGHT SOURCE UNIT, AND MANUFACTURING METHOD OF THE HEAD
Provided is a method for manufacturing a heat-assisted magnetic recording head, capable of joining a light source unit and a slider with a sufficiently high alignment accuracy. In the method, the... |
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US20160232935 |
METHOD OF WRITING SERVO INFORMATION ON A STORAGE MEDIUM AND ARRANGEMENT FOR WRITING SERVOR INFORMATION ON A STORAGE MEDIUM
According to embodiments of the present invention, a method of writing servo information on a storage medium is provided. The method includes applying heat to a servo portion of a storage medium,... |
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US20140029396 |
HEAT ASSISTED MAGNETIC RECORDING DEVICE WITH PRE-HEATED WRITE ELEMENT
An apparatus includes a write element configured to apply a magnetic field to write data on a portion of a heat-assisted magnetic recording media in response to an energizing current. An energy... |
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US20130083636 |
INFORMATION RECORDING DEVICE, METHOD OF CONTROLLING THE SAME, COMPUTER, AND IMAGE RECORDING DEVICE
An information recording device in accordance with the present invention obtains drive information of a semiconductor laser which is included in a magnetic head by means of a drive information... |
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US20130028058 |
ENERGY-ASSISTED MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING DEVICE
In a case in which a microwave-assisted magnetic recording system is applied to a shingled write system for recording with high density, the width of a high-frequency generation element is... |
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US20110122735 |
THERMALLY ASSISTED MAGNETIC HEAD-SLIDER AND HEAD-GIMBAL ASSEMBLY
A thermally assisted magnetic head-slider includes an air-bearing slider, a metal film, and a semiconductor laser unit. The metal film having an aperture in a part through which light from the... |