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Class Information
Number: 360/59
Name: Dynamic magnetic information storage or retrieval > General recording or reproducing > Thermomagnetic recording or transducers
Description: Subject matter including changing the coercivity of a record carrier by applying heat thereto in proportion to an information signal or in addition to a magnetic field which is proportional to an information signal.


Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
7345840 Light delivery technique for heat assisted magnetic recording head Mar. 18, 2008
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 Feb. 12, 2008
7330336 Dual polarity bias for prolonging the life of a heating element in magnetic data storage devices Feb. 12, 2008
7330404 Near-field optical transducers for thermal assisted magnetic and optical data storage Feb. 12, 2008
7324296 Methods and apparatus for controlling transducer seek time in a data storage device based on thermal inputs Jan. 29, 2008
7298569 Magnetic recording medium and magnetic recording device using the same Nov. 20, 2007
7289422 Optical devices having transmission enhanced by surface plasmon mode resonance, and their use in data recording Oct. 30, 2007
7289285 Information storage systems Oct. 30, 2007
7280297 Optical storage system using an antenna for recording information data to a phase-change type medium Oct. 9, 2007
7272079 Transducer for heat assisted magnetic recording Sep. 18, 2007
7251089 Storage medium with overcoat layer for enhanced heating Jul. 31, 2007
7237001 Downloading system Jun. 26, 2007
7230781 Information storage system, and a method of operating it Jun. 12, 2007
7230780 Method, apparatus and program storage device for providing protrusion feedback for a read/write element Jun. 12, 2007
7215629 Magnetic recording device for heat assisted magnetic recording May. 8, 2007
7190539 Magnetic recorder having carbon nanotubes embedded in anodic alumina for emitting electron beams to perform heat-assisted magnetic recording Mar. 13, 2007
7169489 Hydrogen storage, distribution, and recovery system Jan. 30, 2007
7142384 Magnetic recording medium having magnetic decoupling ability Nov. 28, 2006
7133254 Magnetic recording head with heating device Nov. 7, 2006
7133230 Recording head and information recording apparatus Nov. 7, 2006
7130141 Assembly for thermal and/or thermally-assisted information processing Oct. 31, 2006
7126777 Disk drive with selectable power source for heater in a slider Oct. 24, 2006
7099096 Heat-assisted magnetic recording head and heat-assisted magnetic recording apparatus Aug. 29, 2006
7099097 Thermally assisted magnetic recording method Aug. 29, 2006
7092210 Magnetic recording and reproduction method Aug. 15, 2006
7068453 Thermally-assisted perpendicular magnetic recording system and head Jun. 27, 2006
7054087 Magnetic recording-reproducing apparatus May. 30, 2006
7042810 Thermally-assisted magnetic recording head, method of manufacturing the same, and thermally-assisted magnetic recording apparatus May. 9, 2006
7038873 Magnetic recording medium having a specific relation of coercive force HC and residual magnetization MR in perpendicular direction to substrate surface May. 2, 2006
7027248 Magnetic disk apparatus having an adjustable mechanism to compensate write or heat element for off-tracking position with yaw angle Apr. 11, 2006
6996033 Optical path for a thermal-assisted magnetic recording head Feb. 7, 2006
6989952 Magnetic recording disk drive with laminated media and improved media signal-to-noise ratio Jan. 24, 2006
6982845 Magnetic recording apparatus and magnetic recording method Jan. 3, 2006
6982844 Optical aperture for data recording having transmission enhanced by surface plasmon resonance Jan. 3, 2006
6982843 Assembly comprising adjustable heat flux mechanism for thermally assisted/thermal information processing and control Jan. 3, 2006
6975472 Head with heating element and control regime therefor Dec. 13, 2005
6963461 Method for magnetic recording on laminated media with improved media signal-to-noise ratio Nov. 8, 2005
6950261 Magnetic pattern forming method, magnetic pattern forming apparatus, magnetic disk, and magnetic recording apparatus Sep. 27, 2005
6950260 Thermally assisted magnetic recording system and method of writing using magnetic and thermal gradients Sep. 27, 2005
6947235 Patterned multilevel perpendicular magnetic recording media Sep. 20, 2005
6947236 Magnetic signal recording method and magnetic recording-reproduction apparatus Sep. 20, 2005
6930847 Magnetic recording-reproducing apparatus Aug. 16, 2005
6909674 Thermally assisted magnetic write head system utilizing multilayer thermal barrier coatings Jun. 21, 2005
6894857 Magnetic recording apparatus and method of designing the same May. 17, 2005
6867940 Method and apparatus for mitigating thermal pole tip protrusion Mar. 15, 2005
6865044 Method for magnetic recording on patterned multilevel perpendicular media using thermal assistance and fixed write current Mar. 8, 2005
6853513 Magnetic scanning system Feb. 8, 2005
6826129 Method and apparatus for recording magnetized mark utilizing magnetic field generated by adjacent magnetized mark to reduce energy level for generating pulsed magnetic field Nov. 30, 2004
6822819 Methods and apparatus for thermally bonding lubricant to a disk surface with use of a heating element formed in a magnetic head Nov. 23, 2004
6816330 Method for forming a magnetic pattern in a magnetic recording medium, magnetic recording medium magnetic recording device and photomask Nov. 9, 2004

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