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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:
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Patent Number Title Of Patent Date Issued
8705323 TAR temperature sensor having faster response time Apr. 22, 2014
8681446 Methods and devices including multiple resistive heating elements Mar. 25, 2014
8681590 Apparatus for increasing data rates in a magnetic head Mar. 25, 2014
8675455 Systems and methods for controlling light phase difference in interferometric waveguides at near field transducers Mar. 18, 2014
8670202 Magnetic head and disk drive with the same Mar. 11, 2014
8670294 Systems and methods for increasing media absorption efficiency using interferometric waveguides Mar. 11, 2014
8666692 Method of estimating curie temperature distribution in a magnetic recording layer Mar. 4, 2014
8654464 Implementing magnetic defect classification using phase modulation Feb. 18, 2014
8654473 Tape head length adjustment Feb. 18, 2014
8653824 Delta temperature test method and system Feb. 18, 2014
8649249 Printing magnetic pattern onto disk Feb. 11, 2014
8643967 Magnetic disk drive and microwave assisted recording method Feb. 4, 2014
8643972 Magnetic storage apparatus, head drive controller, and head drive control method Feb. 4, 2014
8634155 Thermally assisted magnetic recording disk with ion-implant facilitated non-magnetic regions, manufacturing method thereof, and magnetic recording method Jan. 21, 2014
8611034 Microwave-assisted magnetic recording device and method using non-constant microwave Dec. 17, 2013
8599654 Head gimbal assembly using near-field light and information recording and reproducing apparatus including the same Dec. 3, 2013
8597528 Method and system for defining a read sensor using an ion mill planarization Dec. 3, 2013
8593913 Magnetic recording device, controller thereof, and magnetic recording method Nov. 26, 2013
8588040 Thermally assisted magnetic head slider, head gimbal assembly, and hard disk drive with the same, and manufacturing method thereof Nov. 19, 2013
8588038 Optical pickup Nov. 19, 2013
8588037 Magnetic disk device, magnetic disk evaluation apparatus, and magnetic head Nov. 19, 2013
8582225 Microwave-assisted magnetic recording head and magnetic read/write apparatus using the same Nov. 12, 2013
8565047 Systems and methods for data write loopback based timing control Oct. 22, 2013
8559127 Integrated heat assisted magnetic recording head with extended cavity vertical cavity surface emitting laser diode Oct. 15, 2013
8547656 Spin-torque oscillator (STO) for microwave-assisted magnetic recording (MAMR) and methods of use thereof Oct. 1, 2013
8542456 Magnetic head having a contact sensor Sep. 24, 2013
8531795 Apparatus and method for inspecting thermally assisted magnetic head Sep. 10, 2013
8526274 Thermally assisted magnetic recording device Sep. 3, 2013
8518279 Method and system for providing a laser cavity for an energy assisted magnetic recording head Aug. 27, 2013
8514672 Near-field transducer with thermal sensor and system for clocking write data in a patterned-media magnetic recording disk drive Aug. 20, 2013
8509037 Layered optical waveguide and near field transducer Aug. 13, 2013
8508875 Magnetic recording/reproducing apparatus and method for determining magnetic recording condition Aug. 13, 2013
8503270 Thermally-assisted magnetic recording head including a plasmon generator and a magnetic pole Aug. 6, 2013
8503126 Magneto-elastic anisotropy assisted thin film structure Aug. 6, 2013
8503125 Channel-source laser-pulsing system architecture for thermal-assisted recording Aug. 6, 2013
8495813 Method of making an energy-assisted magnetic recording apparatus Jul. 30, 2013
8498182 Wrap-around antenna design for improved performance in thermally-assisted magnetic recording Jul. 30, 2013
8488419 Hybrid plasmon generator structure and process Jul. 16, 2013
8477572 Heat assisted magnetic recording (HAMR) heads including components made of nickel alloys Jul. 2, 2013
8456776 Disk drive head gimbal assembly having a flexure bond pad shelf offset from a tongue Jun. 4, 2013
8456980 Disk drive compensating for laser induced head protrusion in heat assisted magnetic recording Jun. 4, 2013
8451705 Plasmonic transducer having two metal elements with a gap disposed therebetween May. 28, 2013
8451555 Recording head for heat assisted magnetic recording May. 28, 2013
8451556 Method and system for providing a molded capping layer for an energy assisted magnetic recording head May. 28, 2013
8441909 Disk drive increasing laser power at beginning of write in heat assisted magnetic recording May. 14, 2013
8427925 HAMR NFT materials with improved thermal stability Apr. 23, 2013
8427773 Method for magnetic recording using microwave assisted magnetic head Apr. 23, 2013
8418353 Method for providing a plurality of energy assisted magnetic recording EAMR heads Apr. 16, 2013
8416530 Write head with bevel structure and reverse NFT for HAMR Apr. 9, 2013
8405923 Electron beam recording apparatus, controller for the same, and method for controlling same Mar. 26, 2013

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