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7446969 Thermally assisted recording system  
A thermally assisted magnetic recording system is provided to achieve excellent thermal resistance and low noise. In one embodiment, a magnetic recording medium is used, in which the magnetic...
7440384 Magnetic recording device for heat assisted magnetic recording  
A magnetic recording device is provided according to the present invention for magnetic recording on a recording medium. The magnetic recording device includes a planar waveguide having a...
7436613 Magnetic recording device  
A magnetic recording device which can write magnetic information with high density. The device uses, for a magnetic recording layer of a magnetic recording medium, a magnetic material whose...
7345840 Light delivery technique for heat assisted magnetic recording head  
A suspension arm for an optical transducer comprises a load beam, a slider coupled to the load beam by a gimbal assembly and including an optical transducer positioned adjacent to an end of the...
7330404 Near-field optical transducers for thermal assisted magnetic and optical data storage  
An optical transducer comprises an optical element for directing an electromagnetic wave to a focal region and a metallic nano-structure having a longitudinal axis substantially parallel to an...
7330336 Dual polarity bias for prolonging the life of a heating element in magnetic data storage devices  
A magnetic read/write head having a heating element to induce a desired amount of thermal protrusion in the read and write elements to control the fly height of the read and write elements over a...
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...
7324296 Methods and apparatus for controlling transducer seek time in a data storage device based on thermal inputs  
Methods of controlling seeking of a transducer that is adjacent to a rotatable disk in a disk drive include determining a seek time associated with moving the transducer from an initial track on...
7298569 Magnetic recording medium and magnetic recording device using the same  
A magnetic recording medium includes: an underlayer constituted of at least a substrate and a nonmagnetic metal element; and an amorphous magnetic layer, made of amorphous magnetic material, which...
7289422 Optical devices having transmission enhanced by surface plasmon mode resonance, and their use in data recording  
A device includes an optical gain medium through which optical radiation is amplified. The device includes first and second reflectors disposed around the gain medium. One of the reflectors...
7289285 Information storage systems  
An information storage apparatus includes a storage media including a plurality of information tracks. Each storage medium has a head assembly having a substantially planar surface and a plurality...
7280297 Optical storage system using an antenna for recording information data to a phase-change type medium  
An assembly and method for recording and/or reading high-density data includes a phase change media, an antenna placed adjacent the phase change media, and a source of electromagnetic radiation.
7272079 Transducer for heat assisted magnetic recording  
An apparatus for concentrating electromagnetic energy comprises a metallic transducer including a first section and a second section, wherein the first section is wider than the second section and...
7251089 Storage medium with overcoat layer for enhanced heating  
A data storage system includes a magnetic storage medium and a write head configured to be positioned adjacent the storage medium and. The write head includes a magnetic field source configured to...
7237001 Downloading system  
A downloading system which can be used freely by many and unspecified persons. A recording medium is loaded in a public downloading apparatus, and use condition confirmation processing is performed...
7230781 Information storage system, and a method of operating it  
An information storage system has structure with a head that can effect information transfers with respect to a storage medium. According to one feature, a control portion monitors a characteristic...
7230780 Method, apparatus and program storage device for providing protrusion feedback for a read/write element  
A method, apparatus and program storage device for providing protrusion feedback for a read/write element is disclosed. A slider with a heating element is provided to control the level of...
7215629 Magnetic recording device for heat assisted magnetic recording  
A magnetic recording device is provided according to the present invention for magnetic recording on a recording medium. The magnetic recording device includes a planar waveguide having a...
7190539 Magnetic recorder having carbon nanotubes embedded in anodic alumina for emitting electron beams to perform heat-assisted magnetic recording  
A heat-assisted magnetic recorder for magnetically recording information onto a recording medium having a given recording coercive field includes an electron beam generator and a magnetic recording...
7169489 Hydrogen storage, distribution, and recovery system  
Cassette based systems and methods of hydrogen storage, distribution, and recovery are disclosed. A cassette or other container may contain a hydrogen storage or storing material. Information may...
7142384 Magnetic recording medium having magnetic decoupling ability  
A magnetic recording medium includes a positioning magnetic layer having magnetism and is used for positioning the optical head. The magnetic recording medium recording method includes a first step...
7133254 Magnetic recording head with heating device  
A magnetic recording disk drive has a magnetic recording head that includes first and second separating layers, and a heater formed between the first and second separating layers. The heater has a...
7133230 Recording head and information recording apparatus  
To generate a satisfactory recording magnetic domain on a recording medium and to improve the durability of a recording head, an information recording apparatus for generating an optical near field...
7130141 Assembly for thermal and/or thermally-assisted information processing  
An information processing assembly includes at least one heater suitable for information processing, and a controller for controlling the at least one heater by at least one of adjusting a power to...
7126777 Disk drive with selectable power source for heater in a slider  
A disk drive with switchable power levels for the heaters in the sliders is disclosed. The invention includes a switch for the electrical circuit of each heater which selects between two or more...
7099097 Thermally assisted magnetic recording method  
A thermally assisted magnetic recording method is implemented for a storage disk with a magnetic recording layer which includes recording areas and non-recording areas. In this method, a heating...
7099096 Heat-assisted magnetic recording head and heat-assisted magnetic recording apparatus  
A heat-assisted magnetic recording head includes a thin film magnetic transducer having a pair of yokes and generating a magnetic field in a magnetic gap between two magnetic poles at the ends of...
7092210 Magnetic recording and reproduction method  
A magnetic recording and reproduction method comprising recording or reproducing a track of a rotating magnetic disk by means of a magnetic head, wherein the magnetic disk comprises a support and a...
7068453 Thermally-assisted perpendicular magnetic recording system and head  
A thermally-assisted perpendicular magnetic recording head includes a write pole tip for generating a magnetic write field in the perpendicular magnetic recording layer, a magnetic shield that...
7054087 Magnetic recording-reproducing apparatus  
A magnetic recording-reproducing apparatus has a magnetic recording medium having a nonmagnetic substrate, and a functional layer and a recording layer formed on the nonmagnetic substrate, the...
7042810 Thermally-assisted magnetic recording head, method of manufacturing the same, and thermally-assisted magnetic recording apparatus  
A thermally-assisted magnetic recording head and a magnetic recording apparatus having the magnetic recording head built in are disclosed. The magnetic recording head is capable of recording...
7038873 Magnetic recording medium having a specific relation of coercive force HC and residual magnetization MR in perpendicular direction to substrate surface  
A perpendicular magnetic recording medium has a substrate, a magnetic functional layer provided on the substrate, and a magnetic recording layer stacked in contact with the magnetic functional...
7027248 Magnetic disk apparatus having an adjustable mechanism to compensate write or heat element for off-tracking position with yaw angle  
In a thermal assisted type magnetic disk apparatus having a head holding a heat element and a write element, in which coercivity of a disk is locally reduced by temperature-increasing the disk and...
6996033 Optical path for a thermal-assisted magnetic recording head  
An optical path or waveguide for a laser-assisted transducing head is disclosed. The optical path extends between the poles of the transducing head to near the write gap. A solid-state laser is...
6989952 Magnetic recording disk drive with laminated media and improved media signal-to-noise ratio  
A magnetic recording disk drive has an inductive write head and a heater to record data in laminated media on the recording disk. The laminated media, with at least two ferromagnetic layers...
6982845 Magnetic recording apparatus and magnetic recording method  
A magnetic recording apparatus comprises a magnetic field impression unit, a current supplying unit and a controlling unit t. The magnetic field impression unit impresses a magnetic field to a...
6982844 Optical aperture for data recording having transmission enhanced by surface plasmon resonance  
Electromagnetic radiation from an optical source is directed onto a metallic structure. The metallic structure in turn emits optical output from an emission region in the structure and onto a...
6982843 Assembly comprising adjustable heat flux mechanism for thermally assisted/thermal information processing and control  
The invention discloses an assembly comprising an adjustable heat flux mechanism suitable for thermally assisted information processing and control. In one embodiment, the assembly discloses a...
6975472 Head with heating element and control regime therefor  
A head with a heating element and control regime therefor is disclosed. In embodiments described, the control regime or controller energizes the heater or heating element to provide intermittent...
6963461 Method for magnetic recording on laminated media with improved media signal-to-noise ratio  
A magnetic recording disk drive has an inductive write head and a heater to record data in laminated media on the recording disk. The laminated media, with at least two ferromagnetic layers...
6950261 Magnetic pattern forming method, magnetic pattern forming apparatus, magnetic disk, and magnetic recording apparatus  
A magnetic pattern forming apparatus, which is designed to form a desired magnetic pattern on a magnetic disk having a magnetic layer on a substrate, is made up of a mask having a pattern identical...
6950260 Thermally assisted magnetic recording system and method of writing using magnetic and thermal gradients  
A magnetic recording system is provided having a write head employing a combination of magnetic write field gradient and thermal gradient to write data on a ‘thermal spring’ magnetic recording...
6947236 Magnetic signal recording method and magnetic recording-reproduction apparatus  
A magnetic signal recording method of the present invention superimposes a recording edge of a recordable region on a region where there is substantial equality between (a) a coercive force in a...
6947235 Patterned multilevel perpendicular magnetic recording media  
A patterned perpendicular magnetic recording medium has magnetic islands that contain stacks of individual magnetic cells to provide multilevel recording. Each cell in an island is formed of a...
6930847 Magnetic recording-reproducing apparatus  
A magnetic recording-reproducing apparatus has a magnetic recording medium having a nonmagnetic substrate, and a functional layer and a recording layer formed on the nonmagnetic substrate, the...
6909674 Thermally assisted magnetic write head system utilizing multilayer thermal barrier coatings  
A magnetic head system, and method for manufacturing a magnetic head are provided. Included is at least one layer and a heating element positioned adjacent the at least one layer. The at least one...
6894857 Magnetic recording apparatus and method of designing the same  
A method of designing a thermally-assisted magnetic recording apparatus having a magnetic recording medium, a heater and a magnetic head includes, determining a stable retention time t st for...
6867940 Method and apparatus for mitigating thermal pole tip protrusion  
A method of operating a transducer includes heating a write element by passing a preheat electrical current through a conductive coil of the write element in a manner which produces a substantially...
6865044 Method for magnetic recording on patterned multilevel perpendicular media using thermal assistance and fixed write current  
A method for magnetic recording uses a fixed write current with thermal assistance to record on a patterned perpendicular magnetic recording medium. The patterned medium has magnetic blocks or...
6853513 Magnetic scanning system  
A scanning device for scanning data-carrying disks. The disks include a magnetisable layer to and from which data is written and read using a magnetic transducer, such as a Giant Magneto-Resistive...
Matches 1 - 50 out of 494 1 2 3 4 5 6 7 8 9 10 >