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Match Document Document Title
7643237 Data loss prevention method of a media storage device and media storage device  
A media storage device which reads and writes data from and to a storage medium using a head prevents in advance data loss due to thermal relaxation of data recorded on the storage medium....
7630158 Data loss prevention method of a media storage device and media storage device  
A media storage device reads and writes data from and to a storage medium using a head and prevents in advance data loss due to thermal relaxation of data recorded on the storage medium. Table...
7626894 Heat assisted magnetic recording light delivery with fixed laser and rotating mirror  
An apparatus comprises a moveable arm for positioning an optical transducer adjacent to a storage medium, a stationary light source, and a moveable mirror mounted at a pivot axis of the arm for...
7620519 Burn-in process of producing data correlating elevation of disk drive head to temperature and method of controlling the elevation of the disk drive head using the data  
Data characterizing a read/write head of a hard disk drive is produced in a burn-in process. The method includes measuring the flying height of the head at a first temperature in a burn-in chamber,...
7609591 Heat-assisted magnetic recording head  
A heat-assisted magnetic recording head mounted on an end of a slider having an Air Bearing Surface (“ABS”) for recording data on a recording medium. The heat-assisted magnetic recording head...
7583462 Head amplifier with a heat controller  
Timely and proper flying height adjustment is achieved using a controller, which is designed for a magnetic recording and reproducing apparatus that does not use a magnetic head having a heating...
7561362 Magnetic head having track width expansion mechanism, magnetic storage device and control circuit  
The present invention generally relates to a magnetic head and a magnetic storage device using a recording medium. More particularly, the present invention relates to a magnetic head for expanding...
7554757 Magnetic storage write heads using micro-electro mechanical shutters  
A write head for a magnetic storage system energizes a write coil for a plurality of bit intervals and selectively shutters the magnetic field to alter a magnetic domain of a magnetic storage...
7545595 Magnetic disk apparatus having an adjustable mechanism to compensate write or heat element for off-tracking position with yaw angle  
A magnetic disk apparatus including: a disk holding data as magnetic information on a magnetic recording film; a head to perform writing and reading of the magnetic information; a rotary actuator...
7532435 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...
7529791 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...
7518815 Heat assisted magnetic recording head with multilayer electromagnetic radiation emission structure  
A heat assisted magnetic recording head with a multilayer electromagnetic (EM) radiation emission structure. The multilayer EM radiation emission structure is in optical communication with a light...
7515372 Compensating the effects of static head-media spacing variations and nonlinear transition shift in heat assisted magnetic recording  
An apparatus comprises a storage medium, a recording head, a source of electromagnetic radiation, and a control circuit for modulating the source of electromagnetic radiation in response to a...
7505860 Alignment of unmounted head gimbal assemblies for testing  
A method for dynamic electrical testing of head gimbal assemblies may include initiating an automated continuous process that includes selecting an unmounted head gimbal assembly; aligning the...
7483229 Optical coupling to data recording transducer  
In a recording transducer, radiant energy is incident to be coupled to a recording head via a path defined in the support (e.g., slider) for the head. The radiant energy may be directed via a fiber...
7466634 Magnetic field generator and photomagnetic information storage apparatus  
An object is to provide a magnetic field generator permitting fabrication by a simple manufacturing technique, such as plating, and capable of suppressing the generation of an eddy current as well...
7459097 Method of forming a conductive pattern  
A method of forming a conductive pattern can form a conductive pattern where the aspect ratio of the height to the width is high with favorable electrical connectivity. The method includes a...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Matches 1 - 50 out of 462 1 2 3 4 5 6 7 8 9 10 >