Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
10/2007
10/25/2007US20070247746 Perpendicular magnetic recording write head with notched trailing shield and method for making
10/25/2007US20070247745 Magnetic head and magnetic disk device
10/25/2007US20070247743 Disk drive and control method therefor
10/25/2007US20070247742 Method and apparatus for writing pattern on disk
10/25/2007US20070247741 Method of servo pattern writing on recording surface and data storage device
10/25/2007US20070247737 Stable time domain radial self-servo write propagation
10/25/2007US20070247736 Disk drive apparatus and method for writing and/or reading user data thereof
10/25/2007US20070247734 Manufacturing method of recording medium, electric/magnetic field copy master and electric/magnetic field copying device
10/25/2007US20070247226 Circuit for correcting signal distortions
10/25/2007US20070246251 Novel bonding structure for a hard disk drive suspension using anisotropic conductive film
10/25/2007US20070245909 Composite stamper for imprint lithography
10/25/2007US20070245814 Magnetic disk defect test method, protrusion test device and glide tester
10/25/2007US20070245545 Method of manufacturing a wrap around shield for a perpendicular write pole using a laminated mask
10/25/2007US20070245544 Method for making a perpendicular magnetic recording write head
10/25/2007DE102007016949A1 Cleaning card for e.g. data carrier card reader`s reading head, has section flock attached to carrier unit by ultrasonic-welding, where flock layer of flock includes cleaning fibers that are dimensioned in length, refinement and profile
10/24/2007CN200965780Y A novel directly-winded type magnetic head
10/24/2007CN101061356A Capacitance sensing for substrate cooling
10/24/2007CN101059997A Information recording/reproduction apparatus, head levitation height control method and head levitation control circuit
10/24/2007CN101059985A Method of and apparatus for reproducing data from write-once disc
10/24/2007CN101059979A Bulk erase tool
10/24/2007CN101059965A Disk drive apparatus and head assembly used therefor
10/24/2007CN101059964A Magnetic folding head combination recovery method and device
10/24/2007CN101059963A Thin film magnetic head and fabrication process
10/24/2007CN101059962A Head for perpendicular recording with a floating-trailing shield
10/24/2007CN101059961A Method for utilizing a bulk erase tool to erase perpendicularly recorded media
10/24/2007CN101059960A Bulk erase tool for erasing perpendicularly recorded media
10/24/2007CN101059959A Method for providing a bulk erase tool having a portion of reduced field strength
10/24/2007CN100345208C Magnetic head locator and magnetic disc equipment with the locator
10/24/2007CN100345207C Positioner for positioning head on a disk
10/24/2007CN100345204C Recording medium, method of recording and recording and reproducing device
10/24/2007CN100345191C Wobble signal extracting circuit and optical disk drive
10/24/2007CN100345187C Patterned magnetic recording medium and method of manufacturing the same
10/24/2007CN100345186C Electrical lapping guide embedded in a shield of a magnetic head
10/23/2007US7286744 Apparatus for recording and reproducing information onto and from a recording medium having a ring buffer area
10/23/2007US7286462 Method and device for generating a stable power control signal
10/23/2007US7286461 Optical disk driving apparatus and method, and recording medium and program used therewith
10/23/2007US7286460 Recording medium for storing version information for maintaining recording and/or reproducing compatibility, and method and apparatus for managing the same
10/23/2007US7286459 Optical disc reproduction apparatus determining whether optical disc to be reproduced is read-only or recordable
10/23/2007US7286458 Quality-testing apparatus and method
10/23/2007US7286455 Information recording medium, recording apparatus, recording method and reproduction method utilizing test areas of respective layers provided at different radial positions
10/23/2007US7286453 Rotation control device, method thereof, program thereof, recording medium storing the program, and information processing apparatus
10/23/2007US7286452 Apparatus and method for detecting synchronization of address in pre-groove for optical storage device
10/23/2007US7286329 GMR sensor with shallow contiguous junction and bias layers aligned with free sensor layers
10/23/2007US7286328 Electrostatic discharge protection circuit for preamps connected to magneto-resistive read elements
10/23/2007US7286327 Actuator latch mechanism for hard disk drive
10/23/2007US7286326 Magnetic head with air bearing surface protection film
10/23/2007US7286325 Method and apparatus for connecting metal structures on opposing sides of a circuit
10/23/2007US7286324 Cobalt-platinum or iron-plantinum magnetic material containing 1% to 40% Cu, Ni or B
10/23/2007US7286321 Thin film magnetic head having toroidal coil and manufacturing method of the same
10/23/2007US7286319 Disk drive write control by servo gain
10/23/2007US7286318 Optimization of position mode seeking of a disk drive head based on measured open loop actuator response
10/23/2007US7286317 Disk drive that compensates for repeatable runout of a disk based on measured timing between servo information and methods thereof
10/23/2007US7286316 Method and data storage device for writing patterns onto recording disk
10/23/2007US7286315 Method to detect the touch down of the flying head on disk
10/23/2007US7286314 Disk drive with localized clearance and contact potential measurement capability
10/23/2007US7286313 Correcting radial incoherence in servo track sensing
10/23/2007US7286312 DC-offset compensation loops for magnetic recording system
10/23/2007US7286311 Thermal asperity compensation in perpendicular recording
10/23/2007US7286310 Apparatus for receiving compressed digital information
10/23/2007US7285329 Fine composite metal particles and their production method, micro-bodies, and magnetic beads
10/23/2007US7285227 Method of fabricating printhead to have aligned nozzle guard
10/23/2007US7285226 Method for fabricating a fluid ejection device
10/23/2007US7284837 Fluid ejection device with micro-electromechanical fluid ejection actuators
10/23/2007US7284836 Nozzle arrangement including an actuator
10/23/2007US7284316 Method for forming a hard bias structure in a magnetoresistive sensor
10/23/2007US7284315 Method of forming a magnetic tunnel junction
10/18/2007WO2007116813A1 Method for manufacturing vertical magnetic recording disc, and vertical magnetic recording disc
10/18/2007WO2007116812A1 Magnetic disc and method for manufacturing same
10/18/2007WO2007116723A1 Optical recording head and optical recording device
10/18/2007WO2007116569A1 Spindle stage for testing magnetic head with vcm mechanism and automatic magnetic head mounting/demounting device
10/18/2007WO2007116477A1 Process for producing magnetic recording medium, and magnetic-storage device
10/18/2007WO2007116472A1 Test device, test analysis system, head test device, and head test analysis system
10/18/2007WO2007116469A1 Method of transferring pattern and apparatus for transferring pattern
10/18/2007WO2007115452A1 Load apparatus for hard disk magnetic head assembly
10/18/2007US20070245402 Method and apparatus of recording information on and reproducing information from a recording medium
10/18/2007US20070245078 Information recording method and apparatus, information reproducing method and apparatus
10/18/2007US20070243639 Methods and apparatus for a synthetic anti-ferromagnet structure with reduced temperature dependence
10/18/2007US20070243421 Magnetic Disk Substrate and Production Method of Magnetic Disk
10/18/2007US20070243420 Magnetic Recording Medium
10/18/2007US20070243419 Edge profile of a magnetic recording tape
10/18/2007US20070243418 medium takes advantage of lamination to attain higher signal-to-noise ratio (SNR) yet has improved writability as a result of each recording layer being an exchange-spring type
10/18/2007US20070243417 Magnetic Recording Medium, and Manufacturing Method and Manufacturing Apparatus of the Same, Recording and Reproduction Method of Magnetic Recording Medium, and Recording and Reproduction Apparatus of the Same
10/18/2007US20070242921 Optical Near-Field Generator and Near-Field Optical Recording and Reproduction Apparatus
10/18/2007US20070242592 Three-dimensional optical memory
10/18/2007US20070242396 Magnetoresistive element including heusler alloy layer and method of manufacturing same
10/18/2007US20070242395 Methods of manipulating the relaxation rate in magnetic materials and devices for using the same
10/18/2007US20070242394 Magnetoresistive (mr) element having a continuous flux guide defined by the free layer
10/18/2007US20070242393 Recessed SiO2 or Si3N4 overcoat for GMR head in magnetic disk drive
10/18/2007US20070242392 Shield in a magnetic device with reduced erase filed
10/18/2007US20070242391 Magneto-resistive element, thin film magnetic head, magnetic head device, and magnetic recording/reproducing apparatus
10/18/2007US20070242390 Disk drive apparatus and head assembly used therefor
10/18/2007US20070242389 Method for manufacturing a magnetic write head using a protective layer to prevent write pole consumption
10/18/2007US20070242387 Positioning control circuit, measurement apparatus for trace information and related method
10/18/2007US20070242384 Direct coupled wide-bandwidth front-end with smart bias control amplifier
10/18/2007US20070242383 Method and Apparatus for Improving Signal-to-Noise Ratio for Hard Disk Drives
10/18/2007US20070242382 Asperity data storage system, method and medium
10/18/2007US20070242381 Magnetic recording medium and magnetic recording/reproducing device
10/18/2007US20070242380 Magnetic head device and magnetic recording/reproducing apparatus
10/18/2007US20070242379 Defect reallocation for data tracks having large sector size
10/17/2007EP1845723A2 Information recording apparatus and method, information reading apparatus and method, magnetic tape format, and recording medium
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