Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
01/2003
01/07/2003US6504670 Method and apparatus for reducing oscillations excited during a seek operation in a disk drive
01/07/2003US6504669 Disc drive having charge feedback drive microactuator
01/07/2003US6504668 Disk drive having improved runout-error compensation, and method therefor
01/07/2003US6504667 Magnetic disk unit and method of manufacture thereof
01/07/2003US6504666 Write head driver circuit and method for writing to a memory disk
01/07/2003US6504665 Method and apparatus for magnetic recording
01/07/2003US6504664 Locating index mark in rotating magnetic storage media
01/07/2003US6504662 Apparatus for measuring and characterizing thermal asperities in a mass data storage device
01/07/2003US6504469 Grain boundary formed at a misorientation angle; colossal magnetoresistive (CMR) properties
01/07/2003US6504386 Liquid dielectric capacitor for film thickness mapping, measurement methods using same
01/07/2003US6504362 Process of measuring slide-reading of abutted-junction read heads
01/07/2003US6504294 Method and apparatus for deposition of diamond-like carbon and silicon-doped diamond-like carbon coatings from a hall-current ion source
01/07/2003US6503857 High rigidity glass-ceramic substrate
01/07/2003US6503600 Magnetic recording medium using a glass substrate
01/07/2003US6503599 Polyester film with specified surface roughness, Young's modulus and heat shrinkage for use as substrate for magnetic recording medium
01/07/2003US6503406 Method for forming the air bearing surface of a slider using nonreactive plasma
01/07/2003US6503405 Surface treatment with ZP process for GMR media
01/07/2003US6503132 Hybrid burnish/glide head with advanced air bearing fly height control rails
01/07/2003US6502755 Optical data storage card
01/07/2003US6502300 Method and apparatus for balancing a rotary actuator by modifying weight distribution characteristics of the rotary actuator for locating an installed head stack assembly portion center-of-gravity along a pivot axis
01/03/2003WO2003001614A1 Magnetoresistive device and its producing method
01/03/2003WO2003001526A1 Cleaning method for magnetic transfer carrier
01/03/2003WO2003001524A2 Systems and methods for removing data stored on long-term memory devices
01/03/2003WO2003001515A1 Cd- or dvd-type medium which is protected against infection from fungi and other parasites
01/03/2003WO2003001514A1 Data storage assembly with robust servo writing methodology
01/03/2003WO2003001513A1 Spin valve sensor with a metal and metal oxide cap layer structure
01/02/2003US20030003763 Substrate for information recording media and manufacturing method thereof
01/02/2003US20030003635 Atomic layer deposition for fabricating thin films
01/02/2003US20030003327 Magnetic recording medium and magnetic disk apparatus using the same
01/02/2003US20030003326 Land and groove recording is adopted and an intensity of a magnetic field for reproduction is reduced; magnetic super resolution reproduction
01/02/2003US20030003325 Soft magnetic thin film and thin film magnetic head using the same
01/02/2003US20030002855 Magnetic recording/reproducing apparatus
01/02/2003US20030002543 Spatial filtering of laser ghosts
01/02/2003US20030002419 Optical disk apparatus permitting high-precision Viterbi decoding
01/02/2003US20030002413 Apparatus for recording information
01/02/2003US20030002396 Optical storage device having optical head and magnetic head
01/02/2003US20030002330 Magnetoresistive element and MRAM using the same
01/02/2003US20030002232 Apparatus and method of making a reduced sensitivity spin valve sensor apparatus in which a flux carrying capacity is increased
01/02/2003US20030002231 Reduced sensitivity spin valve head for magnetic tape applications
01/02/2003US20030002230 Apparatus and method of making a reduced sensitivity spin valve sensor apparatus in which a basic magnetic sensitivity is reduced
01/02/2003US20030002229 Method of making a tunnel junction sensor with a smooth interface between a pinned or free layer and a barrier layer
01/02/2003US20030002228 Magnetic head
01/02/2003US20030002227 Magnetic multilayered films with reduced magnetostriction
01/02/2003US20030002226 Fabrication method for spin valve sensor with insulating and conducting seed layers
01/02/2003US20030002225 Apparatus and method of making a reduced sensitivity spin valve sensor apparatus in which a flux injection efficiency is reduced
01/02/2003US20030002224 Head drum device and magnetic recorder/reproducer
01/02/2003US20030002223 Actuator stop
01/02/2003US20030002222 Connector for flexible printed circuit boards, head actuator provided with the same, and disk drive
01/02/2003US20030002221 Apparatus to prevent media misthreading
01/02/2003US20030002220 Head suspension for disk drive
01/02/2003US20030002219 Magnetic head provided with resin-molded IC bare-chip between height-restriction plate and suspension and method for manufacturing magnetic head
01/02/2003US20030002218 Negetive pressure type head slider and disk drive employing same
01/02/2003US20030002217 Head suspension assembly, disk device, and head suspension assembly manufacturing method
01/02/2003US20030002213 Glass epoxy board and magnetic head device
01/02/2003US20030002212 Stitched write head design having a sunken shared pole
01/02/2003US20030002211 Magnetic head and magnetic disk drive
01/02/2003US20030002210 Thin-film coil, magnetic head, method of manufacturing the thin-film coil, and method of manufacturing the magnetic head
01/02/2003US20030002207 Disc drive with converging filter inlet for faster cleanup times
01/02/2003US20030002206 Air razor and disk limiter for a hard disk drive
01/02/2003US20030002200 Magnetic disk drive
01/02/2003US20030002199 Method and apparatus for testing mr head instability using a criterion that removes normal head fluctuation from consideration
01/02/2003US20030002198 High bandwidth large stroke spin-stand for data storage component testing
01/02/2003US20030002197 Optimal reader-to-writer offset measurement of a head in a disc drive for reduced track misregistration
01/02/2003US20030002196 Calibration method for use in head loading/unloading type disk apparatus
01/02/2003US20030002195 Tiltable device, in particular hard disk actuator device, with roll and pitch angle active control
01/02/2003US20030002193 Method of providing a programmable voltage bias during multi channel servo mode
01/02/2003US20030002192 Single pole voltage bias loop for increased stability
01/02/2003US20030002191 Pad eliminating decoding method and apparatus for a direct access storage device
01/02/2003US20030002190 Disk drive with optimized read gate delay
01/02/2003US20030002189 Circuit and method for detecting a spin-up wedge and a corresponding servo wedge on spin up of a data-storage disk
01/02/2003US20030002187 Write-safe condition verification apparatus and method for the write element in a disc drive
01/02/2003US20030002185 Preamp fast head switch technique for servo mode
01/02/2003US20030002183 Head contact detector
01/02/2003US20030002182 Magnetic transfer device
01/02/2003US20030001274 Structure having pores and its manufacturing method
01/02/2003US20030001154 Polymer-, organic-, and molecular-based spintronic devices
01/02/2003US20030001036 Variable speed recording method and apparatus for a magnetic tape drive
01/02/2003EP1271511A2 Method and apparatus for preventing illegal copying and illegal installation of information on optical recording medium
01/02/2003EP1271507A2 Circuit and method for detecting a spin-up wedge and a corresponding servo wedge on spin up of a data-storage disk
01/02/2003EP1271506A2 Circuit and method for detecting a servo wedge on spin up of a data-storage disk
01/02/2003EP1271488A2 Data recording/regenerating method, data recording/regenerating apparatus and data recording medium
01/02/2003EP1271487A2 Master carrier for magnetic transfer
01/02/2003EP1271486A2 Magnetic transfer apparatus
01/02/2003EP1271485A2 Magnetic transfer method for a high-density magnetic recording medium
01/02/2003EP1271484A2 Pulsed laser surface treatments for magnetic recording media
01/02/2003EP1271483A1 Metallic thin film type magnetic recording medium and method of manufacturing thereof
01/02/2003EP1271482A2 Thermally stable low noise magnetic recording media
01/02/2003EP1271481A2 Negative pressure type head slider and disk drive employing same
01/02/2003EP1271480A2 Circuit and method for demodulating a servo position burst
01/02/2003EP1271479A2 A data code and method for coding data
01/02/2003EP1271478A2 Data-storage disk having few or no spin-up wedges and method for writing servo wedges onto the disk
01/02/2003EP1271477A1 Tape servo pattern with enhanced synchronization properties
01/02/2003EP1271476A2 Burst position error data write method and magnetic disk unit
01/02/2003EP1271475A2 Magnetic disk drive
01/02/2003EP1270669A1 Biaxially oriented, unidirectionally long polyethylene-2,6-naphthalate film and magnetic tape therefrom
01/02/2003EP1269491A2 Multi-layer tunneling device with a graded stoichiometry insulating layer
01/02/2003EP1269466A1 Integrated magnetic head for helical magnetic recording on tape and method for making same
01/02/2003EP1269267A1 Method for preparation of iron-based powder and iron-based powder
01/02/2003EP1268087A2 Nanocylinder arrays
01/02/2003EP0943428B1 Biaxially oriented polyester film