Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
06/2004
06/03/2004WO2004047081A2 Bifurcated load ramps for removable storage cartridge
06/03/2004WO2004045793A1 Alloy nano-particle and method for production thereof, and magnetic recording medium using alloy nano-particle
06/03/2004WO2004012027A3 Multipurpose processor, system and method
06/03/2004US20040107426 Magnetic recording medium and magnetic recording device using the same
06/03/2004US20040106295 CMP assisted liftoff micropatterning
06/03/2004US20040106013 pattern of a magnetic layer drawn by scanning a track multiple times with an electron beam whose drawing diameter is < the track width that is < .3 mu m onto high-density recording slave medium
06/03/2004US20040106012 Magnetic detecting element having second antiferromagnetic layer overlying second free magnetic layer extending in track width direction beyond track width
06/03/2004US20040106011 underlay of nonmagnetic or ferromagnetic powder and a magnetic layer of a ferromagnetic powder on a support; both contain a polyurethane binder that has a chain extender; magnitude of saturation magnetic flux density ( phi m) of 150 to 400 G* mu m
06/03/2004US20040106010 forming a magnetic layer containing cobalt, platinum, molybdenum or tungsten and has crystal grain boundaries on a nonmagnetic substrate at 280-450 degrees c
06/03/2004US20040106009 Magnetic recording medium, magnetic recording apparatus using the same, and method and apparatus for manufacturing the magnetic recording medium
06/03/2004US20040105971 microporous substrate partially connected to a nonporous material, and coated with a stable dispersion of an aqueous polyurethane dispersion; and a cationic nitrogen-containing polymeric dye fixative material; ink jet recordable
06/03/2004US20040105940 comprises aqueous polyurethane dispersion, aqueous solution of a cationic nitrogen-containing polymeric dye fixative compound, and an acrylic polymer
06/03/2004US20040105937 Fabrication of self-aligned reflective/protective overlays on magnetoresistance sensors, and the sensors
06/03/2004US20040105368 Storage device with shockproof function and accessing method thereof
06/03/2004US20040105348 Magnetic recording device, recording device, and reproducing device
06/03/2004US20040105315 Measurement of the write current of a current mode write driver while engaged in the writing process
06/03/2004US20040105294 Center frequency adjustment for a notch filter
06/03/2004US20040105196 Composite magnetic head
06/03/2004US20040105195 Spin valve transistor with stabilization and method for producing the same
06/03/2004US20040105194 Spin valve transistor with stabilization and method for producing the same
06/03/2004US20040105193 Novel seed layers for fabricating spin valve heads for ultra-high density recordings
06/03/2004US20040105192 Junction stability and yield for spin valve heads
06/03/2004US20040105191 Continuous free layer spin valve sensor with patterned exchange underlayer stabilization
06/03/2004US20040105190 Voice coil motor coupling structure of hard disk drive
06/03/2004US20040105189 Recording/producing separated type magnetic head
06/03/2004US20040105188 Magnetic media having a servo track written with a patterned magnetic recording head
06/03/2004US20040105186 Method for servo writing and disk drive with servo control system
06/03/2004US20040105185 Method and apparatus to write and inspect servo information on a disc drive
06/03/2004US20040105184 Servo track writing device and method thereof
06/03/2004US20040105183 Magnetic transfer apparatus
06/03/2004US20040104722 Magnetic head tester
06/03/2004US20040104721 Magnetic head testing apparatus
06/03/2004US20040103750 Manganese alloy sputtering target and method for producing the same
06/03/2004US20040103625 Air blower apparatus for use in inspection apparatus and inspection apparatus housing with the air blower apparatus
06/03/2004US20040103549 Method and apparatus for aligning a drum assembly used in a video recording device
06/03/2004US20040103524 Bilayer resist lift-off method and intermediate structure for forming a GMR sensor
06/03/2004US20040103523 Method for manufacturing magnetic head including coil
06/02/2004EP1424738A2 Actuator and method of making the same
06/02/2004EP1424737A2 Actuator and method of making the same
06/02/2004EP1424689A1 Magnetic recording medium
06/02/2004EP1424688A2 Spin valve head and magnetic recording device using the same
06/02/2004EP1424687A2 Magnetic spin valve sensor having an exchange stabilization layer recessed from the active track edge
06/02/2004EP0920976B1 Aromatic polyamide film and magnetic recording medium made by using the same
06/02/2004CN1502104A Method to measure signal decay and a device therefor
06/02/2004CN1501575A Driving method of piezoelectric actuator, piezoelectic actuator, and disk recording and reproducing apparatus using the same
06/02/2004CN1501523A Magnetic tunnel junction device and method for fabricating the same
06/02/2004CN1501390A Tape cassette
06/02/2004CN1501389A Method for disk drive
06/02/2004CN1501352A Method for improving gain of servo area
06/02/2004CN1501351A Servo compensation process for disk drive track and servosystem thereof
06/02/2004CN1500733A ª‡-aluminium oxide powder and production method
06/02/2004CN1152377C Orthoscopic speed-changing audio signal playing method and equipment
06/02/2004CN1152369C Magnetic recording/playing device
06/02/2004CN1152368C Magnetic head and method for production thereof
06/02/2004CN1152311C Optical recorder and optical reproducing device
06/02/2004CN1152160C Method for manufacturing dimorphic crystal group magnetic recording medium
06/02/2004CN1152072C Polymeric compositions containing inorganic fillers, application and preparing method thereof
06/01/2004US6744608 Method and system for making TMR junctions
06/01/2004US6744607 Exchange biased self-pinned spin valve sensor with recessed overlaid leads
06/01/2004US6744606 Dual plane actuator
06/01/2004US6744605 Low-profile pivot assembly
06/01/2004US6744604 Low particulating latch for a disc drive
06/01/2004US6744603 Write/read head supporting mechanism, and write/read system
06/01/2004US6744602 Modified gimbal tongue designs to reduce particle sensitivity
06/01/2004US6744601 Slider having leading surface for contaminant deflection
06/01/2004US6744600 Magnetic disk device and magnetic head slider
06/01/2004US6744599 Air bearing slider with an angularly disposed channel formed between a side rail and a leading side air bearing surface
06/01/2004US6744598 Magnetic disk device and magnetic head slider
06/01/2004US6744597 Dynamic absorber for an actuator arm in a disk drive
06/01/2004US6744594 Servo write head with gaps for writing high and low frequency transitions
06/01/2004US6744591 Positioning control method
06/01/2004US6744590 Seek trajectory adaptation in sinusoidal seek servo hard disk drives
06/01/2004US6744589 Single-sided unipolar device driver for a piezoelectric transducer in a disc drive
06/01/2004US6744585 High frequency recording with a further narrowed data-recording track width as well as advantageously available as a magnetic tape for recording computer data.
06/01/2004US6744583 Method for forming a magnetic pattern in a magnetic recording medium, a magnetic pattern forming device, a magnetic recording medium and a magnetic recording device
06/01/2004US6744582 Thermal-assisted magnetic storage device and method for driving the reading/writing head thereof
06/01/2004US6744581 Method for testing magnetic tape drive apparatus
06/01/2004US6744579 Methods for detecting and mitigating the effects of hard drive head crashes
06/01/2004US6744578 Method and apparatus for controlling write current in writer drivers
06/01/2004US6744577 Piezoelectric actuator and shock sensor
06/01/2004US6744249 Method and instrument for measuring a magnetic field, a method for measuring a current waveform, and method for measuring an electric field
06/01/2004US6744183 Method of bonding piezoelectric element and electrode, and piezoelectric microactuator using the bonding method
06/01/2004US6743530 Method for purifying a thermoplastic norbornene resin, a substrate using such a resin, and a magnetic recording medium using such a substrate
06/01/2004US6743529 Forming a surface roughness in main surface of a glass plate that has been formed into disk shape by imparting a processing mark having permanent strain to main surface of glass plate in circumferential direction; chemically etching
06/01/2004US6743528 Magnetic recording medium
06/01/2004US6743503 Ultra-thin seed layer for multilayer superlattice magnetic recording media
06/01/2004US6743481 Process for production of ultrathin protective overcoats
06/01/2004US6742706 Card reader
06/01/2004US6742694 Solder ball disposing apparatus, solder ball reflow apparatus, and solder ball bonding apparatus
06/01/2004US6742242 First magnetic layer extending beyond air bearing surface, insulating layer, write gap layer, thin film coil, second magnetic layer; etching write gap layer, etching surface of first magnetic layer, overcoating, polishing
06/01/2004US6742241 Method of manufacturing thin film magnetic head and thin film magnetic head
05/2004
05/27/2004WO2004044901A2 Method and apparatus for using vibration to clean a read/write head
05/27/2004WO2004044761A1 Method for reproducing contents information in interactive optical disc device and method for providing contents information in contents provider server
05/27/2004WO2004044595A2 Magnetic field sensor with augmented magnetoresistive sensing layer
05/27/2004WO2004032132A3 Data recording device comprising a diaphragm-type support
05/27/2004WO2003036387A3 Method of forming a pattern of sub-micron broad features
05/27/2004WO2003023767A3 Radiation power and/or field control for domain expansion recording medium
05/27/2004US20040103445 Method for reproducing contents information in interactive optical disc device and method for providing contents information in contents provider server
05/27/2004US20040103422 Hybrid recording device (HRD) with magneto-resistance head on optically assisted media
05/27/2004US20040101978 Method of forming a barrier layer of a tunneling magnetoresistive sensor