Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
11/2003
11/12/2003CN1455927A Actuator for positioning head element finely and head device with the actuator
11/12/2003CN1455919A Head gimbal assembly
11/12/2003CN1455410A Hard-disc driver having disc protector and magnetic head protector
11/12/2003CN1455392A Magnetic head and magnetic recording device with same
11/12/2003CN1455391A Inclination correction method for rotating axis
11/12/2003CN1127733C Cassette converter
11/12/2003CN1127732C Gimbal spring and suspension assembly for head gimbal assembly
11/12/2003CN1127731C Improved notch filtering as used in disc drive servo
11/11/2003US6647148 Boundary line detecting method
11/11/2003US6646964 Harmonic correction in phase-locked loops
11/11/2003US6646835 Spin-valve magnetoresistive thin film element
11/11/2003US6646834 Magnetic transducer, thin film magnetic head, method of manufacturing magnetic transducer and method of manufacturing thin film magnetic head
11/11/2003US6646833 Head assembly capable of reading floppy discs of varying densities and floppy-disc drive incorporating the same
11/11/2003US6646832 Slider for load/unload operation with high stiffness and low unload force
11/11/2003US6646831 Air bearing slider having optimized etch depth ratio
11/11/2003US6646830 Monolithic magnetic read-while-write head apparatus and method of manufacture
11/11/2003US6646829 Slider materials
11/11/2003US6646828 Thin film magnetic head and method of manufacture the same
11/11/2003US6646827 Perpendicular magnetic recording head with write pole which reduces flux antenna effect
11/11/2003US6646825 Data storage using disk media
11/11/2003US6646824 Head-positioning control method and device for a disk device
11/11/2003US6646823 Disk drive using offset data sectors
11/11/2003US6646822 Sampled amplitude read channel employing pipelined reads to reduce the gap between sectors
11/11/2003US6646821 Early leak detection system for a disc drive containing a low-density gas
11/11/2003US6646820 Method for recording magnetic recording medium
11/11/2003US6646448 Data head writer coil testing
11/11/2003US6646436 HDD head holding apparatus with heat compensation
11/11/2003US6646331 Semiconductor device and semiconductor module
11/11/2003US6645892 Glass composition for crystallized glass
11/11/2003US6645889 Glass composition for crystallized glass
11/11/2003US6645888 Glass composition for crystallized glass
11/11/2003US6645648 Magnetic recording medium comprising a backcoat layer having specific protrusions
11/11/2003US6645647 Composite soft magnetic layer are provided. The soft magnetic layer includes a relatively thick layer of low saturation moment soft magnetic material and a relatively thin layer of high saturation moment soft magnetic material
11/11/2003US6645646 Magnetic recording medium and magnetic storage apparatus
11/11/2003US6645634 High-density recording and fast transfer rate, such as decomposition of lubricant involved in a low floating height magnetic head and migration of lubricants involved in high speed rotation of a magnetic recording medium, and to provide
11/11/2003US6645614 Magnetic recording media having enhanced coupling between magnetic layers
11/11/2003US6645551 Predictably adjusting the lattice parameter of the composite underlayer to be close to the lattice parameter of the magnetic layer to optimize magnetic and parametric properties
11/11/2003US6645308 Polish cleaning apparatus and method in manufacture of HGA
11/11/2003US6645051 Water, ethylene oxide-propylene oxide copolymer, acid and abrasive; uniform smoothing of edges and flat surface of magnetic disks
11/11/2003US6643915 Method of making read head spin valve sensor with triple antiparallel coupled free layer structure
11/11/2003US6643914 Method for assembling a disk drive
11/10/2003CA2385911A1 Method and apparatus for two dimensional assembly of particles
11/06/2003WO2003092084A1 Magnetoresistive element, manufacturing method thereof, magnetic head, magnetic memory, and magnetic recording device using the same
11/06/2003WO2003091805A1 Method, device and computer program product for lithography
11/06/2003WO2003022019A3 Wireless suspension design to accommodate multiple drive designs
11/06/2003WO2002063656A3 Chemical monolayer and micro-electronic junctions and devices containing same
11/06/2003US20030208017 Method for purifying a thermoplastic norbornene resin, a substrate using such a resin, and a magnetic recording medium using such a substrate
11/06/2003US20030207956 Dual radiation/thermal cured coating composition
11/06/2003US20030207478 Method of fabricating a shape memory alloy ink jet printing mechanism
11/06/2003US20030207154 Magnetic recording medium and magnetic disc drive
11/06/2003US20030206672 Compound bearing apparatus, and spindle motor and swing arm for hard disk drive means including such bearing apparatus
11/06/2003US20030206513 Optical element, optical head and signal reproducing method
11/06/2003US20030206511 Apparatus and method for manufacturing optical disks, apparatus and method for recording data on optical disks, apparatus and method for reproducing data from optical disks, and optical disk
11/06/2003US20030206384 Spin-valve head containing closed-flux-structure domain control films
11/06/2003US20030206383 Magnetoresistive head and the fabricating method
11/06/2003US20030206382 In-stack longitudinal bias structure for CIP spin valve sensors with bias layer electrically insulated from free layer
11/06/2003US20030206381 Giant magnetoresistive sensor with high-resistivity magnetic layers
11/06/2003US20030206380 Biased CPP Sensor using spin-momentum transfer
11/06/2003US20030206379 Current-perpendicular-to-plane read head with an amorphous magnetic bottom shield layer and an amorphous nonmagnetic bottom lead layer
11/06/2003US20030206378 Overmolded crash stop for a disc drive
11/06/2003US20030206377 Integrated latch/voice-coil-motor magnet assembly
11/06/2003US20030206376 Integrated lead suspension for use in a disk drive using a tri-metal laminate and method for fabrication
11/06/2003US20030206375 Magnetic head device and flexible disc device using the same
11/06/2003US20030206374 Magnetic head and magnetic recording apparatus provided with the same
11/06/2003US20030206373 Thin film magnetic head and thin film magnetic head slider, and methods of producing the same
11/06/2003US20030206370 Thermal pole-tip recession/slide shape variation reduction
11/06/2003US20030206369 Thin-film magnetic head and method of manufacturing same
11/06/2003US20030206368 Hard disk drive having disk protector and magnetic head protector
11/06/2003US20030206367 Disk drive system with enclosed removable cartridge including voice coil/head/disk assembly
11/06/2003US20030206366 Reaction mass dual-stage actuator (DSA) and sensor
11/06/2003US20030206365 Reducing actuator arm oscillation during settle mode in a disc drive servo system
11/06/2003US20030206364 Rotary piezoelectric microactuator with an optimum suspension arrangement
11/06/2003US20030206363 Prediction and cancellation of cage frequency in a disc drive
11/06/2003US20030206361 System and method for pre-stressing a read head for improving performance thereof
11/06/2003US20030206359 Servo writer
11/06/2003US20030206358 Head instability detection for a data storage device
11/06/2003US20030206357 Method and apparatus for testing the reliability of a disk drive
11/06/2003US20030205850 Manufacture of magnetic tape under heat treatment and tension
11/06/2003US20030205459 High read sensitivity heads via seed layer processing; giant magnetoresistance head technology
11/06/2003US20030204952 Inorganic insulating materials are vacuum deposited, with no need to use a hard bake process
11/05/2003EP1359577A2 Variable width flat magnetic-tape head for bi-directional contact recording and method for making the same
11/05/2003EP1359571A1 Magnetic tape
11/05/2003EP1359570A1 Magnetic recording medium and magnetic storage device
11/05/2003EP1359569A1 Read/write assembly for magnetic hard disks
11/05/2003EP1359568A2 Hard disk drive having disk protector and magnetic head protector
11/05/2003EP0916484B1 Lowly electrifiable composite polyester film
11/05/2003CN2585363Y Magnetic disc driving device with changeable storage zone and magnetic channels spacing
11/05/2003CN2585362Y Hard disc device having dynamic magnetic head read-write equipment
11/05/2003CN2585361Y Magnetic disc inertial locking means
11/05/2003CN2585360Y Structure for driving magnetic disc
11/05/2003CN2585359Y Magnetic disc inertial locking means
11/05/2003CN2585358Y Structure for driving magnetic disc
11/05/2003CN1454382A Downstream finned stripper shroud airstream conditioning apparatus for a disc drive
11/05/2003CN1453768A Vertical magnetized film for high-density mixed photomagnetic record
11/05/2003CN1127087C Mask for exposure and exposure method thereof with the same mask of exposure
11/05/2003CN1127073C Disk apparatus
11/05/2003CN1127060C Method for processing segment block of disc
11/04/2003US6643107 Spin valve thin film magnetic element and method of manufacturing the same
11/04/2003US6643106 Method of shunting and deshunting a magnetic read element during assembly
11/04/2003US6643105 Magnetic head having magnetic shield layers