Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
12/2001
12/27/2001US20010055170 Apparatus for recording and regenerating data
12/27/2001US20010055169 Reproduction signal evaluation method
12/27/2001US20010055168 Magnetic transfer method and magnetic recording medium
12/27/2001US20010055167 Magnetic information transfer method and apparatus thereof
12/27/2001US20010055132 Optical disk recordable using both a cipher key and disk identification information for encryption
12/27/2001US20010054340 Method of cutting magnetic recording medium and cutting apparatus
12/27/2001US20010054225 Apparatus and method for separating head gimbal assembly from bonding jig
12/27/2001CA2392487A1 Magnetic recording medium and method for fabricating a magnetic recording medium
12/27/2001CA2379485A1 Massively parallel fixed head disk drive
12/26/2001CN1328323A Magnetic re-recording method and its apparatus
12/26/2001CN1076849C Axial resonance attenuating apparatus for rotation drum apparatus
12/25/2001US6334190 System for the manipulation of secure data
12/25/2001US6333842 Magneto-resistance effect type composite head and production method thereof
12/25/2001US6333841 Thin film magnetic head and method of manufacturing the same
12/25/2001US6333840 Magnetic recording apparatus
12/25/2001US6333839 Tolerance ring with low consistent installation force profile
12/25/2001US6333838 Voice coil actuated carriage in which a support structure for the carriage is disposed at least partially within the motor
12/25/2001US6333837 Flexible circuit suspension
12/25/2001US6333836 Head suspension assembly for a data storage device
12/25/2001US6333835 Step pad air bearing for load/unload mechanism
12/25/2001US6333834 Rattle reduction mechanism in a removable cartridge for a disk drive
12/25/2001US6333831 Combination linear and rotary head cleaner
12/25/2001US6333830 Low resistance coil structure for high speed writer
12/25/2001US6333828 Magnetic disk unit with slider suspension assemblies and head IC chips
12/25/2001US6333827 Magnetic signal reproducing device, magnetic signal reproducing method and magnetic recording medium for high density reproduction
12/25/2001US6333470 Assembly for chip(s) with magnetic head(s) and method for making same
12/25/2001US6333286 Magnetic disks, smoothness modulus of elasticity, nonbending and nonvibrating
12/25/2001US6333089 Substrate for information recording disk, mold and stamper for injection molding substrate, and method for making stamper, and information recording disk
12/25/2001US6333067 Deposition of ferromagnetic material (chromium oxide, cro2) onto substrate, controlled by pre-patterning substrate to govern crystal structure
12/25/2001US6332962 Thin-film magnetic recording head manufacture using selective imaging
12/25/2001US6332906 Extrusion of metal articles, atomizing for powder metallurgy
12/25/2001US6332338 Generating glass apparatus; prepare chemical intermediate, melt glass, feed melting glass into mold, press shape
12/25/2001US6332264 Method of manufacturing slider and slider manufacturing aid
12/20/2001WO2001097221A2 Drive level flow-field conditioning to reduce flow field turbulence
12/20/2001WO2001097215A1 Reducing actuator arm oscillation during settle mode in a disc drive servo system
12/20/2001WO2001097214A2 Record head for thermally assisted magnetic recording
12/20/2001WO2001096455A1 Magnetic or magnetisable bonding agent composition
12/20/2001WO2001096068A1 Device and method for measuring amount of grinding in magnetic head producing process
12/20/2001WO2001096063A1 Magnetic head grinding device and method
12/20/2001US20010053458 Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus
12/20/2001US20010053444 Management technique of friction coefficient based on surface roughness, substrate for information recording medium, information recording medium and manufacture method thereof
12/20/2001US20010053272 Playback apparatus and adaptive equalizing circuit
12/20/2001US20010053053 Exchange coupling film and electroresistive sensor using the same
12/20/2001US20010053052 Magnetic sensor
12/20/2001US20010053051 Thin film magnetic head and method of manufacturing the same
12/20/2001US20010053050 Disc drive with improved head pitch adjustment
12/20/2001US20010053049 Information storage apparatus and carriage
12/20/2001US20010053048 Actuator with reinforced voice coil
12/20/2001US20010053047 Actuator system for disc drive
12/20/2001US20010053046 Flying head slider capable of avoiding collision when loaded
12/20/2001US20010053045 Recording head, recording head manufacturing method, combined head and magnetic recording/reproduction apparatus
12/20/2001US20010053044 Disc drive with layered write coil
12/20/2001US20010053043 Method for manufacturing a magnetroresistive element with conductive films and magnetic domain films overlapping a central active area
12/20/2001US20010053038 Method and system for controlling the positioning of a read/write head of a data recording device
12/20/2001US20010053037 Process of measuring slide-reading of abutted-junction read heads
12/20/2001US20010053036 Single ended preamplifier having improved noise characterestics
12/20/2001US20010052773 Test simulation of a read/write head
12/20/2001US20010052543 Magnetic data cardreader system
12/20/2001US20010052509 Method of manufacturing thin film magnetic head
12/20/2001US20010052181 Magnetic head producing method
12/20/2001DE10030021A1 Test device for linear scanning of pole faces in voice coil motor (VCM) system in disk drive, determines magnetic flow density of individual pole faces of VCM system, based on voltage induced in coil
12/20/2001DE10029699A1 Binding composition, useful in magnetic recording materials, comprises radical-polymerized block copolymer and magnetic or magnetizable pigment
12/19/2001EP1164582A2 Secondary agglomerates of magnetic metal particles for magnetic recording and process for producing the same
12/19/2001EP1164581A2 Spindle-shaped goethite particles, spindle-shaped hematite particles, spindle-shaped magnetic metal particles containing iron as main component and processes for producing the same
12/19/2001EP1163669A1 Method of making a patterned magnetic recording head
12/19/2001EP0844061B1 Film of aromatic polyamide and magnetic recording medium using the same
12/19/2001EP0786133B1 Synchronous detection of concurrent servo bursts for fine head position in disk drive
12/19/2001CN1327578A Magnetic head supporting mechanism
12/19/2001CN1327577A Magnetic recording device, method for adjusting magnetic head and magnetic recording medium
12/19/2001CN1327576A Tray for conveying magnetic head for magnetic disk
12/19/2001CN1327235A Method and system for establishing primary record track group in self servo write system
12/19/2001CN1326824A distortion correcting method and device for plane body
12/19/2001CN1326819A Conic fabric label
12/19/2001CN1076507C Method for recording data
12/19/2001CN1076505C Method and unit for recording and reading of multiple speed information by rotary magnetic head
12/19/2001CN1076502C Magnetic tape recording and regenerating device and its method
12/19/2001CN1076500C Magnetic head sub-ambient air pressure slider for a disc drive device or the like
12/19/2001CN1076499C Magnetic head drum assembly
12/19/2001CN1076498C Spin valve magnetoresistive sensor and magneitc recording system using the sensor
12/19/2001CN1076311C Device for automatically turning over work pieces
12/19/2001CN1076248C Lapping apparatus
12/18/2001US6332205 Data recovery system having offset compensation
12/18/2001US6332203 Testing apparatus and method for preventing a disk unit from being damaged
12/18/2001US6331946 Method for protecting on-chip memory (flash and RAM) against attacks
12/18/2001US6331924 Magnetoresistive head using a magnetoresistive element as a magnetic detector
12/18/2001US6331923 Microactuated disk drive suspension with heightened stroke sensitivity
12/18/2001US6331921 Magneto-resistive head read amplifier
12/18/2001US6331920 Backward compatible head and head positioning assembly for a linear digital tape drive
12/18/2001US6331919 Write head impedance termination in magnetic recording
12/18/2001US6331803 Constant bandwidth, variable gain amplifier, and method
12/18/2001US6331773 Pinned synthetic anti-ferromagnet with oxidation protection layer
12/18/2001US6331364 Patterned magnetic recording media containing chemically-ordered FePt of CoPt
12/18/2001US6331344 Biaxially oriented polyester film
12/18/2001US6331342 Magnetic recording medium
12/18/2001US6331338 Amorphous alloy of light rare earth-transition metal and semi-metal, magneto-optical recording layer made of the alloy, and magneto-optical disk adopting the layer
12/18/2001US6330743 Thin film magnetic head and method of manufacturing the same
12/18/2001US6330742 Magnetic head positioning method
12/13/2001WO2001095329A1 Dual stage actuator systems for high density hard disk drives using annular rotary piezoelectric actuators
12/13/2001WO2001095326A2 System and method for terminal short detection
12/13/2001WO2001095316A2 Method and apparatus for cleaning disc drive components