Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
11/1998
11/10/1998US5834731 Laser texturing apparatus with bernoulli holder
11/10/1998US5834709 Position sensing systems including magnetoresistive elements
11/10/1998US5834374 Method for controlling tensile and compressive stresses and mechanical problems in thin films on substrates
11/10/1998US5834111 Multilayered magnetic recording medium with coercivity gradient
11/10/1998US5834106 Ceramic substrate and producing process thereof, and a suction carrier for wafers using a ceramic wafer-chucking substrate
11/10/1998US5834085 Transitions can be storage at much higher linear densities
11/10/1998US5834084 Dielectric layer comprising an epoxy interleaved with polytetrafluroethylene fibers
11/10/1998US5833871 Method of finishing the surface of a floating type magnetic head
11/10/1998US5832764 Method for adjusting gram load, static attitude and radius geometry for magnetic head suspensions
11/10/1998US5832763 Gram load adjusting method for magnetic head suspensions
11/10/1998US5832591 Method of manufacturing a magnetic head unit
11/10/1998US5832556 Encoded card for cleaning currency readers
11/05/1998WO1998049810A2 Data storage and/or retrieval methods and apparatuses and components thereof
11/05/1998WO1998049686A2 Apparatus for recording an information signal
11/05/1998WO1998049681A1 Dry bonded digital versatile disc with one or more layers of adhesive
11/05/1998WO1998049678A1 Temperature treatment of flexible media for their dimensional stability
11/05/1998WO1998049677A1 Object positioning using discrete sliding mode control with variable parameters
11/05/1998WO1998049676A1 Dual layer magnetic exchange stabilization for mr heads
11/05/1998WO1998049674A1 Erasing method for disc and eraser
11/05/1998WO1998049121A1 Semiconductive zirconia sinter and destaticizing member comprising semiconductive zirconia sinter
11/05/1998WO1998049008A1 Lowly electrifiable composite polyester film
11/05/1998WO1998034228A3 Recording of a trick play signal in a helical scan type recording apparatus
11/05/1998WO1998034227A3 Recording of a trick play signal on a record carrier
11/05/1998WO1998034226A3 Recording of trick play signals on a record carrier
11/05/1998WO1998034225A3 Sync block numbering of trick play signals during recording of such signals on a record carrier
11/05/1998WO1998034224A3 Direction identifier for recording of trick play signals on a record carrier
11/05/1998WO1998034092A3 Object inspection and/or modification system and method
11/05/1998WO1998033174A3 Disk drive failure analysis apparatus and method
11/04/1998EP0875887A1 Reduction of an error caused by a shock
11/04/1998EP0875886A2 A glass-ceramic substrate for a magnetic information storage medium
11/04/1998EP0875066A1 Ferromagnetic pigments
11/04/1998EP0806037B1 Magnetic recording disk
11/04/1998CN2296552Y Fixed magnetic head device capable of two-way recording
11/04/1998CN1198239A Magnetic disk apparatus magnetic disk and disk cartridge
11/04/1998CN1198127A Film of aromatic polyamide and/or aromatic polyimide and magnetic producing medium using the same
11/04/1998CN1197977A Magnetic head and method for production thereof
11/04/1998CN1197976A Orthoscopic speed-changing audio signal playback method and equipment
11/03/1998US5832172 Method and apparatus for recording and reproducing trick play data to and from a digital video tape
11/03/1998US5832084 Recording method of digital magnetic recording medium for copyright protection and variable speed playback
11/03/1998US5831888 Automatic gain control circuit and method
11/03/1998US5831801 Thin film magnetic head with special pole configuration
11/03/1998US5831800 Miniature transformer for read/write transducer
11/03/1998US5831799 Magnetic head for use with a floppy disk device
11/03/1998US5831798 Magnetic head configured to read and/or write information on digital and analog form
11/03/1998US5831796 Apparatus for fixing a head cylinder
11/03/1998US5831795 Head loading mechanism for a disk drive
11/03/1998US5831793 Transducer support assembly
11/03/1998US5831792 Slider having a debris barrier surrounding a transducer
11/03/1998US5831791 Negative Pressure air bearing slider having transition region between positive and negative pressure regions
11/03/1998US5831790 Removable cartridge disk drive with a compact mechanism for engaging the disk cartridge and drive spindle motor
11/03/1998US5831789 Disc recording and/or reproducing apparatus having a disc cassette loading/discharging mechanism with a lock member responsive to a cassette insertion to unlock a sliding member
11/03/1998US5831788 Circuit connector
11/03/1998US5831786 Disk drive having position sensor for ramp load and unload, and method for its use
11/03/1998US5831784 Pseudo differential voltage sense MR preamplifier with improved bandwidth
11/03/1998US5831783 Power source control circuit for controlling an electric potential of a magnetic head and memory apparatus using such a power source control circuit
11/03/1998US5831782 Method and apparatus for supplying optimal bias current to a magnetic head
11/03/1998US5831781 Method and apparatus for detecting flying height variation of head in disk storage system
11/03/1998US5831733 Apparatus and methods for measuring gaps while compensating for birefringence effects in the measurement path
11/03/1998US5830834 Ammonium carboxylate type fluorine-containing compound, solid surface modifier containing the same and magnetic recording medium using the same
11/03/1998US5830590 Improved storage density through improved signal-to-noise ratio and reduced intersymbol interference
11/03/1998US5830588 Ferromagnetic lanthanide material
11/03/1998US5830587 Alloy for magnetic transducers
11/03/1998US5830584 Bicrystal cluster magnetic recording medium
11/03/1998US5830577 Surface having a coating of a host multidentate ligand and a reversibly trapped lubricant
11/03/1998US5830569 Magnetic recording medium containing CoPtO-based alloy magnetic film
11/03/1998US5830557 Non-magnetic undercoating layer for magnetic recording medium, magnetic recording medium and non-magnetic particles
11/03/1998US5830556 Magnetic recording medium
11/03/1998US5830514 Controlling pulses in a laser texturing tool
11/03/1998US5830331 Apparatus and method for sputtering carbon
11/03/1998US5829739 Supporting and distance-changing device
10/1998
10/29/1998WO1998048422A1 Both ends open fluid dynamic bearing with multiple thrust plates
10/29/1998WO1998048420A1 Spindle motor with multiple thrust plate fluid dynamic bearing
10/29/1998WO1998048419A1 Spindle motor with fluid dynamic bearing having a journal in combination with a conical bearing (one side open)
10/29/1998WO1998048418A1 Thin-film electro-magnetic coil design for use in a flying magneto-optical head
10/29/1998WO1998048415A1 A flying magnetic head positioner having rotational fine positioning and adjustable actuator load
10/29/1998WO1998048413A1 Manganese containing layer for magnetic recording media
10/29/1998WO1998048412A2 Microactuator servo system in a disc drive
10/29/1998WO1998048411A1 Adjustable head loading apparatus
10/29/1998WO1998048409A2 Electro-magnetic coil assembly
10/29/1998WO1998048369A1 Apparatus for reading permanently structured magnetic records
10/29/1998WO1998048188A1 Both ends open fluid dynamic bearing having a journal in combination with a conical bearing
10/28/1998EP0874367A2 Recording medium cassette
10/28/1998EP0874355A2 Magnetic head and method for production thereof
10/28/1998EP0873821A2 Lapping tape
10/28/1998EP0873820A2 Laping tape
10/28/1998EP0873559A1 Four channel azimuth and two channel non-azimuth read-after-write longitudinal magnetic head
10/28/1998CN2296057Y 多用磁头 Multi-head
10/28/1998CN1197527A Device for applying magnetizable binder-containing layers to a non-magnetic substrate by means of an extrusion caster
10/28/1998CN1197273A Levitation type head for accessing zone-texture storage medium and disk apparatus having levitation type head
10/28/1998CN1197267A Head suspension with self-shielding ingegrated conductor trace array
10/27/1998US5829011 Apparatus and method of exchanging data and operational parameters in a mass storage system
10/27/1998US5828764 Apparatus for controlling audio recording bias
10/27/1998US5828762 Apparatus for compensating audio signal recording
10/27/1998US5828646 Cartridge handling system with locking devices
10/27/1998US5828536 Magnetic disk and magnetic disk device in which control data section of disk has structural relationship to slider and/or data section
10/27/1998US5828533 Thin film magnetic head with differing saturation magnetic flux density films and spacer between floating surface and coil patterns
10/27/1998US5828532 Getter layer lead structure for eliminating resistance increase phenomena and embrittlement and method for making the same
10/27/1998US5828531 Spin valve sensor with enhanced magnetoresistance
10/27/1998US5828530 Orthogonal spin valve sensor with reduced net field
10/27/1998US5828529 Antiparallel pinned spin valve with read signal symmetry