Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
05/1999
05/12/1999EP0914656A2 Recording of a trick play signal in a helical scan type recording apparatus
05/12/1999EP0914655A2 Recording of a trick play signal on a record carrier
05/12/1999EP0914650A2 Method of manufacturing a body having a structure of layers
05/12/1999EP0914649A1 Longitudinal magnetic recording architecture using azimuthally oriented tracks
05/12/1999EP0914488A1 Magnetic disk substrates formed of ceramic-metal matrix composites with or without metal cladding
05/12/1999EP0726878B1 Process for making goethite
05/12/1999EP0687377B1 A combination of a recording arrangement and a source selection arrangement
05/12/1999DE19749092A1 Sensor for determining thermal effects in bearing region of slide bodies and slide bearings
05/12/1999CN1216624A Master information carrier, process for producing the carrier, and method and apparatus for recording master information signal on magnetic recording medium by using the carrier
05/12/1999CN1043399C Apparatus for recording and reproducing of picture signal
05/11/1999US5903704 Apparatus for selectively recording and reproducing received analog and digital signals
05/11/1999US5903569 Digital serial data interface
05/11/1999US5903532 Disk, recording device, reproducing device, recording method and reproducing method
05/11/1999US5903525 Coil for use with magneto-optical head
05/11/1999US5903460 Method of manufacturing a thin film magnetic head
05/11/1999US5903416 Magnetic head and manufacturing method thereof
05/11/1999US5903415 AP pinned spin valve sensor with pinning layer reset and ESD protection
05/11/1999US5903414 For reproducing a digital signal
05/11/1999US5903413 Transducer carrying actuator assembly
05/11/1999US5903410 Disk drive using multiple servo timing marks that form a code of unique interrelated bit patterns
05/11/1999US5903409 Method and means for maintaining data integrity in disk drives resulting from shock-induced contact between recording and access components during nonoperational periods
05/11/1999US5903408 Data recording/reproducing apparatus having track interference reduction mechanism
05/11/1999US5903406 Magnetic tape recording and reproducing apparatus for analog and digital combined use
05/11/1999US5903404 High density disk unit and disk medium
05/11/1999US5903085 Tester for testing a recording head
05/11/1999US5902676 Coating type magnetic recording medium having a multilayer structure
05/11/1999US5902665 Laser beam irradiated texture on magnetic recording surface, forming projections
05/11/1999US5902466 Sputtering apparatus with magnetic orienting device for thin film deposition
05/11/1999US5902369 Carbon coated metallic mold for making a glass plate
05/11/1999US5902172 Method of polishing memory disk substrate
05/11/1999US5901432 Method for making a thin film inductive write head having a pedestal pole tip and an electroplated gap
05/11/1999US5901431 Method of fabricating a thin film inductive head having a second pole piece having a mushroom yoke portion
05/11/1999US5901430 Method of making integral static compensation features
05/06/1999WO1999022374A1 Data recording apparatus and data recording method, and data editing apparatus and data editing method
05/06/1999WO1999022369A1 Compensation for repeatable run-out error
05/06/1999WO1999022368A2 Magnetic field sensor comprising a spin-tunnel junction
05/06/1999WO1999022367A1 Flexible disc drive
05/06/1999WO1999022287A2 Data retrieval channel detection and compensation
05/06/1999WO1999021912A1 Biaxially oriented film
05/06/1999WO1999021911A1 Biaxially oriented polyester film and magnetic recording media containing the film as the base
05/06/1999WO1999010893A3 Object reconstruction on object oriented data storage device
05/06/1999EP0913830A2 Magnetic tunnel junction device with improved ferromagnetic layers
05/06/1999EP0913819A1 Tape recorder
05/06/1999EP0913813A2 Servo write heads
05/06/1999EP0913812A1 Thin-film technology for a head drum
05/06/1999EP0913811A1 Edge blending for flat tape bearing surface tape heads
05/06/1999EP0913421A1 Biaxially oriented film and magnetic recording medium comprising the same as a base film
05/06/1999EP0628197B1 Digital servo track format
05/06/1999DE19848110A1 Spin valve-type thin film element has a fixed magnetic layer of cobalt-iron alloy
05/05/1999CN1216138A Method of mfg. layered magnetic head and magnetic head
05/05/1999CN1215891A Shround, disk drive, and assembly method thereof
05/05/1999CN1215888A Magnetic disc apparatus
05/05/1999CN1215880A Improved antiparallel-pinned spin-valve-sensor
05/05/1999CN1215879A Magnetic tunnel junction magnetoresistive read head with sensing layer as rear flux guide
05/05/1999CN1215878A Magnetic tunnel junction magnetoresistive read head with sensing layer as flux guide
05/05/1999CN1215877A Thin-film technology for head drum
05/05/1999CN1215876A Magnetic head and magnetic recording or regenerating device
05/04/1999US5901021 Thin-film magnetic head
05/04/1999US5901020 Magnetic disk drive
05/04/1999US5901019 Magnetic hard disk drive head suspension apparatus
05/04/1999US5901018 Magnetic tunnel junction magnetoresistive read head with sensing layer as rear flux guide
05/04/1999US5901017 Suspension for a magnetic head
05/04/1999US5901016 Disk drive suspension with hybrid leads
05/04/1999US5901015 Magnetic head apparatus having a reduced thickness
05/04/1999US5901014 Thin film magnetic head and assembly configured to reduce risk of discharge between the coil and the core slider
05/04/1999US5901012 Magnetic recording and reproduction apparatus ring-type magnetic head for recording signals to recording medium having oblique axis of easy magnetization
05/04/1999US5901010 Magnetic disc recording system employing two stage actuators for simultaneous accesses through multiple recording heads
05/04/1999US5901009 Reduced seek acoustic noise direct access storage device
05/04/1999US5901008 Voice coil driven positioner for coarse and fine positioning of magnetic head in multi-track tape drive
05/04/1999US5901007 Magnetic recording and reproducing apparatus and cleaning cassette therefor
05/04/1999US5901005 Magnetic recording and reproducing apparatus having a drum preamplifier with improved S/N and dynamic range
05/04/1999US5901004 Recording and reproducing apparatus, information signal recording and reproducing system and method of managing invalid area information
05/04/1999US5901003 Method and apparatus for determining systematic errors
05/04/1999US5901002 Circuit in a controller
05/04/1999US5900830 Programmable analog-to-digital converter module
05/04/1999US5900324 One nonmagnetic spacer layer between two magnetic layers; spacer layer made of chromium and molybdenum alloy, magnetic layer made of cobalt, platinum and molybdenum alloy;supressing noise
05/04/1999US5900323 Partially covered nonmagnetic layer with a copper intermediate layer; chromium nonmagnetic crystal control layer; cobalt, chromium, and platinum alloy magnetic layer;superior singnal-to-noise ratio
05/04/1999US5900318 Magnetic storage member
05/04/1999US5900296 Glass substrate for magnetic disk
05/04/1999US5900277 Method of controlling infiltration of complex-shaped ceramic-metal composite articles and the products produced thereby
05/04/1999US5900126 Magnetic recording disks
05/04/1999US5899794 Method for polishing or texturing a magnetic disc
05/04/1999US5899793 Lapping apparatus including a lapping base having pads
04/1999
04/29/1999WO1999021179A1 Magnetic tape
04/29/1999WO1999021178A1 Magnetic tape
04/29/1999WO1999021177A1 Magnetic tape
04/29/1999WO1999021176A1 Head drum for a magnetic recording and reproducing apparatus
04/29/1999WO1999021124A1 Apparatus and method for recovery of data in a lossy transmission environment
04/29/1999WO1999021079A1 Alternate randomizing for even/odd data tracks
04/29/1999WO1999020463A1 Aromatic polyamide film and magnetic recoding media made by using the same
04/29/1999DE19849788A1 Sliding head carriage for read/write head
04/29/1999DE19848776A1 Exchange coupling layer for magnetic head
04/29/1999CA2279393A1 Aromatic polyamide film and magnetic recording media made by using the same
04/28/1999EP0911892A2 Magneto-resistance effect device and method of manufacturing the same
04/28/1999EP0911816A1 Method for producing magnetic recording medium
04/28/1999EP0911815A1 High-density magnetic recording medium and method of manufacturing the same
04/28/1999EP0911814A2 Magnetic recording medium
04/28/1999EP0911813A1 Method and system for making magnetic recording servo tracks with inherent dropout robustness and with encoded track set information, longitudinal position information and other information recorded during tape or disk manufacture
04/28/1999EP0911812A1 Head slider supporting device, disk device and suspension
04/28/1999EP0911811A2 Shielded magnetic tunnel junction magnetoresistive read head