Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
01/1998
01/13/1998US5706574 Assembly method of carriage assembly of magnetic disk drive
01/13/1998US5706573 Method for fabricating a hard disk driving apparatus
01/08/1998WO1998000841A1 Virtual contact hard disk drive with planar transducer
01/08/1998WO1998000840A1 Thin film magnetic head tip and manufacturing method therefor
01/08/1998WO1998000838A1 Multitrack tape device using a movable magnetic head with a planar surface and comprising tape supporting means
01/08/1998WO1998000744A1 Dark field, photon tunneling imaging systems and methods
01/08/1998WO1998000572A1 Magnetic disk substrates formed of ceramic-metal matrix composites with or without metal cladding
01/08/1998DE19728757A1 Signal processing arrangement
01/08/1998DE19626824A1 Magnetic tape containing poly:urethane binder
01/08/1998CA2259483A1 Magnetic disk substrates formed of ceramic-metal matrix composites with or without metal cladding
01/07/1998EP0817178A1 Coated acicular magnetic iron oxide particles
01/07/1998EP0817177A1 Iron oxide magnetic powder and magnetic recording medium using the same
01/07/1998EP0817176A1 Disc type magnetic recording medium
01/07/1998EP0817175A1 Magnetic recording medium and method of manufacturing the same
01/07/1998EP0817174A1 Magnetic recording medium and method of manufacturing the same
01/07/1998EP0817173A1 A magnetic storage and reproducing system with a low permeability keeper and a self-biased magnetoresistive reproduce head
01/07/1998EP0817172A1 Magnetic matrix head for recording/reproducing and process for producing same
01/07/1998EP0817171A2 Shielded magnetic head having an inductive coil with low mutual inductance
01/07/1998EP0815556A1 A method and system for writing a servo-pattern on a storage medium
01/07/1998EP0789905A4 Head load/unload and cleaning in a data storage device
01/07/1998EP0765517A4 Aerodynamic actuator-filter latch for hard disk drive
01/07/1998CN1169577A Device for reading and writing data on magnetic recording layer of photo film
01/07/1998CN1169574A Pickup adjusting apparatus of optical disk player
01/07/1998CN1036955C Pretective read-write inhibit decision using fuzzylogic
01/07/1998CN1036952C Record replaying apparatus
01/07/1998CN1036951C Magnetic head and manufacture of same
01/06/1998US5706388 Recording system recording received information on a recording medium while reproducing received information previously recorded on the recording medium
01/06/1998US5706152 Thin film magnetic head having improved insulation of upper side lead terminal
01/06/1998US5706151 Low bias current paired magnetoresistive head with misaligned anisotropy axes
01/06/1998US5706150 Low inertia flux motor rotary actuator
01/06/1998US5706149 Magnetic head positioning arrangement
01/06/1998US5706145 Apparatus and methods for audio tape indexing with data signals recorded in the guard band
01/06/1998US5706080 Single test station that can test a flying height and electrical characteristics of a recording head
01/06/1998US5705973 Bias-free symmetric dual spin valve giant magnetoresistance transducer
01/06/1998US5705954 Differential output type filter circuit
01/06/1998US5705926 Magnetic sensor and magnetic field sensing method of using same based on impedance changes of a high frequency supplied conductor
01/06/1998US5705287 Magnetic recording disk with metal nitride texturing layer
01/06/1998US5705268 Magnetic recording medium with magnetic powder in lower magnetic layer having protective image diameters
01/06/1998US5705253 Video recording tapes suitable for high speed contact duplication
01/06/1998US5705234 Method for manufacturing magnetic hard disk
01/06/1998US5704978 Coating apparatus
01/06/1998US5704715 Altitude insensitive air bearing slider
01/06/1998US5704112 Method of manufacturing a magnetic head
01/02/1998DE19725614A1 Head connector for use in hard disc stack unit
12/1997
12/31/1997WO1997050080A1 Crash stop airlock mechanism
12/31/1997WO1997050079A1 Magnetic disk apparatus, magnetic disk and disk cartridge
12/31/1997CN1169202A Magnetic head sub-ambient air pressure slider for a disc drive device or the like
12/31/1997CN1169201A Information storage unit with electromagnetic lifting device
12/31/1997CN1169200A Arrangement comprising a magnetic write head, and write amplifier with capacktive feed forward compensation
12/31/1997CN1169013A Cassette tape driving device
12/31/1997CN1169010A Recording and reproducing apparatus
12/31/1997CN1169007A Automatic disk discriminating method and apparatus in optical disk system
12/31/1997CN1169006A Head drum assembly of tape recorder
12/31/1997CN1169005A Magnetic disk and magnetic disk device
12/31/1997CA2230707A1 Crash stop airlock mechanism
12/30/1997US5703867 Information recording medium
12/30/1997US5703845 Reading device with cross-talk correction of two signal trains
12/30/1997US5703840 Magnetic head and magneto-optical recording device
12/30/1997US5703839 Magnetic head for magnetooptical recording apparatus
12/30/1997US5703742 Universal cassette cartridge
12/30/1997US5703740 Toroidal thin film head
12/30/1997US5703739 Composite magnetic head
12/30/1997US5703738 Magnetic head magneto-resistive element with c-shaped multi-layered structure
12/30/1997US5703737 Magnetic recording reproduction apparatus with improved adjustment characteristics for audio-control head
12/30/1997US5703733 Magetic recording/reproducing method, magnetic reproducing apparatus used therefor, magnetic recording medium and method for producing the same
12/30/1997US5703485 Method and test structure for determining magnetic domain switching field when fabricating patterned exchange biased magnetoresistive (MR) head
12/30/1997US5702834 Magneto-resistance effect element
12/30/1997US5702832 Magnetoresistance effect element
12/30/1997US5702831 Multilayer read only memory; high density, magnetoresistance
12/30/1997US5702821 Magnetic recording medium comprising ferromagnetic powder and a specified polyurethane resin
12/30/1997US5702794 Laminated polyester film for magnetic recording medium
12/30/1997US5702757 Process for producing magnetic recording medium
12/30/1997US5702756 Process for making a thin film magnetic head
12/29/1997EP0814519A2 Magnetoresistive effect device, process for fabricating the same, and magnetic head produced using the same
12/29/1997EP0814460A2 Magnetic head having encapsulated magnetoresistive transducer and multilayered lead structure
12/29/1997EP0813792A1 Generation of artificial vertical-synchronization pulses in a multi-speed reproduction mode of a vtr
12/29/1997EP0813738A1 Positioning of a head relative to a plurality of tracks
12/29/1997EP0813737A1 Sliding mode control of a disk drive actuator
12/29/1997EP0804790A4 Actuator for data storage device
12/29/1997EP0734325B1 Ablative imaging by proximity lithography
12/24/1997WO1997048519A1 Laser illuminator and optical system for disk patterning
12/24/1997CN1168734A Tape support system for arcuate scan rotating head
12/24/1997CN1168529A Method of fixing suspension to actuator arm, and actuator arm assembly
12/23/1997US5701314 On-the-fly error correction using thermal asperity erasure pointers from a sampled amplitude read channel in a magnetic disk drive
12/23/1997US5701225 Tape cassette having a minimized clamp set
12/23/1997US5701224 Rotary head cleaning apparatus and method of controlling same
12/23/1997US5701223 Nickel, cobalt oxide exchange bias layer, iron, manganese, chromium alloy, laminated antiparallel pinned layer, spacer, free ferromagnetic layer
12/23/1997US5701222 Spin valve sensor with antiparallel magnetization of pinned layers
12/23/1997US5701221 Magnetoresistive thin-film magnetic head and method of fabrication thereof
12/23/1997US5701220 Magnetic disk drive
12/23/1997US5701219 Spacer for providing support and a transducer parking structure in a disk drive assembly
12/23/1997US5701218 Flex on suspension design minimizing sensitivities to environmental stresses
12/23/1997US5701213 Symmetrical resistive transducer biasing circuit and method
12/23/1997US5701103 Amplifying circuit with DC voltage feedback to base terminal for magnetic record and playback apparatus
12/23/1997US5701002 Identification card and its manufacture
12/23/1997US5700960 Apparatus for testing components to be incorporated in a video cassette recorder
12/23/1997US5700594 Magnetic medium capable of supporting both longitudinal and perpendicular recording, and method of making same
12/23/1997US5700593 Metal thin film magnetic recording medium and manufacturing method thereof
12/23/1997US5700563 Magnetic recording medium
12/23/1997US5700541 Magnetic recording medium