| Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826) |
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| 08/21/1991 | EP0442607A1 Polymeric film |
| 08/21/1991 | EP0442566A1 Information recording device |
| 08/21/1991 | EP0442512A2 Magnetic head device for magnetic tapes |
| 08/21/1991 | EP0442422A1 Magnetic recording medium |
| 08/21/1991 | EP0442407A1 Ferromagnetic thin film magnetic field sensor |
| 08/21/1991 | EP0442225A2 Head/gimbal assembly having low stiffness cross band flexure |
| 08/21/1991 | EP0442214A2 A method of manufacturing thin film magnetic heads |
| 08/21/1991 | EP0442213A2 Method of manufacturing a pole tip structure in a thin film magnetic transducer |
| 08/21/1991 | EP0442212A2 A method of manufacturing a thin film magnetic transducer |
| 08/20/1991 | US5041937 Head drum forming an air film between an outer surface thereof and a tape medium |
| 08/20/1991 | US5041936 Magnetic recording transducer assembly with two gaps of different length |
| 08/20/1991 | US5041935 Rotary actuator for positioning magnetic heads in a disk drive |
| 08/20/1991 | US5041934 Actuator for disk drive |
| 08/20/1991 | US5041933 Magnetic head suspension apparatus for use with a photographic film |
| 08/20/1991 | US5041932 Integrated magnetic read/write head/flexure/conductor structure |
| 08/20/1991 | US5041927 Magnetic disc driving apparatus having speed and position control |
| 08/20/1991 | US5041926 Track position syncopation cancellation in a disk drive |
| 08/20/1991 | US5041922 Magnetic recording medium having magnetic storage and saturable layers, and apparatus and method using the medium |
| 08/20/1991 | US5041921 System for recording custom albums from a library of pre-recorded items |
| 08/20/1991 | US5041773 Drive circuit for stepping motor |
| 08/20/1991 | US5041525 Process for manufacture of shaped polyethylene terephthalate structures in the presence of molecular sieve catalyst |
| 08/20/1991 | US5041336 Magnetic recording medium using a binder resin containing a polar group, and a lubricant system comprising two types of fatty acid esters and one fatty acid |
| 08/20/1991 | US5041307 Process for producing magnetic iron oxide particles for magnetic recording |
| 08/20/1991 | US5041189 Accurate track width formed by laser etching on ferrite and ferromagnetic iron-silica-aluminum alloy, in alkali metal hydroxide aqueous solution with aluminate ion generating additive |
| 08/20/1991 | CA2036496A1 Magnetic recording medium and method for preparing the same |
| 08/17/1991 | CA2033700A1 Head/gimbal assembly having low stiffness cross band flexure |
| 08/14/1991 | WO1991012577A1 Disk drive memory |
| 08/14/1991 | EP0441611A1 Magneto-optical recording medium and method for processing the surface |
| 08/14/1991 | EP0441581A2 Method for producing magnetic structure |
| 08/14/1991 | EP0441561A2 Apparatus for generating magnetic field varying in response to an information signal |
| 08/14/1991 | EP0441407A1 System for positioning an object |
| 08/14/1991 | EP0441314A2 Magnetic recording and reproducing apparatus |
| 08/14/1991 | EP0441186A2 Magnetic film laminate and magnetic secondary head thereof |
| 08/14/1991 | EP0441132A2 Apparatus for manufacturing magnetic recording medium |
| 08/14/1991 | EP0441035A1 Pantographic mount for a transducing head |
| 08/14/1991 | EP0440969A1 Method of hardening magnetic media |
| 08/14/1991 | EP0440849A1 Recording - reading head disk system |
| 08/14/1991 | EP0440817A1 Magnetic recording medium |
| 08/14/1991 | EP0440716A1 Magnetic recoding medium |
| 08/14/1991 | CN1053854A Recording head core yoke with full length core support |
| 08/14/1991 | CA2075934A1 Disk drive memory |
| 08/13/1991 | USRE33661 Head positioning assembly |
| 08/13/1991 | US5040087 Magnetic head having combined reading and erasing section |
| 08/13/1991 | US5040086 Positioning mechanism for a head of a magnetic disk drive |
| 08/13/1991 | US5040084 Disk drive system and method |
| 08/13/1991 | US5040083 Combined magnetic head servo system |
| 08/13/1991 | US5039555 Method of preparing lubricant for recording media |
| 08/13/1991 | US5039554 Process for preparing a backing layer of a magnetic recording medium which includes the predispersing of a fine α-Al2 O3 powder in a solvent containing a small amount of binder |
| 08/13/1991 | US5039553 Treating magnetic iron oxide powder with alkaline solution, adding cobalt salt, heating under pressure |
| 08/13/1991 | CA1287637C Fluoropolyethers containing end groups endowed with anchoring capacity |
| 08/10/1991 | CA2036024A1 System for positioning a transducer |
| 08/09/1991 | CA2034859A1 Polymeric film |
| 08/08/1991 | WO1991011803A1 Head amplifier |
| 08/08/1991 | WO1991011750A1 Photographic element containing thin transparent magnetic recording layer and method for the preparation thereof |
| 08/08/1991 | DE4102596A1 Magnetic head e.g. for floppy disc - has coils for recording and playback that are coupled to connector located in housing recess |
| 08/07/1991 | WO1991012526A1 Low molecular weight carbohydrates as additives to stabilize metal oxide compositions |
| 08/07/1991 | EP0440440A2 Disk driving apparatus |
| 08/07/1991 | EP0440396A2 Method of measuring track displacement on a magnetic tape |
| 08/07/1991 | EP0440386A2 Magnetic head and process for manufacturing same |
| 08/07/1991 | EP0440259A2 Method for sputtering a hydrogen-doped carbon protective film on a magnetic disk |
| 08/07/1991 | EP0440091A2 A disk recording/reproducing method and reproducing apparatus |
| 08/07/1991 | EP0439943A2 Recording head core yoke with full length core support |
| 08/07/1991 | EP0439903A2 Recording and reproducing system |
| 08/07/1991 | EP0439531A1 Large capacity magnetic memory card and production method |
| 08/07/1991 | EP0439524A1 Method for preparing magnetic particles of hexaferrites, particles obtainted and product containing them |
| 08/07/1991 | EP0439523A1 Method for the surface treatment of magnetic layers and magnetic layer obtained by using such method |
| 08/07/1991 | EP0292519B1 Process and device for generating material structures of atomic dimensions |
| 08/07/1991 | EP0282527B1 Method for making an amorphous aluminum-nitrogen alloy layer |
| 08/07/1991 | CN1053701A Complex sound/character magnetic tape and its production |
| 08/07/1991 | CA2075491A1 Low molecular weight carbohydrates as additives to stabilize metal oxide compositions |
| 08/07/1991 | CA2035493A1 Glass substrate with controlled low-friction surface |
| 08/06/1991 | US5038330 Bias magnetic field impress apparatus for opto-magnetic disk apparatus including permanent magnet |
| 08/06/1991 | US5038242 Magnetic head containing a barrier layer |
| 08/06/1991 | US5038241 Magnetic recording/playback apparatus having magnetic head assembly adapted to be replaced by users |
| 08/06/1991 | US5038233 Track position detecting mechanism |
| 08/06/1991 | US5038230 Method of accurately executing read access and magnetic recording/reproducing apparatus therefor |
| 08/06/1991 | US5038030 Surface identification for back-coated magnetic recording medium |
| 08/06/1991 | US5037934 Polyurethane resin binder from epoxy, isocyanates, phosphoric acid and polyhydroxy components; durability |
| 08/06/1991 | US5037893 Resin used for magnetic recording media derived from vinyl chloride and quaternary monomer |
| 08/06/1991 | US5037710 Anti-spin-off coating for disc records |
| 08/06/1991 | US5037695 Magnetic recording medium |
| 08/06/1991 | US5037593 Hematite thin film; noncracking |
| 08/06/1991 | US5037515 Sputtering chromium layer followed by cobalt-based alloy layer on glass substrate; low flying head clearance |
| 08/06/1991 | US5036629 Nonmagnetic support; ferromagnetic particles |
| 08/02/1991 | WO1991011816A1 Magnetic dispersion |
| 08/02/1991 | CA2046885A1 Magnetic dispersion |
| 08/02/1991 | CA2009212A1 Bilayer oxide film and process for producing same |
| 08/01/1991 | DE4030791A1 Alloy with enhanced saturation flux density - contg. cobalt, germanium, aluminium and iron used for magnetic video items, has outstanding magnetic properties |
| 07/31/1991 | EP0439375A2 A treatment device |
| 07/31/1991 | EP0439299A2 A circuit for suppressing additive disturbances in data channels |
| 07/31/1991 | EP0439278A2 Method and apparatus for recording data transitions |
| 07/31/1991 | EP0438993A2 High data rate decoding method for coded signal processing channels |
| 07/31/1991 | EP0438806A2 Head suspension connection assembly |
| 07/31/1991 | EP0438687A1 Iron/iron nitride multilayer films |
| 07/31/1991 | CN1053508A Storage device for reversibly storing digital data on multitrack storage medium, decoding device informafion reproducing apparatus for use with such storage device, decoding device and/or information |
| 07/31/1991 | CN1053507A Disk file or tape drive with high serro sample rate |
| 07/30/1991 | US5036419 Electro-mechanical transducing element and a moving device using the same |
| 07/30/1991 | US5036418 Magnetic tape recorder with shielding device for contact-free signal transfer between components moved relative to one another |
| 07/30/1991 | US5036417 Magnetic head feeding device with a rack and pinion |
| 07/30/1991 | US5036416 Aerodynamically releasable lock for a disk file actuator assembly |