Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
10/2001
10/09/2001US6301086 Thin-film magnetic head supporting structure and method for manufacturing the same
10/09/2001US6301085 Thin film magnetic head
10/09/2001US6301084 Protection of second pole tip during fabrication of write head
10/09/2001US6301083 Video tape recorder
10/09/2001US6301081 Actuator and head lifting tab for a disk drive
10/09/2001US6301080 Dither method to unload negative suction air bearings
10/09/2001US6301079 Flying head slider having a splay formed on a flying surface enabling a lower flying height while avoiding collision with a surface of a recording disk
10/09/2001US6301077 Thin film magnetic head and method of manufacturing the same
10/09/2001US6301076 Narrow track inductive write head having a two-piece pole
10/09/2001US6301075 Thin film magnetic head
10/09/2001US6301073 Device for preventing mechanical shock-induced damage between actuator and disk in computer hard disk drive
10/09/2001US6301071 Methods and systems for self-servowriting including maintaining a reference level within a usable dynamic range
10/09/2001US6301068 Programmable write current waveform for high frequency magnetic recording
10/09/2001US6301066 Storage device having internal and external recording circuits
10/09/2001US6300617 Magnetic digital signal coupler having selected/reversal directions of magnetization
10/09/2001US6299991 Chromium dioxide selectively deposited on gaps; crystal structure
10/09/2001US6299990 Ferromagnetic material and magnetic apparatus employing the ferromagnetic material
10/09/2001US6299973 Acicular hematite particles having a low sodium content and their use in a magnetic recording medium
10/09/2001US6299947 Applying set of laser pulses to disk-shaped substrate to form elliptical texture on substrate for reducing friction; applying magnetic layer to form magnetic disk
10/09/2001US6299946 Method of manufacturing a recording medium
10/09/2001US6299507 Thin-film magnetic head manufacturing method and apparatus
10/09/2001US6299429 Dual fiber optic laser texturing
10/09/2001US6299098 Method and apparatus for manufacturing magnetic recording medium
10/09/2001US6298545 Method of making an actuator arm integrated piezoelectric microactuator
10/04/2001WO2001073787A1 Magnetic disc drive
10/04/2001WO2001073766A1 Apparatus having a disc-shaped component support force-coupled to a drive shaft
10/04/2001WO2001073765A1 Dynamically symmetric actuator
10/04/2001WO2001073764A1 Rotary head device
10/04/2001WO2001073763A1 Storage medium for thermally-assisted magnetic recording
10/04/2001WO2001073762A2 Magnetic recording medium
10/04/2001WO2001029827A9 Air bearing slider with reduced stiction
10/04/2001US20010027029 Thin-film patterning method, manufacturing method of thin-film device and manufacturing method of thin-film magnetic head
10/04/2001US20010027013 Method for forming conductor members, manufacturing method of semiconductor element and manufacturing method of thin-film magnetic head
10/04/2001US20010026947 Thin-film magnetic head material and method of manufacturing same and method of manufacturing thin-film magnetic head
10/04/2001US20010026880 Layer applied to the substrate incorporates inorganic needle-shaped pigment as a supporting pigment
10/04/2001US20010026532 Optical servo magnetic head
10/04/2001US20010026470 Magnetic field element having a biasing magnetic layer structure
10/04/2001US20010026425 Magnetoresistive head, manufacture there of, and magnetic recording/reproducing apparatus with such magnetic head
10/04/2001US20010026424 Giant magneto-resistive device and a fabrication process thereof
10/04/2001US20010026423 Magnetic head and magnetic disk apparatus
10/04/2001US20010026422 Disk apparatus having magnetic head lifting device
10/04/2001US20010026421 Magnetic head, and device and method for manufacturing the same
10/04/2001US20010026420 Recording and/or reproducing apparatus having means for damping vibrations of a component part which cooperates with a record carrier in the form of a tape
10/04/2001US20010026419 Thin film magnetic head for reducing side-fringing
10/04/2001US20010026418 Magnetic head
10/04/2001US20010026415 Disk storage apparatus and head load control method
10/04/2001US20010026414 Disk memory apparatus compensating for temperature in a circuit for monitoring the back electromotive force of a voice coil motor, and method for controlling of a disk memory apparatus
10/04/2001US20010025978 Magnetic random access memory capable of writing information with reduced electric current
10/04/2001US20010025885 Magnetic card reader and method of demodulating magnetic data
10/04/2001EP1139341A1 Information reproducing device, information reproducing head having the chip, information reproducing device and information reproducing method
10/04/2001EP1138016A1 Marking device
10/04/2001EP0869981B1 Carboxylic acid functional polyurethane polymers and blends thereof used in magnetic recording media
10/04/2001EP0839371B1 Multi-phase overcoats for magnetic discs
10/04/2001EP0750005B1 Polyester film for leader tape and process for producing the film
10/04/2001EP0701632B1 Investment casting of aluminium alloys containing beryllium
10/04/2001CA2398950A1 Magnetic recording medium
10/03/2001CN1315723A Magnetic head and its manufacturing method, and magnetic recording and/or reproducing system
10/03/2001CN1072379C 磁记录装置 Magnetic recording device
10/03/2001CN1072378C Magnetic recording and reproduction apparatus
10/02/2001US6298414 Method and medium for recording digital data
10/02/2001US6298138 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
10/02/2001US6298025 Recording and playback of multi-channel digital audio having different resolutions for different channels
10/02/2001US6297968 Mounting structure for mounting flexible printed circuit board and recording/reproducing apparatus using same
10/02/2001US6297938 Magnetic head and method for producing the same
10/02/2001US6297937 Suspension with adjustable preload
10/02/2001US6297936 Integral load beam push-pull microactuator
10/02/2001US6297935 Connecting device for use in a head drum assembly
10/02/2001US6297934 Disk drive actuator arm with differential mount plate support
10/02/2001US6297933 Disk drive suspension with encapsulated damping material
10/02/2001US6297932 Super-textured air bearing surface slider design for data transducers in rotating media random access computer mass storage devices
10/02/2001US6297930 Magnetic head
10/02/2001US6297929 Magnetic storage apparatus
10/02/2001US6297926 Device and method for compensating for interhead track position offset due to the offset of tracks on disk surfaces
10/02/2001US6297925 Method for eliminating wiggle of magnetic head in hard disk drive
10/02/2001US6297922 Magnetic recording control circuit with current reducers
10/02/2001US6297921 Write driver circuit having programmable overshoot and undershoot
10/02/2001US6297920 Information reproduction apparatus
10/02/2001US6297919 Write head with switchable impedance and method for operating same
10/02/2001US6297631 Magnetic signal reproducing method and apparatus using magneto-resistive effect element with increased sense current
10/02/2001US6297630 Method and device for measuring the distribution of magnetic fields
10/02/2001US6296996 Supports with projections
10/02/2001US6296955 High moment and high permeability transducer structures and formation
10/02/2001US6296917 Magnetic disk and magnetic recording/reproduction apparatus
10/02/2001US6296898 Method and system for manufacturing magnetic recording medium
10/02/2001US6296776 Method of manufacturing a combination type thin film magnetic head
10/02/2001US6296552 Burnishing head with fly height control spacer
10/02/2001US6295723 Apparatus for building head stack assemblies
10/02/2001US6295719 Compressive stress treatment method for controlling curvature of a hydrodynamic bearing slider
10/02/2001US6295718 Method for fabricating a non-parallel magnetically biased multiple magnetoresistive (MR) layer magnetoresistive (MR) sensor element
09/2001
09/27/2001WO2001071734A2 Multi-layer tunneling device with a graded stoichiometry insulating layer
09/27/2001WO2001071714A1 Integrated magnetic head for helical magnetic recording on tape and method for making same
09/27/2001WO2001071713A1 Read heads in planar monolithic integrated circuit chips
09/27/2001WO2001071711A1 Magnetic head having a magnet core comprising two core elements and a rear terminating element connected by a non-connecting layer
09/27/2001WO2001071710A1 Rotary head device
09/27/2001WO2001070873A2 Nanocylinder arrays
09/27/2001WO2001070438A1 Device for monitoring and calibrating oxide charge measurement equipment and method therefor
09/27/2001US20010024932 Substrate for magnetic recording media, manufacturing method for the same, and magnetic recording media
09/27/2001US20010024743 Nickel alloy undercoating
09/27/2001US20010024742 Nonmagnetic ruthenium-aluminum alloy on cobalt alloy
09/27/2001US20010024741 Magnetic recording medium