Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
12/2002
12/24/2002US6498698 Servowriter employing method of unlatching actuator arm using VCM voltage limiting circuit to limit actuator arm velocity
12/24/2002US6498697 Method and system of magnetic recording and reproducing with ultra-high density
12/24/2002US6498696 Unipolar last write which improves magnetic stability
12/24/2002US6498695 Method of detecting position on disk, disk unit and disk
12/24/2002US6498694 Servo error integration in read-channel equalization
12/24/2002US6498693 Method and system for MR offset calibration
12/24/2002US6498692 System and method for processing MR/GMR head signal using phase measurement
12/24/2002US6498691 Digital transmission signal processing system and recording/reproducing system
12/24/2002US6497948 Magnetic recording medium
12/24/2002US6497925 Surface treatment on solgel coated substrate to improve glide height performance
12/24/2002US6497825 Manufacturing method of thin-film magnetic head
12/24/2002US6497611 Method of polishing a magnetic head slider
12/24/2002US6497036 Top cover installation station for a disc drive
12/24/2002US6497021 Method and apparatus for providing a low cost contact burnish slider
12/19/2002WO2002101930A2 High-speed programmable synchronous counter for use in a phase locked loop
12/19/2002WO2002101739A1 Magnetic recording/reproducing apparatus
12/19/2002WO2002101732A1 A pivot embedded torque generating track follow actuator
12/19/2002WO2002101731A2 Low temperature yoke type tunnel valve sensor
12/19/2002WO2002101730A2 Attachment of a head-gimbal assembly to a printed circuit board actuator arm using z-axis conductive adhesive film
12/19/2002WO2002101396A1 Magnetic sensor
12/19/2002WO2002100333A2 Inhibitors of reggamma
12/19/2002WO2002100156A2 Head suspension assembly for a slider tester
12/19/2002WO2002082431A3 Perpendicular magnetic recording head with soft underlayer biasing
12/19/2002WO2002059883A3 Adjustable fly height control using an adjustable head actuator assembly
12/19/2002WO2002059880A3 Integrated electrostatic slider fly height control
12/19/2002US20020194405 Disk array system with large storage capacity
12/19/2002US20020193236 Method for manufacturing spherical ceramic powder and spherical ceramic powder and composite material
12/19/2002US20020193233 For use as a substrate for information recording media such as, e.g., hard disks and optomagnetic disks, a substrate for electrical/electronic parts, an optical part
12/19/2002US20020192599 Method for fabricating plate type magnetic resistance sensor chip element
12/19/2002US20020192506 Combining a magnetic write field gradient and a thermal gradient to write data on a magnetic disk having a high magneto-crystalline anisotropy resulting in an increased areal recording density; heat resistance
12/19/2002US20020192504 Composite magnetic metal particles containing iron as a main component, process for producing the same and magnetic recording medium
12/19/2002US20020192503 Thin film magnetic head and method of fabricating the head
12/19/2002US20020192502 High coercive force and residual magnetic flux density by controlling metallurgical microstructure; rotating machine and magnetic recording medium; anisotropy; alternating layers of refractory metal and magnetic rare earth alloy
12/19/2002US20020192424 Phase-change optical disk
12/19/2002US20020192421 Composite glassy carbon disk substrate for a data storage device and method for fabricating same
12/19/2002US20020191517 Method of printing label on optical disk, optical disk unit, and optical disk
12/19/2002US20020191498 Inductance device driving system, information storage apparatus, and inductance device driving method
12/19/2002US20020191356 Exchange coupled film having improved current-carrying reliability and improved rate of change in resistance and magnetic sensing element using same
12/19/2002US20020191354 Magnetoresistance effect element, magnetic head and magnetic reproducing apparatus
12/19/2002US20020191353 Magnetic sensing element having no variation in track width and capable of properly complying with track narrowing
12/19/2002US20020191352 Magnetic head and magnetic recording apparatus
12/19/2002US20020191351 Second pole piece of a write head fabricated by high aspect ratio lithography and image transfer
12/19/2002US20020191350 Protection of second pole tip thickness during fabrication of a write head
12/19/2002US20020191349 High data rate write head
12/19/2002US20020191348 Dual spin-valve thin-film magnetic element
12/19/2002US20020191347 Magnetic recording and reproduction apparatus
12/19/2002US20020191346 Voice coil motor
12/19/2002US20020191345 Disc drive ramp that accomodates shipping comb
12/19/2002US20020191344 Magnetic head slider and a magnetic disk device in which the slider is mounted
12/19/2002US20020191343 Method of maintaining a constant flying height of a magnetic head and a magnetic disk drive utilized therefor
12/19/2002US20020191342 Magnetic disc apparatus, magnetic head, and production methods thereof
12/19/2002US20020191341 Magnetic head slider
12/19/2002US20020191340 Disc head slider having an air bearing surface for improved damping
12/19/2002US20020191339 Magnetic disc apparatus
12/19/2002US20020191338 Head slider having a terminal group of lubricant of lubrication layer different from that of a medium
12/19/2002US20020191336 Method of making magnetic head having narrow pole tip and fine pitch coil
12/19/2002US20020191335 Magnetic transducer with bilayer pole piece structure with improved milling endpoint detection
12/19/2002US20020191334 Magnetic transducer with pedestal pole piece structure
12/19/2002US20020191328 Magnetic disk drive
12/19/2002US20020191327 Shear mode multilayered collocated micro-actuator for dual-stage servo controllers in disk drives
12/19/2002US20020191326 Magnetic head slider and magnetic disk device
12/19/2002US20020191325 Method and disk drive for enhanced performance in the presence of stationary PES outliers
12/19/2002US20020191324 Method for locating data tracks on a tape media
12/19/2002US20020191321 Method for reduction of off-track errors in data storage tape systems
12/19/2002US20020191320 Thermally assisted magnetic recording system and method of writing using magnetic and thermal gradients
12/19/2002US20020191319 Merged defect entries for defects running in circumferential and radial directions on a disc
12/19/2002US20020191318 Storage media having a wide servo band and high data format efficiency and a storage using the same
12/19/2002US20020191317 Magnetic recording medium and drive apparatus therefor
12/19/2002US20020191315 Preamp reader design for high resistance read heads
12/19/2002US20020191314 In-situ envelope detection system for magnetic recording
12/19/2002US20020191313 Head modulation detection
12/19/2002US20020191312 Magnetic card reader and magnetic data reproduction method data demodulation method and demodulator of magnetic record data
12/19/2002US20020191311 Dynamically scalable disk array
12/19/2002US20020190713 Magnetic device
12/19/2002US20020190681 Method for head positioning
12/19/2002US20020190604 Microactuator
12/19/2002US20020189715 Magnetic metal particles for magnetic recording, having low concentration of sodium, calcium content, an average particle diameter of 300 to 800 mu m
12/19/2002US20020189079 Method of manufacturing a thin-film magnetic head
12/19/2002US20020189078 Photolithographic process for extreme resolution of track width definition of a read head
12/19/2002US20020189077 Magnetic head registration method, pallet device, and registration jig
12/19/2002US20020189053 Opening machine and an opening method
12/18/2002EP1267396A2 Magnetically patterning conductors
12/18/2002EP1267341A2 Method and apparatus for generating the optimum read timing for read and write offset of a magneto resistive head
12/18/2002EP1267334A2 Magnetic transfer apparatus
12/18/2002EP1267333A1 Producing magnetic recording medium
12/18/2002EP1267332A2 Batch fabricated servo write head
12/18/2002EP1267331A2 Method and apparatus for controlling magnetic disk drive
12/18/2002EP1145235B1 Variable speed recording method for a magnetic tape drive
12/18/2002EP1112575B1 Magnetoresistive element and use of same as storage element in a storage system
12/18/2002EP1105890B1 Magnetoresistive element and the use thereof as storage element in a storage cell array
12/18/2002EP1075680B1 Security element to prevent counterfeiting of value documents
12/18/2002EP0760998B1 Magnetic head and system for controlling the position of a magnetic head
12/18/2002CN1386285A Mothod of manufacturing a magnetic element
12/18/2002CN1386281A Swing actuator, method of manufacturing the swing actuator, and positioning device
12/18/2002CN1386280A Actuator for disk device
12/18/2002CN1386267A Method and apparatus for magnetic duplicating
12/18/2002CN1385865A Method for realing vertica anisotropy in magnetic multi-layer film
12/18/2002CN1385837A 磁复制装置 Magnetic reproducing apparatus
12/18/2002CN1385836A Main carrier for magnetic transcription
12/18/2002CN1385835A Main carrier for magnetic transcription