Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826) |
---|
12/05/2002 | US20020181139 Writing position data ex situ using an actuator retractable by a retractable support element |
12/05/2002 | US20020181138 Vertically-oriented servo track writer and method |
12/05/2002 | US20020181135 Current bias circuit used in magnetic-signal detection head |
12/05/2002 | US20020181134 Secure data file erasure |
12/05/2002 | US20020181133 In situ media defect image analysis in a disc drive |
12/05/2002 | US20020181132 Storage device for reliably maintaining data in a reproducible state for a long period of time |
12/05/2002 | US20020181131 User data wedge media certification in a disc drive data handling system |
12/05/2002 | US20020180430 Fixture for plate type magnetic resistance sensor chip element |
12/05/2002 | US20020180392 Electrical time constant compensation method for switched, voltage-mode driver circuit |
12/05/2002 | US20020179926 Fabrication of integrated semiconductor devices for interacting with magnetic storage media |
12/05/2002 | US20020179861 Apparatus for optimizing adjustment of disc head slider curvature |
12/05/2002 | US20020179696 Solder-ball bonding device and method |
12/05/2002 | US20020179319 ESD safe wireless type of component |
12/05/2002 | US20020179198 Alloy lmainated to polyimide |
12/05/2002 | US20020178579 Production method of head unit |
12/05/2002 | US20020178573 Method for fabricating a thin film magnetic head |
12/05/2002 | US20020178571 Method to reduce servo pattern runout on a prewritten disc |
12/04/2002 | EP1262992A2 Magnetic recording element, magnetic memory, magnetic recording method, method for fabricating a magnetic recording element, and method for fabricating a magnetic memory |
12/04/2002 | EP1262957A2 Magnetoresistive head and manufacturing method therefor |
12/04/2002 | EP1262580A1 Opening machine and opening method for fibre material |
12/04/2002 | EP1262466A1 Method for manufacturing spherical ceramic powder, and spherical ceramic powder and composite material |
12/04/2002 | EP0623918B1 Magnetic recording medium |
12/04/2002 | CN1383562A Sensor system for disk device using floated head |
12/04/2002 | CN1383561A Seek acoustics reduction with minimized performance degradation |
12/04/2002 | CN1383548A Record head for thermally assisted magnetic recording |
12/04/2002 | CN1383202A Conductor pattern formed by magnetic force |
12/04/2002 | CN1383166A Granular queueing body, its mfg. method and device using such queuecing body |
12/04/2002 | CN1383131A Pawl locking device for slide loading hard disk driver |
12/04/2002 | CN1095583C Actuator having MR element protecting means |
12/03/2002 | US6490691 Error recovery in a disk drive |
12/03/2002 | US6490235 Storage and reproduction apparatus with rotary control element for controlling operations |
12/03/2002 | US6490233 Optical reproducing method |
12/03/2002 | US6490140 Giant magnetoresistive sensor with a PtMnX pinning layer and a NiFeCr seed layer |
12/03/2002 | US6490139 Magneto-resistive element and magnetic head for data writing/reading |
12/03/2002 | US6490138 Multiple actuator pivot bearing |
12/03/2002 | US6490137 Information equipment with polymer film in bearing and disk |
12/03/2002 | US6490136 Magnetic head, manufacturing method thereof, and magnetic disk drive |
12/03/2002 | US6490135 Disc drive assembly having side rail-channeled air bearing for ramp load-unload applications |
12/03/2002 | US6490134 Patterned and directional selective roughening of a slider air-bearing surface |
12/03/2002 | US6490131 Thin film magnetic head with electroplated Ni-Fe alloy thin film having small average crystal grain size range |
12/03/2002 | US6490130 Thin film magnetic head with recess for positional reference |
12/03/2002 | US6490129 Magnetic head including an inductive magnetic head having a lower magnetic core of a magnetic film/non-magnetic film/magnetic film multilayer structure |
12/03/2002 | US6490128 Thin-film device with improved cohesion and electrical conductance between electrically conductive thin-film and electrical conductor in contact therewith, and manufacturing method therefor |
12/03/2002 | US6490127 Thin film magnetic head with diverging pole connection portions |
12/03/2002 | US6490126 Thin-film magnetic head having a magnetic layer including stacked magnetic material layers and a resistance layer and method of manufacturing same |
12/03/2002 | US6490125 Thin film write head with improved yoke to pole stitch |
12/03/2002 | US6490123 Disc drive having 3.5 inch form factor housing and 2.5 inch form factor disk media |
12/03/2002 | US6490121 Accelerated servo control calculations method and apparatus for a disc drive |
12/03/2002 | US6490120 Servo gain optimization using a variable convergence factor |
12/03/2002 | US6490119 Method and apparatus for maintaining servo stability during actuator saturation |
12/03/2002 | US6490118 Adaptive h-infinity hardware controller for disc drive actuator control |
12/03/2002 | US6490117 Method of thermally printing servo patterns on magnetic media |
12/03/2002 | US6490116 Retraction control method and magnetic disk apparatus |
12/03/2002 | US6490115 Error recovery in unit using GMR sensor |
12/03/2002 | US6490112 Supply and method for providing differential positive supply voltages to a load with reduced common mode voltages |
12/03/2002 | US6490111 Method and apparatus for refreshing servo patterns in a disc drive |
12/03/2002 | US6490110 Servo data detection with improved phase shift tolerance |
12/03/2002 | US6490108 Digital data recording method and apparatus, digital data reproducing apparatus, and magnetic tape therefor |
12/03/2002 | US6489779 System and method for terminal short detection |
12/03/2002 | US6489762 Method to detect junction induced signal instability from GMR/MR heads |
12/03/2002 | US6489002 Optical recording medium having dual information surfaces |
12/03/2002 | US6488985 Thin film, method and apparatus for forming the same, and electronic component incorporating the same |
11/30/2002 | CA2387679A1 Method for manufacturing spherical ceramic powder, and spherical ceramic powder and composite material |
11/28/2002 | WO2002095739A1 Vertical recording type magnetic recording medilim and magnetic memory device using the medium |
11/28/2002 | WO2002095738A1 Method and system for measuring fly height |
11/28/2002 | WO2002095737A1 Stiffened suspension for a storage device having a layer of composite material |
11/28/2002 | WO2002095083A1 Composite glassy carbon disk substrate |
11/28/2002 | WO2002052561A3 Use of momentum transfer actuators for motion control of flexible mechanical structures |
11/28/2002 | WO2001045141A9 Method and apparatus for smoothing thin conductive films by gas cluster ion beam |
11/28/2002 | US20020178406 Method of optimizing design parameters of data storage system and method of applying optimized design parameters |
11/28/2002 | US20020177518 (a) volume resistivity of 103-1011 Ohm- cm; (b) flexural strength of at least 500 MPa; and (c) voltage decay time of less than 500 ms. |
11/28/2002 | US20020177012 Perpendicular magnetic recording medium and a magnetic reproducing apparatus |
11/28/2002 | US20020176508 Methods and apparatus for decoding and displaying multiple digital images in parallel |
11/28/2002 | US20020176214 Writer for perpendicular recording with controlled write width |
11/28/2002 | US20020176213 Magnetoresistive head |
11/28/2002 | US20020176212 Precise positioning actuator for head element and head device with the actuator |
11/28/2002 | US20020176211 Actuator latch of hard disk drive |
11/28/2002 | US20020176210 Durable, low-vibration, dynamic-contact hard disk drive system |
11/28/2002 | US20020176209 Stiffened suspension for a storage device having a layer of composite material |
11/28/2002 | US20020176208 Slider deposits for control of pole-to-disc spacing |
11/28/2002 | US20020176207 Disc head slider having a film representing an information pattern |
11/28/2002 | US20020176206 Thin film magnetic head intended to decrease inductance with track narrowing and method of manufacturing the same |
11/28/2002 | US20020176205 Thin film magnetic head and method of manufacturing thin film magnetic head |
11/28/2002 | US20020176204 Magnetic recording and reproduction apparatus |
11/28/2002 | US20020176202 Magnetic disk storage apparatus and method for controlling magnetic disk storage apparatus |
11/28/2002 | US20020176201 Plant variation compensation for piezoelectric microactuator in dual-stage servo of disc drives |
11/28/2002 | US20020176200 Magnetic track following servo algorithm using signal quality |
11/28/2002 | US20020176199 Track pitch control using head offset measurement for self-servowriting tracks in a disc drive |
11/28/2002 | US20020176198 Write output driver with internal programmable pull-up resistors |
11/28/2002 | US20020176197 Method and apparatus for compensation of second order distortion |
11/28/2002 | US20020176195 Low amplitude skip write detector |
11/28/2002 | US20020176194 High-speed programmable synchronous counter for use in a phase locked loop |
11/28/2002 | US20020176193 Method and apparatus providing variable spin pad lengths |
11/28/2002 | US20020176192 Apparatus and method of removing resonance frequency in system |
11/28/2002 | US20020176191 Reproducing amplifier and magnetic recording and reproducing apparatus employing the reproducing amplifier |
11/28/2002 | US20020176189 Input/output multiplex system for a read/write channel in a disk drive |
11/28/2002 | US20020176187 Device for limiting current in a sensor |
11/28/2002 | US20020176186 Efficient analog front end for a read/write channel of a hard disk drive running from a highly regulated power supply |
11/28/2002 | US20020176185 Method and system for measuring fly height |
11/28/2002 | US20020176184 Diagnostic system for a read/write channel in a disk drive |