Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
12/2008
12/11/2008US20080304186 Perpendicular magnetic recording head
12/11/2008US20080304185 Drum assembly associated with video tape machine
12/11/2008US20080304184 Write transducer and system implementing same
12/11/2008US20080304182 Head slider and hard disk drive having the same
12/11/2008US20080304181 Method and apparatus for providing an air bearing with higher flying height for lower rotating speed drives
12/11/2008US20080304180 Bias techniques for magnetic tape media
12/11/2008US20080304179 Perpendicular magnetic recording head and method of manufacturing same
12/11/2008US20080304176 Magnetic recording head and magnetic recording apparatus
12/11/2008US20080304175 Recording/reproducing apparatus and tracking servo control method
12/11/2008US20080304173 Magnetic recording disk drive with patterned media and system for clocking write data
12/11/2008US20080304172 Data storage medium having system data stored in a guard band between zones of consecutive data storage tracks
12/11/2008US20080303873 Printhead with reciprocating cantilevered thermal actuators
12/10/2008EP2001014A2 Magnetic signal reproduction system and magnetic signal reproduction method
12/10/2008CN201163558Y Agglutinate rare earth magnet for blue laser disc driver
12/10/2008CN201163530Y Elastic clamp especially for multi-rail magnetic head and corresponding multi-rail magnetic head component
12/10/2008CN101320616A Self-rotation valve with vertical magnetic anisotropy
12/10/2008CN101320587A Magnetic recording disk drive with patterned media and system for clocking write data
12/10/2008CN101320569A Retract method to reduce head friction with the disk for a hard disk drive
12/10/2008CN101320568A Magnetic head
12/10/2008CN101320567A Magnetic recording head and magnetic recording apparatus
12/10/2008CN100442359C Magnetic recording medium, magnetic recording and reproducing apparatus, and manufacturing method of magnetic recording medium
12/10/2008CN100442358C Leader tape, method for manufacturing the same, and magnetic tape cartridge
12/10/2008CN100442357C Magnetic head unit
12/10/2008CN100442356C Thin film magnetic head and manufacturing the same
12/10/2008CN100442355C Leaf spring load measuring device
12/10/2008CN100442354C Methods and apparatuses for recording and reproducing address information in servo sectors, storage disk
12/09/2008US7464411 Copy protection for optical discs
12/09/2008US7463820 Data reproducing apparatus and data reproducing method
12/09/2008US7463765 System and method for detecting and reporting fabrication defects using a multi-variant image analysis
12/09/2008US7463574 Method of recording data to an information recording medium
12/09/2008US7463563 Deficiency detecting apparatus for optical disk
12/09/2008US7463562 Method of recording temporary defect list on write-once recording medium, method of reproducing the temporary defect list, recording and/or reproducing apparatus, and the write-once recording medium
12/09/2008US7463459 Self-pinned read sensor design with enhanced lead stabilizing mechanism
12/09/2008US7463458 Magnetoresistive-effect device with a multi-layer magnetoresistive-effect film
12/09/2008US7463457 CPP giant magnetoresistive element with particular bulk scattering coefficient
12/09/2008US7463456 Magnetoresistive effect element, magnetic head and magnetic reproducing apparatus
12/09/2008US7463455 Magnetoresistive head having first and second shield layers between first and second lead layers
12/09/2008US7463454 Micro-actuator for hard drive utilizing insulating portions to separate biasing regions from adjacent regions of the micro-actuator and simplified manufacture process therefore
12/09/2008US7463453 Head arm assembly, head stack assembly and disk drive unit using the same
12/09/2008US7463452 Flying head slider and magnetic disk apparatus, having a pair of side pads with each side pad having plural surfaces spaced at different depths
12/09/2008US7463450 Thin film magnetic head
12/09/2008US7463449 Magnetic head for perpendicular magnetic recording, head gimbal assembly, head arm assembly and magnetic disk drive
12/09/2008US7463448 Thin film magnetic head having upper and lower poles and a gap film within a trench
12/09/2008US7463447 Magnetic thin film sensor based on the extraordinary Hall effect
12/09/2008US7463445 Method of controlling track seek in HDD and a recording medium therefor
12/09/2008US7463444 Head position detector with optical slit pattern
12/09/2008US7463442 Impedance-matched write driver circuit and system using same
12/09/2008US7463441 Automatic data update method of data storage system and disk drive using the same
12/09/2008US7463440 System for improving performance writing streaming tapes
12/09/2008US7463439 Control device, storage device, storage medium, servo data demodulation method, repeatable velocity error measuring device, and computer product
12/09/2008US7463438 Information storage apparatus, and control method and program for the same
12/09/2008US7463437 Demodulation compensation for spiral servo tracks in hard disk drives
12/09/2008US7463144 Gathering data concerning publication usage
12/09/2008US7462411 Made of a glass having high heat resistance and a low alkali-elution property; suitable for forming a perpendicular-magnetic-recording-mode magnetic layer with a high-temperature sputtering machine
12/09/2008US7462410 Improved coercivity in the recording direction and the thermal stability, high recording density
12/09/2008US7462409 Magnetic recording medium
12/09/2008US7462408 Magnet recording medium
12/09/2008US7461447 Method of fabrication of magnetic head having annealed embedded read sensor
12/09/2008US7461446 Method for repairing photoresist layer defects using index matching overcoat
12/09/2008US7461445 Method of manufacturing a magnetic head with a deposited shield
12/04/2008WO2008146606A1 Tunnel type magnetic detection element
12/04/2008WO2008146574A1 Alloy for soft magnetic film layer in perpendicular magnetic recording medium
12/04/2008WO2008146570A1 Magnetic disc glide head
12/04/2008WO2008146522A1 Method of surface finish for glass substrate for magnetic disk and glass substrate for magnetic disk
12/04/2008WO2008146404A1 Memory device and method for controlling memory device
12/04/2008WO2008146357A1 Thin film magnetic head and magnetic recorder
12/04/2008WO2008146351A1 Vertical magnetic recording medium and a storage device having it, method for producing vertical magnetic recording medium
12/04/2008WO2008146340A1 Thin-film magnetic head and process for manufacturing the same
12/04/2008WO2008145864A2 Device and method for information mass storage
12/04/2008WO2007121189A3 On-chip compensation for a fully differential voice coil motor control
12/04/2008US20080299416 A buffer layer formed on s substrate; a soft magnetic underlayer formed on the buffer layer of SiO2 or Al2O3 or a nitride; and a recording layer formed on the soft magnetic underlayer.
12/04/2008US20080298200 Recording method and apparatus using write pulse waveforms
12/04/2008US20080298197 Controlling a heat resistive element with a pulse modulated signal
12/04/2008US20080298196 Mapping Defects on a Data Wedge Basis
12/04/2008US20080298190 Optical disk apparatus and optical disk processing method
12/04/2008US20080298189 Method and an apparatus for recording information, and an information recording medium
12/04/2008US20080298185 Information Recording Device, Information Recording Method, and Information Recording Program
12/04/2008US20080298184 Optical disc recording system
12/04/2008US20080297955 Sensor temperature compensation
12/04/2008US20080297954 Magnetic sensor and manufacturing method therefor
12/04/2008US20080297953 Magnetic head for perpendicular magnetic recording with a shield and method of manufacturing same
12/04/2008US20080297952 Thin-film magnetic head
12/04/2008US20080297951 Perpendicular magnetic recording head
12/04/2008US20080297950 Magnetic signal reproduction system and magnetic signal reproduction method
12/04/2008US20080297949 Head slider
12/04/2008US20080297948 Suspension, head gimbal assembly and manufacturing method thereof, and disk drive unit with the same
12/04/2008US20080297947 Magnetic Disk for Hard Disk Drives
12/04/2008US20080297946 Dual write gap perpendicular recording head
12/04/2008US20080297945 Method to make a perpendicular magnetic recording head with a bottom side shield
12/04/2008US20080297943 Ramp in Hard Disc
12/04/2008US20080297942 Drive unit
12/04/2008US20080297937 Using a measured error to determine coefficients to provide to an equalizer to use to equalize an input signal
12/04/2008US20080297936 Method and apparatus for correcting data errors in a disk drive
12/04/2008US20080297935 Recording method for recording data on a recording medium
12/04/2008US20080297096 Disk Playback Apparatus And Stepping-Motor Control Apparatus
12/04/2008US20080297022 Film Dispersed of Carbon Nanotubes and Light Emitting Body
12/04/2008US20080295621 Method and mechanism of the suspension resonance optimization for the hard disk driver
12/04/2008CA2591004A1 Process of erasing magnetic data
12/03/2008EP1998323A1 Optical data recording method
12/03/2008EP1998322A1 Magnetic disk for hard disk drives