197669 ⎘
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor; Special dispositions or recording techniques; Arrangements, methods or circuits; Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation of magnetoresistive transducers by current biasing control or regulation
INCREASED VCM CURRENT RESOLUTION DURING TRACK FOLLOW TO DECREASE NRRO
#2Magnetic disk device with recording current arrangement
#3Data storage device with mapping and mitigation of laser mode hop effects in heat-assisted magnetic recording (HAMR)
#4Adaptive bias control for magnetic recording head
#5Device lifetime improvement through constant temperature
#6Magnetic disk device with magnetic disk overwrite characteristics arrangement
#7BiSb Topological Insulator with Seed Layer or Interlayer to Prevent Sb Diffusion and Promote BiSb (012) Orientation
#8Adaptive bias control for magnetic recording head
#9Data storage device with history dependent write boost
#10Adaptive bias control for magnetic recording head
#11Energy assisted magnetic recording head having improved areal density capability
#12Read head stress reduction
#13SOT differential reader and method of making same
#14Energy-assisted magnetic recording head with protective cap
#15Magnetic disk device with magnetic head size arrangement
#16BiSb topological insulator with seed layer or interlayer to prevent sb diffusion and promote BiSb (012) orientation
#17Magnetic head and magnetic recording device with stacked body material configurations
#18MAGNETIC DISK DEVICE AND METHOD OF CONTROLLING MAGNETIC DISK DEVICE
#19Method for evaluating magnetic head and evaluation apparatus of magnetic head
#20Detecting damaged TMR sensors using bias currents and outliers
#21Magnetic recording devices and methods using a write-field-enhancement structure and bias current with offset pulses
#22Magnetic structure for erasing media having high magnetic coercivity
#23Adaptive HAMR power data storage device
#24Disk drive preamplifier R/C differential mode filter of power supply
#25Analog tunneling current sensors for use with disk drive storage devices
#26Dynamically controlling magnetoresitive bias
#27Dynamically controlling magnetoresistive bias
#28Amplitude-based approach for detection and classification of hard-disc defect regions
#29Disk drive and method for adjusting common-mode voltage of an element on a head-slider
#30Analog multiplexer circuits and methods
#31System and method for setting bias for MR head
#32Three dimensional magnetic memory and/or recording device
#33POWER SUPPLY VOLTAGE ADJUSTMENT CIRCUIT AND INFORMATION STORAGE DEVICE
#34Vertical cell edge junction magnetoelectronic device family
#35Magnetic storage system with read during write
#36Degauss control for magnetic disk-drive preamplifier
#37Timing insensitive method and apparatus for spectral analysis in a disk recording system
#38Temperature coefficient of resistance measurement of TMR head using flying height control heater and determine maximum bias voltage of TMR heads
#39Methods and apparatus to provide dynamically-biased write drivers for hard disk drive (HDD) application
#40METHODS AND APPARATUS TO VARY INPUT IMPEDANCE OF A HARD DISK DRIVE READ PREAMPLIFIER
#41Driver with programmable power commensurate with data-rate
#42Low Power Write Driver for a Magnetic Disk Drive
#43Apparatus, system, and method for controlling recording head substrate bias voltage
#44Apparatus, system, and method for measuring magnetoresistive head resistance
#45Slew-rate control device, storage device, and slew-rate control method
#46Sensing mechanism for reading magnetic storage medium
#47Circuit for correcting signal distortions
#48Direct coupled wide-bandwidth front-end with smart bias control amplifier
#49Dual-type tunneling magnetoresistance (TMR) elements
#50Reset device for biasing element in a magnetic sensor
#51Magnetoresistive head preamplifier circuit with programmable input impedance
#52Magnetic head drive circuit
#53Degaussing for write head
#54Read circuit and hard disk drive using the same
#55Magnetoresistive sensor
#56Resistance mode comparator for determining head resistance
#57Ferromagnetic tunnel magnetoresistive devices and magnetic head
#58Apparatus, system, and method for measuring magnetoresistive head resistance
#59Magneto-resistive head resistance sensor
#60Magnetic disk drive with control of sense current of magnetic head
#61Ferromagnetic tunnel magnetoresistive devices and magnetic head
#62Method of writing servo data and magnetic disk drive
#63Magnetoresistive element and magnetoresistive device having a free layer stabilized by an in-stack bias
#64Method for precompensation/write-current latching to improve error rate
#65Low power low noise amplifier for a magnetoresistive sensor
#66Method of controlling a recording current, and magnetic disk device
#67Three dimensional magnetic memory and/or recording device
#68High output impedance biasing for magnetoresistive elements
#69Write driver with improved boosting circuit and interconnect impedance matching
#70Asymmetry correction for magneto-resistive heads
#71Method and apparatus for testing tunnel magnetoresistive effect element
#72Amplifier apparatus for use with a sensor
#73Integrated bias and offset recovery amplifier
#74Current-sense bias circuit for a magnetoresistive head and method of sensing a current therethrough
#75Temperature compensation systems and methods for use with read/write heads in magnetic storage devices
#76Apparatus, medium, and method for adaptively controlling a retry process in a data storage apparatus
#77High-speed, low power preamplifier write driver
#78Magnetic recording channel utilizing control fields for timing recovery, equalization, amplitude and amplitude asymmetry
#79Biasing for tri-layer magnetoresistive sensors
#80Magnetic sensor with electrically defined active area dimensions
#81Method and apparatus for optimizing write properties of magnetic head and defining magnetic head
#82Ferromagnetic tunnel magnetoresistive devices and magnetic head
#83Method of manufacturing a magnetoresistive sensor
#84Reader with linearizing bias current
#85Selectable current booster circuit
#86Data storage device with embedded mode hop predictor patterns
#87Direct measurement of magnetoresistive head resistance in a storage system
#88Method and apparatus for magnetically recording data with three or more states per unit of data
#89Perpendicular magnetic recording (PMR) writer with tunable pole protrusion (TPP) designs for 2 terabytes/platter (TB/P) and beyond
#90Energy-assisted magnetic recording head with protective cap
#91Energy assisted magnetic recording head having improved areal density capability
#92Write current switching using an effective size of a media thermal spot produced by a heat-assisted magnetic storage device
#93Data storage device using single-layer multi-level magnetic recording
#94Balanced current mirrors for biasing a magnetic resistor in a hard disk drive
#95Three terminal magnetic recording head
#96Data storage device measuring air bearing resonant frequency to calibrate fly height touchdown power
#97Magnetic disk device using head amplifier circuit for pattern dependent write
#98System for adjusting bias of relative magnetizations of ferromagnetic layers in a magnetoresistive sensor
#99Method and apparatus for fast sensor biasing