Patent Assignment
Reel/Frame 040820/0802
Assignment of Assignor's Interest
Recorded: 2016-12-05
Pages: 114
Assignor
HGST NETHERLANDS B.V.
Executed: 2016-08-31
Assignee
WESTERN DIGITAL TECHNOLOGIES, INC.
3355 MICHELSON DRIVE, SUITE 100, IRVINE, CALIFORNIA, 92612
Covered Properties
(477)
Method and Apparatus for Reducing Space Allocation Failures in Storage Management Systems
Patent:
6,591,334 →
Application:
09/596,869 →
Method for Registering, in a Defect Map, Addresses of Defective Sectors of a Data Recording Medium
Patent:
6,654,904 →
Application:
09/598,402 →
Voltage Translators with Zero Static Power and Predictable Performance
Patent:
6,424,173 →
Application:
09/599,058 →
Magnetic Recording Media with Magnetic Bit Regions Patterned by Ion Irradiation
Patent:
6,383,597 →
Application:
09/602,581 →
Patterned Magnetic Recording Media with Regions Rendered Nonmagnetic by Ion Irradiation
Patent:
6,383,598 →
Application:
09/602,606 →
Patterned Magnetic Recording Media with Discrete Magnetic Regions Separated by Regions of Antiferromagnetically Coupled Films
Patent:
6,391,430 →
Application:
09/602,609 →
Internal Temperature Control for a Microdrive
Patent:
6,389,817 →
Application:
09/603,359 →
Hard Disk Drive and Air Stabilizing Wing for Use Therewith
Patent:
6,449,119 →
Application:
09/604,615 →
Disk Drive Ramp Structure Having Integrated Discrete Rigid Support Elements for Data Storage Device
Patent:
6,424,501 →
Application:
09/606,851 →
Thermally-Assisted Magnetic Recording System with Head Having Resistive Heater in Write Gap
Patent:
6,493,183 →
Application:
09/608,848 →
Method and System for Encoding Data for High Performance Error Control
Patent:
6,557,124 →
Application:
09/613,443 →
Bilayer Seed Layer for Spin Valves
Patent:
6,560,078 →
Application:
09/615,359 →
Suspension Design for Improving the Curing Process for Head Bonding Application and Method for Same
Patent:
6,552,875 →
Application:
09/620,791 →
THIN FILM MAGNETIC HEAD WITH Ni-Fe ALLOY THIN FILM
Patent:
6,262,867 →
Application:
09/626,743 →
Antiferromagnetically Coupled Magnetic Recording Media with Boron-Free First Ferromagnetic Film as Nucleation Layer
Patent:
6,537,684 →
Application:
09/631,908 →
Method for Forming the Air Bearing Surface of a Slider
Patent:
6,416,935 →
Application:
09/632,860 →
Magnetic head
Patent:
6,319,622 →
Application:
09/633,170 →
Method for Forming the Air Bearing Surface of a Slider Using Nonreactive Plasma
Patent:
6,503,406 →
Application:
09/633,500 →
Tunnel Valve Head Design to Lower Resistance
Patent:
6,542,343 →
Application:
09/636,386 →
System and method for providing nonadjacent redundancy synchronization bytes
Patent:
6,392,830 →
Application:
09/638,087 →
Data Reproducing Apparatus for Improving Data Recording Efficiency
Patent:
8,089,717 →
Application:
09/638,607 →
Plasma Processing Apparatus with Real-Time Particle Filter
Patent:
6,638,403 →
Application:
09/644,072 →
System and method for patient medication management and compliance
Application:
09/644,878 →
Wet Chemical Etch Process for Patterning Mram Magnetic Layers
Patent:
6,426,012 →
Application:
09/644,989 →
Magnetic Disk Apparatus
Patent:
6,614,627 →
Application:
09/649,614 →
"Dual Coil and Lead Connections Fabricated by Image Transfer and Selective Etch"
Patent:
6,507,456 →
Application:
09/651,149 →
Magnetic Recording Medium and Magnetic Storage System Using Same
Patent:
6,583,958 →
Application:
09/654,307 →
Disk Data Storage Device Having Improved Tolerance for Stressful Environments
Patent:
6,633,448 →
Application:
09/656,107 →
Method and Apparatus for Operating Vehicle Mounted Disk Drive Storage Device
Patent:
6,546,456 →
Application:
09/657,879 →
Read Head with N-Cycle Switch for Electrostatic Discharge (Esd) Protection
Patent:
6,538,857 →
Application:
09/662,247 →
Magnetic Recording Media and Magnetic Storage Apparatus
Patent:
6,511,761 →
Application:
09/663,204 →
System and Method for Calibrating a Corner Frequency of a Tunable Filter Using Adc Code Difference Method
Patent:
6,429,988 →
Application:
09/667,905 →
System and Method for Stabilizing Disk Drive Rotation Control
Patent:
6,411,056 →
Application:
09/670,770 →
Integrated Lead Suspension for High Density Drive
Patent:
6,965,501 →
Application:
09/676,216 →
Method for Thermal Asperity Detection and Compensation in Disk Drive Channels
Patent:
6,414,806 →
Application:
09/677,346 →
Active Damping Control for a Disk Drive
Patent:
6,459,550 →
Application:
09/677,422 →
Magnetoresistive Effect Head
Patent:
6,507,465 →
Application:
09/679,416 →
Magnetic Recording Disk with Perpendicular Magnetic Recording Layer and Multilayered Underlayer Structure
Pinned Layer Having a Cofenb or Cofenbhf Film for Increasing Magnetic Softness and Reducing Current Shunting
Patent:
6,549,383 →
Application:
09/684,253 →
Pinned Layer Structure for a Spin Valve Sensor Having Cobalt Iron (Cofe) and Cobalt Iron Oxide (Cofeo) Laminated Layers
Patent:
6,580,589 →
Application:
09/684,710 →
Method and Apparatus for Viterbi Detection of Generalized Partial Response Signals Using Partial Matched Filter and Matched Filter Metrics
Patent:
6,377,635 →
Application:
09/697,467 →
Magneto-Resistive Asymmetry Correction Circuit
Patent:
6,400,518 →
Application:
09/702,618 →
In-Situ Pressure Sensor Based on Read Head Resistance
Patent:
6,603,628 →
Application:
09/704,420 →
Drive electronics employing unipolar last write for improved magnetic stability
Patent:
6,320,715 →
Application:
09/705,103 →
Ramp for Information Recording Disk Apparatus
Patent:
6,487,051 →
Application:
09/711,340 →
Lead Overlaid Type of Sensor with Sensor Passive Regions Pinned
Patent:
6,570,745 →
Application:
09/718,309 →
Magnetic Recording and Reading Device
Magnetic Recording and Reading Device
Method, apparatus and article for reference material management
Application:
09/749,257 →
Publication:
US 2002/0083058
Spin Valves with Co-Ferrite Pinning Layer
Method for Producing a Transducer Slider with Tapered Edges
Perfluorinated Polyethers with Metal Carboxylate End Groups as Anti-Wetting and Corrosion-Protective Agents
Air Bearing Surface Design for Inducing Roll-Bias During Load/Unload Sequence
Parallel Read/Write Circuit and Method for Efficient Storing/Retrieval of Data to/from a Recording Medium
Magnetic Disk Device and Magnetic Head Slider
Magnetic Disk Drive with Offset Load/Unload Tab
Spin Tunnel Magneto-Resistance Type Magnetic Sensor
Method and Apparatus for Viterbi Detection of Generalized Partial Response Signals Including Two-Way Add/Compare/Select for Improved Channel Speed
Patent:
6,373,906 →
Application:
09/768,802 →
Magnetic Devices with a Ferromagnetic Layer Having Perpendicular Magnetic Anisotropy and an Antiferromagnetic Layer for Perpendicularly Exchange Biasing the Ferromagnetic Layer
Assembly Suitable for Reading/Writing/Erasing Information on a Media Based on Thermal Coupling
Patent:
6,433,310 →
Application:
09/773,346 →
Slider Capable of Reducing Distance Between Head Element and Recording Medium, and Recording Apparatus Incorporating Same
Reduced Noise Electric Motor for Disk Drive Data Storage Devices
Patent:
6,501,242 →
Application:
09/783,362 →
Process for producing a magnetic head slider
Data Synchronizing Signal Detector, Signal Processing Device Using the Detector, Information Recording and Reproducing Apparatus Having the Detector and the Device, Data Synchronizing Signal Detecting Method, and Information Recording Medium for Using in the Method
Magnetic Recording Medium, the Manufacturing Method and Magnetic Recording Apparatus Using the Same
Perpendicular Magnetic Recording System
Magnetic Disc Apparatus Having Actuator for Head Positioning Mechanism
Two-Stage Actuator with Sensitivity Function Preventing Disturbances at All Frequencies
Disk Drive Apparatus Including a Load/Unload Ramp with Different Angles for Standard and Depopulated Versions
Spin Valve Sensor with Pinned Layer and Antiparallel (Ap) Pinned Layer Structure Pinned by a Single Pinning Layer
Method and Apparatus for Enhanced Timing Loop for a Prml Data Channel
Head Shock Resistance and Head Load/Unload Protection for Reducing Disk Errors and Defects, and Enhancing Data Integrity of Disk Drives
Magnetic Head with High Reliability of the Data Protection, Magnetic Disk Apparatus Including the Magnetic Head and the Method of Recording Information on the Magnetic Disk Apparatus Without Miserasing the Previously Recorded Data
Magnetic Head and Magnetic Disk Apparatus
Magnetoresistive Sensor, Magnetic Head and Magnetic Disk Apparatus
Shock Resistent, High Reliability Rotating Magnetic Storage Device
Method of Attaching a Slider with Head Transducer to a Suspension
Silicon Sliders with Trapezoidal Shape and Drie Process for Fabrication
Micro-Actuator Transducer Stack Inertia Cancellation Control
Stability-Enhancing Underlayer for Exchange-Coupled Magnetic Structures, Magnetoresistive Sensors, and Magnetic Disk Drive Systems
System and Method for Estimating a Frequency of Slider Airbearing Resonance
Underlayer for High Amplitude Spin Valve Sensors
Method and System for Synchronization in the Presence of Thermal Asperity
Magnetic Disk Device with Magnetic Head Supporting Mechanism Having Integrated Circuit Mounted Thereon
Perpendicular Magnetic Recording Medium and Magnetic Storage Apparatus
Method and Apparatus for Optimizing Corner Frequency Calibration of a Tunable Filter Using a Programmable Diode
Method and Apparatus for Word Synchronization with Large Coding Distance and Fault Tolerance for Prml Systems
Thermally Assisted Magnetic Recording System and Method of Writing Using Magnetic and Thermal Gradients
Planar Gap Pre-Fill System and Method for Read Heads
Data Recording/Reproducing Signal Processing Circuit for Magnetic Recording, and Perpendicular Magnetic Recording/Reproducing Apparatus Using It
Method of Forming Thin Film Magnetic Recording Head with Narrow Track Width Performing High Density Recording at High Driving Frequency
Magnetic Disk Drive with Load/Unload Structure Having Lubricant Reservoir
High Data Rate Write Head
Method and Apparatus for Evaluating a Head-Disk Interface Condition for Disk Drives
Handle-Mounted Light Conduit for a Storage Device Carrier
Magnetic Disk Drive with Supply of Perfluoropolyether as Lubricant
Flux Leakage Barrier in Fluid Bearing for Disk Drive
Method and Apparatus for Predictive Failure Analysis Technique for Head Crashes in Hard Drives Using Position Eror Signal
Magnetoresistive Magnetic Sensor with Tunnel Effect and Magnetic Storage Apparatus
Low resistance magnetic tunnel junction device with bilayer or multilayer tunnel barrier
Patent:
6,347,049 →
Application:
09/916,077 →
Smoothing and Stabilization of Domain Walls in Perpendicularly Polarized Magnetic Films
In-Situ Oxidized Films for Use as Cap and Gap Layers in a Spin-Valve Sensor and Methods of Manufacture
Method and Apparatus for Dynamically Controlling the Flying Behaviour and Height of a Read/Write Head in a Storage Device by Maipulating the Spring Constant of the Suspension
Magnetic Head That Detects Leakage Fluxes from a Medium at a High Resolution and Leads the Fluxes into a Magneto-Resistive Element
Method of Servo Writing for Magnetic Recording System, Magnetic Recording System
Continuous Recording Apparatus by Interpolating the Audio Signal During Seeking Operation
Assembly Comprising Adjustable Heat Flux Mechanism for Thermally Assisted/Thermal Information Processing and Control
Electro-Thermal Micromechanical Actuator for Finitely Positioning a Storage Device Slider and Methods of Use and Manufacture
Balanced and Damped Suspension for Use in a Disk Drive
Apparatus, Signal-Processing Circuit and Device for Magnetic Recording System
Differential Detection Read Sensor, Thin Film Head for Perpendicular Magnetic Recording and Perpendicular Magnetic Recording Apparatus
Magnetic Recording Medium
Actuator Arm Design for Reducing Power Consumption in a Disk Drive Data Storage Device
Thin Film Head, Producing Method Thereof and Magnetic Disk Apparatus
Method of Controlling Read Write Operation of a Magnetic Disk Apparatus
Narrow Write Head Pole Tip Fabricated by Sidewall Processing
Magnetic Thin Film Media with a Protective Layer of Cnx Having a Plurality of Compositions
Spacer Ring for Disk Drive Spindle with Load/Unload Feature, Latch Feature, and Tribological Overcoat
Magnetic Recording Medium and Magnetic Recording Apparatus Using the Same
Disk Drive Apparatus for Reducing Disk Flutter
Magnetic Head Having Write Head Element with High Aspect Ration Coil
Disk Drive Including a Dust Catching Chamber and an Associated Gasket Portion
Magnetic Head Gimbal Assembly and Magnetic Disk Unit
Disk Drive Insertion Tool and Method
Offset Limiter for Reducing Potential of Disk Damage During Unload Sequence in Load/Unload Disk Drive
Disk Drive Apparatus, Hard Disk Drive, and Enclosure for Hard Disk Drive
System and Method for Enhancing Load/Unload Performance of Low-Flying Heads in a Disk Drive
Apparatus and Method for Improving Chamfer Quality of Disk Edge Surfaces with Laser Treatment
Patent:
6,521,862 →
Application:
09/973,324 →
Ramp for Use in Information Recording Disk Apparatus, and Information Recording Disk Apparatus
Initial Latch for an Actuator in a Disk Drive Device
Patent:
6,507,461 →
Application:
09/979,224 →
Signal Processing Circuit
Thermally-Assisted Magnetic Recording Disk with Multilayered Thermal Barrier
Decoding Circuit Using Path Sequence Including Feed-Back Type Path Storing Blocks
Head Assembly, Disk Drive Apparatus, Hard Disk Drive and Method for Manufacturing Disk Drive Apparatus
Disk Drive Apparatus, Hard Disk Drive, Filter, and Method for Inspecting Disk Drive Apparatus
Disk Drive Apparatus, Hard Disk Drive, and Enclosure for Hard Disk Drive
Magnetic Recording Medium
Apparatus and Method for Depopulating a Disk Drive Head Stack Assembly by Utilizing an Overmolded Actuator
Shroud for Disk Drive with Particulate Filter Elements
Antiferromagnetically Coupled Thin Films for Magnetic Recording
Magnetoresistive Effect Head
Magnetic Disc Unit with Gap Between Disc and Shroud
Magnetic Disk Apparatus
Magnetic Head with Electro-Lapping Guide
Patterned Media Magnetic Recording Disk Drive with Timing of Write Pulses by Sensing the Patterned Media
Hard Disk Drive with Self-Contained Active Acoustic Noise Reduction
Magnetic Disk Apparatus and Servo Signal Recording Method
Shielded Extraordinary Magnetoresistance Head
Cmos Low-Noise Mr Read Head Pre-Amplifier Circuit
High Linear Density Tunnel Junction Flux Guide Read Head with in-Stack Longitudinal Bias Stack (Lbs)
Motion Limiter for Disk Drive Integrated Gimbal Suspension
A Disk Drive Apparatus Having a Pivot for Supporting a Head Assembly to Allow Free Pivoting
Method and Apparatus for Implementing Intelligent Spin-Up for a Disk Drive
Method and Apparatus for Enhanced Data Channel Performance Using Read Sample Buffering
Hard Disk Drive
Perpendicular Magnetic Recording Media, Manufacturing Process of the Same, and Magnetic Storage Apparatus Using the Same
Method and Apparatus for Improved Read-to-Write Transition Time for a Magneto-Resistive Head
Method and Apparatus for Reducing the Servo Position Error Signal Non-Linearity During Self-Servo Writing Irrespective of the Head Width
Method for Controlling Write Current to a Write Head During Data Write on a Hard Disk
Electrostatic Discharge Protection for Disk Drive Integrated Lead Suspension
Disk Drive Having Electrostatic Discharge Path Defined Between Disk Assembly and Base
Magnetic Disk Apparatus
Magnetic Disk Apparatus
Seamless and Untrimmed Primary Servo Burst with Multiple Secondary Servo Bursts
System and Method for Improving Magnetic Tunnel Junction Sensor Magnetoresistance
Patent:
6,600,184 →
Application:
10/106,508 →
Methods of Making Magnetic Heads with Improved Contiguous Junctions
Chemical Strengthening Process for Disks Used in Disk Drive Data Storage Devices
Thin Film Magnetic Head with Electroplated Ni-Fe Alloy Thin Film Having Small Average Crystal Grain Size Rance
Thin Film Tisixny Protective Layer
Patent:
6,586,070 →
Application:
10/119,328 →
Magnetic Disk Apparatus Having an Electric Conducting Path with a Defined Characteristic Impedance and Which Interconnects a Write Element and a Read/Write Integrated Circuit
In-Situ Stripe Height Calibration of Magneto Resistive Sensors
Slide Microactuator Using S-Shaped Piezoelectric Element
Micro-Actuator Integrated Lead Suspension Head Terminations
Slide Microactuator Using C-Shaped Piezoelectric Element
System and Method for Providing Nonadjacent Redundancy Synchronization Bytes
Swageless Mount Plate or Unimount Arm Based Milliactuated Suspension
Piezoelectric Microactuator for Slider Side Actuation
Weld Free High Performance Laminate Suspension
Suspension with Integral Constrained and Sandwiched Layer Damping
Laminated Suspension Load Beam Design with Dual Primary Metal Layers Sandwiching Intermediate Secondary Layer
Flutter-Free Laminar Flow Suspension for a Disk Drive
Magnetic Disk Device
Integrated Lead Suspension for Use in a Disk Drive Using a Tri-Metal Laminate and Method for Fabrication
Apparatus for Look-Ahead Thermal Sensing in a Data Storage Device
Damping of Vertical and Offtrack Dynamic Modes Gain at the Slider in a Disc Drive
Method for Look-Ahead Thermal Sensing in a Data Storage Device
Method and Instrument for Measuring a Magnetic Field, a Method for Measuring a Current Waveform, and Method for Measuring an Electric Field
Disk, Method for Making It Free of Asperities Utilizing a Step of Exposing a Surface of the Disk to a Gas Cluster Ion Beam and Disk Drive Unit for Using the Disk
Clamp Retention Apparatus for Rotational Disk Drive Components
Method and System for Time-Shift Based Rotational Vibration Sensing in Disk Drives
Process for Producing Glass Disk Substrates for Magnetically Recordable Data Storage Disks
Carriage Arm Assembly for Locating Magnetic Head, and Magnetic Disk Apparatus Using the Same
Copper Gimbal and Gimbal Damping for Integrated Lead Suspension
Lubricant Retention Design for Disk Drive Fluid Dynamic Bearing Spindle Motor
Lubricant Depletion Detection in a Self-Healing Disk Drive
Magnetic Head Heating Element in a Disk Drive
Rotary Disk Type Storage Device
Magnetic Head Slider and Magnetic Head Slider Assembly Having a Leading Slope Angle Smaller Than a Trailing Slope Angle
Method and Apparatus for Implementing Command Queue Ordering with Benefit Determination of Prefetch Operations
Signal Processing Apparatus and a Data Recording and Reproducing Apparatus Including Local Memory Processor
Data Decoding Method and Circuit and Information Recording and Reproducing Apparatus Using the Same
Disk Drive System for Controlling Seek Operations
Magnetic Recording Disk Drive with Self-Limiting Wearable Contact Pad Air-Bearing Slider in Hermetically Sealed Environment
Magnetic Head Having Magnetic Shield Layers
Spindle Motor and Magnetic Disc Device Using Thereof
Heat Sink for a Magnetic Recording Head
Head Movement Controlling Based on Servo Generated Speed Control Values
Method for Writing Streaming Audiovisual Data to a Disk Drive
Sunken Electrical Lead Defined Narrow Track Width Magnetic Head
Cocrptb Alloys with Increased Boron Content and Method of Producing Same
Patent:
38,474 →
Application:
10/229,670 →
Recording Equalizer and Magnetic Recording/Reproducing Apparatus Using the Equalizer
Air Bearing Designs to Reduce External Van Der Waals and Electrostatic Forces
Rotational Recording Apparatus and Control Method
High Resistance Sense Current Perpendicular-to-Plane (Cpp) Giant Magnetoresistive (Gmr) Head
Shock Control for Rotational Recording Apparatus
Magnetic Head Gimbal Assembly and Magnetic Disk Unit
Data Storage Device, Head Positioning Apparatus and Head Positioning Method
Low Cost Anti-Parallel Pinned Spin Valve (Sv) and Magnetic Tunnel Junction (Mtj) Structures with High Thermal Stability
Gmr Sensor with End Portion Magnetization of Pinned Layer Modified to Reduce Side Reading Effects
Magnetic Tunnel Junction Device with Bottom Free Layer and Improved Underlayer
Dual stage suspension with PZT actuators arranged to improve actuation in suspensions of short length
Magnetic Head with a Vertically Laminated Back Gap Structure Having Magnetic Layer Thicknesses Less Than the Skin Depth
Signal Processing Circuit and Information Recording/Reproducing Apparatus Using the Same, and Method for Optimizing Coefficients of Equalizer Circuit
Magnetic Disk Drive with Carriage Having Bobbin Supporting Annular Coil Connected by Connection Members
Self-pinned CPP magnetoresistive sensor
Recording/Reproducing Apparatus
Preamplifier Circuit Suitable for Use in Magnetic Storage Devices
Method and Apparatus for Selecting Enqueued Data Access Operations for Execution in a Disk Drive Data Storage Device
System and Method of Limiting a Range of Motion of an Actuator in a Hard Disk Drive
System and Method of Constraining Vibration in a Disk Drive Unit and Motor Device
Method and Apparatus for Improving Soft Magnetic Properties of a Spin Valve While Retaining High Giant Magnetoresistance
Disk Drive Unit, Controller for Actuator, and Method for Controlling Hard Disk Drive and Disk Drive Unit
Self-Monitoring and Self-Healing of Frequency Specific Position Errors in a Data Storage Device
Magnetoresistive Sensor with Antiparallel Coupled Lead/Sensor Overlap Region
Low-Resistance High-Magnetoresistance Magnetic Tunnel Junction Device with Improved Tunnel Barrier
Method and Apparatus for Fine Position Adjustment Using Phase in a Servo Track Writer for Disk Drives
Read Channel with Automatic Servo Track Writer
Spin valve having copper oxide spacer layer with specified coupling field strength between multi-layer free and pinned layer structures
Closed Loop Lubrication System for Moving Magnetic Media
A Method of Manufacturing Enhanced Spin-Valve Sensor with Engineered Overlayer
System and Method of Damping Vibration on Coil Supports in High Performance Disk Drives with Rotary Actuators
Apparatus and Method for Reducing Vibrational Excitation in Storage Devices with Dual Stage Actuators
Magnetic Head Induction Coil Fabrication Method Utilizing Aspect Ratio Dependent Etching
Magnetic Recording Medium and Magnetic Storage Device
Magnetic Disk Apparatus with Magnetic Head Having Upper and Lower Magnetic Cores of an Electroplated Thin Film
A Method for Manufacturing a Read Sensor for a Magnetoresistive Head
Fabrication of Self-Aligned Reflective/Protective Overlays on Magnetoresistance Sensors, and the Sensors
Magnetoresistive Sensor with a Thin Antiferromagnetic Layer for Pinning Antiparallel Coupled Tabs
Constructural Member with an Electric Conducting Path for Write Element
Active Heat Sink for High Power Microprocessors
Disk Drive Device, Actuator Lock Mechanism, Inertia Latch Mechanism and Inertia Lever
Laser Cutting Method for Forming Magnetic Recording Head Sliders
Patent:
39,001 →
Application:
10/330,975 →
Multiple Access Storage System
Perpendicular Magnetic Recording Head and Perpendicular Magnetic Recording and Reproducing System
Perpendicular-Magnetic Recording Media and Magnetic Recording Apparatus
Storage Apparatus That Can Properly Recommence Input and Output of Classified Data
Car Disk Drive Unit
Method and Apparatus for Controlling Data Read/Write Between a Hard Disk and a Hard Disk Controller
Electrostatic Microactuator with Electrically Isolated Movable Portion and Associated Drive Circuitry
Network Storage Virtualization Method and System
A Cpp-Type Magnetic Head with Less Deformation and a Magnetic Recording/Reproducing System Using the Same
Disk Drive Having a Two-Stage Actuator for Suppressing a Flying-Height Fluctuation
Motor Control Method for Magnetic Disk Drive
Multi-Chambered, Compliant Apparatus for Restraining Workpiece and Applying Variable Pressure Thereto During Lapping to Improve Flatness Characteristics of Workpiece
Adjusting clock frequency in a disk drive and a disk system using the same
Method and Apparatus for Recovering Load/Unload Zone Real Estate on Data Storage Media in Data Storage Devices to Increase a Data Storage Capacity Thereof
Antiferromagnetically Coupled Magnetic Recording Media with Cocrfe Alloy First Ferromagnetic Film
Recording Equalizer and Magnetic Recording/Reproducing Apparatus Using the Equalizer
Magnetic Recording Disk Drive with Continuous Contact Air-Bearing Slider
Assembly for Thermal and/or Thermally-Assisted Information Processing
Hard Bias Magnetic Structure Including a Conductive Layer and a Transition Layer and a Seed Layer
Perpendicular Magnetic Head Having Modified Shaping Layer for Direct Plating of Magnetic Pole Piece
Data Storage Apparatus, Rotation Control Apparatus, and Rotation Control Method
Data Storage Device, Command Queue Re-Ordering Method, and Data Processing Method and Program
Information Storing Device and Method for Controlling Same to Record/Reproduce Information by Selecting One of Working Modes
Magnetic Disk Device Having a Write Head to Write by Shifting in a Radial Direction
Magnetic Disk Apparatus with Air Flow Bypass Channel
Read Priority Caching System and Method
Gmr Read Sensor with an Antiparallel (Ap) Coupled Free Layer Structure and Antiparallel (Ap) Tab Ends Utilizing a Process Stop Layer to Protect the Bias Layer
Data Storage Device Having Acceleration Sensor Attached to Circuit Board for Detecting Vibrations in Planar Rotation Direction Along Circuit Board
Magnetic Disk Apparatus
Electrically Resistive Heating Device for Data Storage Systems
Method for Controlling the Ferric Ion Content of a Plating Bath Containing Iron
Method and Apparatus for Providing a Magnetic Tunnel Transistor with a Self-Pinned Emitter
Apparatus and Method of Configuring the Air Bearing Surfaces of Sliders in Disk Drives for Producing High Temperatures in Thermally-Assisted Recordings
Magnetic Recording Medium, the Manufacturing Method and Magnetic Recording Apparatus Using the Same
Method and Apparatus for Providing a Truncated Profile Probe for Perpendicular Recording
Write First Design for a Perpendicular Thin Film Head
Disk drive clamp for clamping disks to spindle motor with elastic portion and coated contact portion
Repeatable Runout (Rro) Compensation Methods and Apparatus for Data Storage Devices
Contact Magnetic Transfer of Servo Pattern to Rigid Perpendicular Magnetic Recording Disk
Patent:
6,791,774 →
Application:
10/436,932 →
System and Method for Sparing in Raid-1 System
System, Method, and Apparatus for Preventing Rotation of a Disk Clamp While Being Assembled to the Hub of a Spindle Motor in a Hard Disk Drive and Fastener Centering Features
Method of Forming Uniform Features Using Photoresist
Magnetic Recording Head with Heating Device
Tunnel Valve Free Layer Stabilization System and Method Using Additional Current in Lead
Integrated Lead Suspension and Method of Construction
Thermally Assisted Magnetic Write Head System Utilizing Multilayer Thermal Barrier Coatings
Balance Clip Holder Feature on a Spindle Motor with Nickel-Teflon Coating on Balance Clips for Reducing Friction During Clip Adjustment in Balance Process
Screw Attachment from Exterior of Disk Drive Enclosure for Motors with Mount Bracket Screw Bolt Pattern Diameter Larger Than the Motor Hub Outside Diameter
Method, System, and Program for Executing Input/Output Requests
Magnetoresistive Sensor Having Leads with Vertical End Walls
Magnetoresistive Sensor Having Bias Magnets with Steep Endwalls
Disk Drive and Breather Filter Having Multiple Ventilation Paths and Method of Inspecting Same
System and Apparatus for Assembling Hard Disk Drive Integrated Lead Suspensions to Arm Electronics Cables via Additional Degrees of Freedom at the Tail Termination and Impedance Grooming Thereof
Positioning Control Device for Two-Stage Actuator
Magnetic Wear Debris Collector for Air Bearing of a Spindle Motor in a Hard Disk Drive
A Method for Forming a Dual Actuator Pivot
Data Storage Device, Recording Medium, Servo Writing Method, and Data Reading/Writing Method
Data Storage Device and Servo Information Writing Method
A Method for Forming an Air Bearing Surface on a Slider
Magnetic Device with Improved Antiferromagnetically Coupling Film
Magnetic Head Slider and Magnetic Disc Unit
Vibration Damped Flexible Circuit for Use in a Hard Disk Drive
Current Measurement Technique and Current Measurement Apparatus
Method & Apparatus Using Reverse Disk Rotation to Achieve Slider Contact with a Disk Surface
Magnetic Thin Film Media with a Pre-Seed Layer of Crtiai
Method of Fabricating a Magnetic Transducer with Multilayer Conductive Leads Including a Tantalum Layer, a Chromium Layer and a Rhodium Layer
Apparatus for Patterning Recording Media
Magnetic Head
Energy Gradient Ion Beam Deposition of Carbon Overcoats on Rigid Disk Media for Magnetic Recordings
Use of Shunt Resistor with Large Ra Product Tunnel Barriers
Method for Manufacturing a Spin Valve Having an Enhanced Free Layer
Method for Manufacturing a Tunnel Junction Sensor with Non-Shunting Stablization
High Data Rate Write Head
Sliders Bonded by a Debondable Encapsulant Containing Styrene and Butadiene Polymers
Head with Thin Afm with High Positive Magnetostrictive Pinned Layer
System, Method, and Apparatus for Testing a Head Gimbal Assembly
Thermally Stable Oxidized Bias Layer Structure for Magnetoresistive Magnetic Head for a Hard Disk Drive
Multimedia Storage Device Having Digital Write-Only Area
Magnetic Head Slider and a Magnetic Disk Device in Which the Slider Is Mounted
Magnetic Recording Disk Drive with Laminated Media and Improved Media Signal-to-Noise Ratio
Disk Drive Head with Radially Spaced Read and Write Elements on Respective Protrusion Pads
Method for Magnetic Recording on Laminated Media with Improved Media Signal-to-Noise Ratio
Magnetic Tunnel Junction Sensor Having a Longitudinal Bias Layer in Contact with a Free Layer
Hard Bias Structure with Antiparallel Layers
Head with Self-Pinned Structure Having Pinned Layer Extending Beyond Track Edges of the Free Layer
Servo Pattern Recording Method
Localized Pole Tip Heating Device for Magnetic Head for Hard Disk Drive
Magnetic Disk Drive
Method and Apparatus for Determining Modulated, Amplitude Ramping Rro Harmonics in Multi-Screw Clamped Hdd Disk/Spindle Assembly
Microactuator for a Hard Disk Drive with an Integrated Gimbal Function
Method for Extended Self-Pinned Layer for a Current Perpendicular to Plane Head
Magnetic Anisotropy Adjusted Laminated Magnetic Thin Films for Magnetic Recording
Method for Providing Transverse Magnetic Bias Proximate to a Pole Tip to Speed Up the Switching Time of the Pole-Tip During the Writing Operation
Apparatus for Providing Transverse Magnetic Bias Proximate to a Pole Tip to Speed Up the Switching Time of the Pole-Tip During the Writing Operation
Methods Involving a Low Resistance Magnetic Tunnel Junction Structure
Patent:
6,818,458 →
Application:
10/628,956 →
Magnetic Head Having a Write Coil Structure with a Reduced Electrical Resistance for Reducing Thermal Protrusion
Magnetic Read Head with Dual Layer Lead
Method and Apparatus for Providing a Self-Pinned Bias Layer That Extends Beyond the Ends of the Free Layer
System and Method for Autonomous Data Scrubbing in a Hard Disk Drive
Current Perpendicular to the Planes (Cpp) Sensor with a Highly Conductive Cap Structure
Patterned Magnetic Recording Media with Discrete Magnetic Regions Separated by Regions of Antiferromagnetically Coupled Films
Patent:
40,726 →
Application:
10/630,818 →
Magnetic Biasing Layer for Gmr Sensor of a Magnetic Head for a Hard Disk Drive
Electrical Lead Structures Having Crystalline Structures That Match Underlying Magnetic Hard Bias Layers for Magnetoresistive Sensors
Magnetic Bias Pinning Layer for Gmr Sensor of a Magnetic Head for a Hard Disk Drive
Magnetic Head Having Multilayer Heater for Thermally Assisted Write Head and Method of Fabrication Thereof
Perpendicular Recording Magnetic Head with a Write Shield Magnetically Coupled to a First Pole Piece
Magnetic Head Having Thermally Assisted Write Head with Heater Element, and Protective Sacrificial Layer
Method for Making a Magnetic Recording Disk Having a Corrosion-Protective Layer of a Perfluorinated Polyether Acid
Magnetic Recording Head Having a Corrosion-Protective Layer of a Metal Salt of a Perfluorinated Polyether Acid
Method for Calibrating a Vacuum Thermogravimetric Analyzer for Determination of Vapor Pressures of Compounds
Process for Synthesizing Perfluorinated Polyethers with Metal Carboxylate End Groups
Magnetic Disk Apparatus Having an Adjustable Mechanism to Compensate Write or Heat Element for Off-Tracking Position with Yaw Angle
Method for Providing a Liftoff Process Using a Single Layer Resist and Chemical Mechanical Polishing and Sensor Formed Therewith
Magnetic-Head Supporting Mechanism
Magnetic Disk Apparatus
System and Method for Handling Writes in Hdd Using 4K Block Sizes
Storage of Projected Presentations
Airflow Shroud for Hdd Tracking Microactuator
Hard Disk Drive with Aerodynamic Diffuser, Contraction, and Fairing for Disk Base and Re-Acceleration Drag Reduction
Aerodynamic Diffuser, Contraction, and Fairing for Disk Base and Re-Acceleration Drag Reduction in Hard Disk Drives
Magnetic Recording and Reading Device
Disk Drive with Controlled Pitch Static Attitude of Sliders on Integrated Lead Suspensions by Improved Plastic Deformation Processing
Perpendicular Magnetic Recording Medium and Magnetic Storage Apparatus Using the Same
Magnetic Disk Drive and Method of Controlling the Same
Method of Attenuating Airflow Disturbances in a Hard Disk Drive with a Circumferential Motor Bracket Shroud for Motor Hub Flange Outside Diameter
Completely Circumferential Motor Bracket Shroud for Motor Hub Flange Outside Diameter for Hard Disk Drive
Apparatus and System for Centering Media Disks on the Hub of a Spindle Motor in a Hard Disk Drive
Method for Speculative Streaming Data from a Disk Drive
Speculative Data Streaming Disk Drive and System
Composite Disk Clamp Assembly with Lower Layer Fixedly Coupled to Upper Layer of Smaller Diameter
Method for Depositing a Thin Film Adhesion Layer
Magnetic Thin Film Media with a Bi-Layer Structure of Crti/Nip
Disk Clamp Assembly
Recording Format for Information Date, Information Recording/Reproducing Cording Circuit
Method of Fabricating Electronic Component Using Resist Structure with No Undercut
Plastic Spacer and Disk Clamp Assembly
Method for Efficient Slider Burnishing During Drive Build
Large Protrusion Recording Head for Controlled Magnetic Spacing Recording/Reading
Method, Apparatus and Program Storage Device for Providing Protrusion Feedback for a Read/Write Element
Positioning Control Mechanism for a Magnetic Head in a Magnetic Storage Device
Current-Perpendicular-To-Plane Giant Magnetoresitace Sensor with Embedded Composite Film
Apparatus for Patterning a Self-Aligned Coil Using a Damascene Process
Method for Forming a Magnetic Head Havig a Flux Shaping Layer
Mounting System for Disk Drive Having a Rotary Actuator
Increasing Head-Disk Interface Reliability Using Controlled Heating
Magnetic Head for Reducing Projection of Retrieving and Writing Unit from Float Surface, and Magnetic Recording/Retrieving Apparatus Using the Same
Magnetic Head Slider and Magnet Disk Apparatus
Sensor with Improved Stabilization and Track Definition
Magneto Resistive Head and Magnetic Recording Apparatus
Head-Disk Interaction Sensor Integrated with Suspension
Perpendicular Magnetic Recording Media, Magnetic Recording Apparatus
A System for Assembling a Hard Disk Drive
Method and Apparatus for Controlling Data Read/Write Between a Hard Disk and a Hard Disk Controller
Computer Program Product for Performing Testing of a Simulated Storage Device Within a Testing Simulation Environment
Method and Apparatus for Dynamically Establishing Roll Static Attitude in Hard Disk Drive
Gmr Enhancing Seedlayer for Self Pinned Spin Valves
Head for Perpendicular Recording with a Floating Trailing Shield
Perpendicular Magnetic Recording Head with Trailing Shield Throat Height Less Than Shaping Layer Distance from Abs
Disk Drive System with Hydrodynamic Bearing Lubricant Having Charge-Control Additive Comprising Dioctyldiphenylamine and/or Oligomer Thereof
Stable Encapsulant Fluid Capable of Undergoing Reversible Diels-Alder Polymerization
Method for Assembly Level Disk Erase
Log-Structured File System for Disk Drives with Shingled Writing
System and Method for Writing Hdd Depending on Direction of Head Skew
Method for Preventing Data Loss Due to Repeated Writes to a Given Track on a Magnetic Disk Drive
Apparatus Having a Hard Bias Seedlayer Structure for Providing Improved Properties of a Hard Bias Layer
Magnetic Transducer for Perpendicular Magnetic Recording with Single Pole Write Head with Trailing Shield
Magnetic Head Having Media Heating Device That Is Electrically Connected to Magnetic Pole Piece
Method for Improving Hard Bias Properties of Layers in a Magnetoresistive Sensor
Apparatus for Automatically Debonding, Processing, and Handling Fragile Slider Rows
Patent:
6,843,298 →
Application:
10/675,190 →
Fabrication Process for Preparing Recording Head Sliders Made from Silicon Substrates with SIO2 Overcoats
Computer System Having Drive Temperature Self-Adjustment for Temperature-Sensitive Measurements
Spin Valve with a Capping Layer Comprising an Oxidized Cobalt Layer and Method of Forming Same
System and Apparatus for Achieving Very High Crown-to-Camber Ratios on Magnetic Sliders
Spin Valve Sensor Having One of Two Ap Pinned Layers Made of Cobalt
Hard Disk Drive Having Drive Temperature Self-Adjustment for Temperature-Sensitive Measurements
Spin Valve Sensor Having an Antiparallel (Ap) Self-Pinned Layer Structure Comprising Cobalt for High Magnetostriction
A Method for Fabricating a Magnetic Head
Method for Operating Disk Drive Having Improved Timing Marks
Suspension Having Magnetic Head Assembly Mounted Thereon and Magnetic Recording Disk Drive Using the Suspension
Thin Film Media with a Dual Seed Layer of Rual/Nialb
Head for Perpendicular Magnetic Recording with a Shield Structure Connected to the Return Pole Piece
Method for Compensating Timing to Start Data Recording and Magnetic Disk Device Using Same
Magnetoresistive Magnetic Sensor and Magnetic Storage Apparatus
Magnetic Disk Protection Mechanism, Computer System Comprising Protection Mechanism, Protection Method for Magnetic Disk, and Program for Protection Method
Magnetic Disc Unit with Range of Gap Between Disc and Shroud
Magnetic Disk Apparatus
Magnetic Recording Disk Drive
Disk Device and Unbalance Correcting Method Thereof
Vibroacoustic Emulator
Defect Management for Hdd with Variable Index Architecture
Lubricant Retention Design for Disk Drive Fluid Dynamic Bearing Spindle Motor
Magnetic Disk Drive
Method for Actively Controlling Electric Potential at the Head/Disk Interface of a Magnetic Recording Disk Drive
Magnetic Recording Disk Drive with Actively Controlled Electric Potential at the Head/Disk Interface for Wear and Durability Control
Data Storage Device, Data Write Method, and Program
Disk Drive Actuator for Dissipating Heat Therefrom
Solubility of Perfluorinated Polyethers in Fluorinated Solvents
Magnetic Recording Head for Perpindicular Recording and Including a Portion Protruding Toward a Mail Pole and Magnetic Disc Storage Apparatus Mounting the Magnetic Head
Data Recording/Readback Method and Data Recording/Readback Device for the Same
Magnetic Recording Apparatus, Magnetic Recording Medium and Magnetic Recording Method
Disk Drive, Storage Medium, and Portable Precision Device
Perpendicular Magnetic Recording Medium, Manufacturing Process of the Same, and Magnetic Storage Apparatus Using the Same
System and Method for Writing Servo Track in Sealed Hdd
Data Storage Apparatus and Method for Managing Buffer Memory
'Thermal Spring' Magnetic Recording Media for Writing Using Magnetic and Thermal Gradients
Magnetic Head Coil Structure and Method for Manufacturing the Same
Inertial Latching Mechanism for Disk Drive Actuator
Bilinear-Nonlinear Limit Stop for Hard Disk Drive Actuator
Recording and Reproducing Apparatus, Content Reproducing Apparatus, Magnetic Disk Device, and Control Method Thereof
Magnetic Recording System with Patterned Multilevel Perpendicular Magnetic Recording
Method for Magnetic Recording on Patterned Multilevel Perpendicular Media Using Variable Write Current
Patent:
6,882,488 →
Application:
10/727,812 →
Patterned Multilevel Perpendicular Magnetic Recording Media
Protective Device for Reducing the Impact of Physical Shock
Self-Pinned Spin Valve Sensor with a High Coercivity Antiparallel (Ap) Pinned Layer
Method for Magnetic Recording on Patterned Multilevel Perpendicular Media Using Thermal Assistance and Fixed Write Current
Patent:
6,865,044 →
Application:
10/728,231 →
Plating Using Copolymer
Head Support Mechanism and Magnetic Disk Device
Dual Function Array Feature for Cmp Process Control and Inspection
Cmp for Corrosion-Free Cofe Elements for Magnetic Heads
Skew-Tolerant Gray Codes
Patent:
6,885,321 →
Application:
10/734,943 →
Damascene Method for Forming Write Coils of Magnetic Heads
Methods for Creating Ground Paths for Ils
Skew-Tolerant Gray Code for a Moveable Object
Magnetic Brake for Disk Drive
Air-Bearing Sliders Having Leading Read/Write Head and Flying with Negative Pitch
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name
Oct 25, 2012
From: HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
To: HGST NETHERLANDS B.V.
Reel/Frame 029341/0777 →
Security Interest
Feb 6, 2020
From: WESTERN DIGITAL TECHNOLOGIES, INC.
To: JPMORGAN CHASE BANK, N.A., AS AGENT
Reel/Frame 052915/0566 →
Release of Security Interest at Reel 052915 Frame 0566
Feb 8, 2022
From: JPMORGAN CHASE BANK, N.A.
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 059127/0001 →