Patent Assignment
Reel/Frame 040826/0821
Assignment of Assignor's Interest
Recorded: 2016-12-06
Pages: 115
Assignor
HGST NETHERLANDS B.V.
Executed: 2016-08-31
Assignee
WESTERN DIGITAL TECHNOLOGIES, INC.
3355 MICHELSON DRIVE, SUITE 100, IRVINE, CALIFORNIA, 92612
Covered Properties
(526)
Method for Manufacturing a Perpendicular Magnetic Write Head
Perpendicular Magnetic Recording Disk Having a Permeability Gradient
Perpendicular Magnetic Recording Write Head with Flux Shaping Layers on the Write Pole and Magnetic Recording System Incorporating the Write Head
Apparatus, System, and Method for the Selection of Perpendicular Media Segregant Materials
System, Method and Apparatus for Lapping Workpieces with Soluble Abrasives
Method for Forming an Mgo Barrier Layer in a Tunneling Magnetoresistive (Tmr) Device
Patent:
7,488,609 →
Application:
11/941,763 →
Electronic Information Storage Apparatus with Non-Lubricated Media
Cpp Spin Valve with Long Spin Diffusion Length AP1 Layers
Method for Manufacturing a Perpendicular Magnetic Write Head with Wrap Around Magnetic Trailing and Side Shields
Perpendicular Magnetic Write Head with Stitched Notched Trailing Shield
System, Method and Apparatus for Pattern Clean-Up During Fabrication of Patterned Media Using Forced Assembly of Molecules
Challenge and Response Access Control Providing Data Security in Data Storage Devices
System, Method and Apparatus for Ultraviolet Curing of Adhesives with Light Beam Shaping in Disk Drive Manufacturing
Fenceless Main Pole Definition for Advanced Perpendicular Magnetic Write Head
Perpendicular Magnetic Write Head with Stepped Write Pole for Reduced Mcw Dependency on Skew Angle
System, Method and Apparatus for Obtaining True Roughness of Granular Media
Method for Manufacturing a Magnetic Write Head
System, Method and Apparatus for Filament and Support Used in Plasma-Enhanced Chemical Vapor Deposition for Reducing Carbon Voids on Media Disks in Disk Drives
Perpendicular Magnetic Recording Write Head with Magnetic Shields Separated by Nonmagnetic Layers
Non-Volatile Cache in Disk Drive Emulation
Magnetic Write Head Having Helical Coil with a Fin Structure for Reduced Heat Induced Protrusion
Perpendicular Magnetic Write Head with a Thin Wrap Around Magnetic Shield
Process for Self-Aligned Flare Point and Shield Throat Definition Prior to Main Pole Patterning
Method of Manufacturing a Perpendicular Magnetic Write Head with Stepped Trailing Magnetic Shield with Electrical Lapping Guide Control
Cpp Sensors with Hard Bias Structures That Shunt Sense Current Towards a Shield
Methods for Fabricating Perpendicular Recording Heads with Controlled Separation Regions
Fabricating Magnetic Read Heads with a Reduced Scratch Exposure Region
Three-Dimensional Magnetic Memory with Multi-Layer Data Storage Layers
Magnetic Write Pole Fabrication
Testing the Quality of Lift-Off Processes in Wafer Fabrication
Resistance Measurements of a Helical Coil
System and Apparatus for Patterned Media with Reduced Magnetic Trench Material
Perpendicular Magnetic Recording Write Head with Slanted Magnetic Write Pole
A Method for Making a Scissoring-Type Current-Perpendicular-to-the-Plane (Cpp) Magnetoresistive Sensor
Techniques for Data Storage Device Virtualization
Magnetoresistive Sensor with Nitrogenated Hard Bias Layer for Improved Coercivity
Tunnel Junction Magnetoresistive Sensor Having a Near Zero Magnetostriction Free Layer
Methods and Apparatus to Fabricate Soft Magnetic Film with Preferred Uniaxial Anisotropy for Perpendicular Recording
Aerodynamic Shapes for Wafer Structures to Reduce Damage Caused by Cleaning Processes
Magnetic Disc Unit with Gap Between Magnetic Disc and Shroud
Random Number Generation for a Host System Using a Hard Disk Drive
Servo Patterns for Self-Assembled Island Arrays
Current-Perpendicular-To-Plane (Cpp) Read Sensor with Multiple Reference Layers
Self-Assembly Structures Used for Fabricating Patterned Magnetic Media
Patterned Magnetic Media Having an Exchange Bridge Structure Connecting Islands
Glide Test Heads Using Heating Elements to Form a Planar Detection Surface
Verification of a Ground Connection Fabrication Process for Esd Resistors in Magnetic Heads
Verification of a Fabrication Process Used to Form Read Elements in Magnetic Heads
Magnetoresistance (Mr) Read Elements Having an Active Shield
Test Components Fabricated with Large Area Sensors Used for Determining the Resistance of an Mr Sensor
Test Components Fabricated with Pseudo Sensors Used for Determining the Resistance of an Mr Sensor
Multivariate Head-to-Disk Contact Detection
Patent:
7,508,618 →
Application:
11/965,637 →
Protecting Hard Bias Magnets During a Cmp Process Using a Sacrificial Layer
Method of Making a Magnetoresistive Reader Structure
Method and System for Detecting a Change in a Rotational Velocity of a Magnetic Disk or a Spindle Coupled to the Magnetic Disk
Read Transducer and Magnetic Storage System Implementing Same
Perpendicular Write Head Having a Modified Wrap-Around Shield to Improve Overwrite, Adjacent Track Interference and Magnetic Core Width Dependence on Skew Angle
Dynamic Hard Magnet Thickness Adjustment for Reduced Variation in Free Layer Stabilization Field in a Magnetoresistive Sensor
Write Head Having Independent Side Shield and Trailing Shield Throat Height
Method for Manufacturing an Ultra Narrow Gap Magnetoresistive Sensor
Hybrid, Self Aligned Magnetic Write Head with a Partially Plated Pole and Method of Producing Same
Method for Manufacturing a Perpendicular Magnetic Write Pole Having a Large Bevel Angle
Magnetic Recording and Reading Device
Wafer Level Balanced Capacitance Design for Magnetic Heads
System and Method to Electrically Ground Fluid Dynamic Bearings
Hga Suspension Pad Barrier for Elimination of Solder Bridging Defect
Fluid Dynamic Bearing with a Labyrinth Seal
Power Saving Optimization for Disk Drives with External Cache
Ultra Low-Cost Solid-State Memory
Power Disturbance Compensation
Patent:
7,486,463 →
Application:
11/975,441 →
Disk Drive and Method of Retracting Head Thereof
Minimizing a Mechanical Mode Excitation Utilizing a Generated Seek Trajectory
Patent:
7,486,469 →
Application:
11/981,929 →
Selective soldering using fiber optic device
Hard Disk Drive Vibration Cancellation Using Adaptive Filter
Patent:
7,486,470 →
Application:
11/982,283 →
Fly Height Adjustment Device Calibration
Perpendicular Magnetic Recording Medium
Perpendicular Magnetic Recording Medium and Method of Manufacturing the Same
Perpendicular Magnetic Recording Medium and Magnetic Storage Apparatus Using the Same
Disk Drive and Calibration Method Therefor
Media Defect Removal in Disk Drive Head Testing
High aspect ratio motion limiter of a microactuator and method for fabrication
Flex Cable Assembly Damper
Disk Drive Device and Carriage of Actuator with Damping Member
Magnetoresistive Head Having a Current Screen Layer for Confining Current Therein and Method of Manufacture Thereof
A Suspension Assembly Including a Limiter Having a Gross Length Larger Than a Between-Coupling-Portions Distance Between Coupling Portions
Wrist Strap Monitor Remote Alarm Panel Display
Method and System for Fabricating a Data Storage Medium
Perpendicular Magnetic Recording Medium
A Head Support for a Magnetic Disk Device
Method and System for Dynamically Allocating Read and Write Sequence Randomizer
Magnetic Performance of a Magnetic Transducer Operating Within a Hard Disk Drive
Methods and Systems for Forming an Alignment Mark with Optically Mismatched Alignment Mark Stack Materials
Patent:
8,283,792 →
Application:
12/001,950 →
Nand Flash Module Replacement for Dram Module
Signal Processing Apparatus and a Data Recording and Reproducing Apparatus Including Local Memory Processor
Three Terminal Magnetic Sensing Device Having a Track Width Defined in a Localized Region by a Patterned Insulator and Methods of Making the Same
Method and System for Performing Calculations Using Fixed Point Microprocessor Hardware
Head Gimbal Assembly (Hga) Connector Pad Alignment Jig
Ganged Removal of Component Device Cover Screws
Lubricant with Non-Terminal Functional Groups
Integrated Windage Blocker for Reduction of Flex Cable Vibration in a Disk Drive
Multiple Writing Process for Magnetic Bit-Patterned Media
Storage System and Method for Opportunistic Write-Verify
Methods for Plating Write Pole Shield Structures with Ultra-Thin Metal Gap Seed Layers
Magnetic Head for Perpendicular Recording Having Stepped Wrap Around Shield with Independent Control of Write Pole Track Width and Flare Point Dimensions
Layered Return Poles for Magnetic Write Heads
Dynamic Test Glide Head Calibration Using Laser Adjustment
Perpendicular Pole with Bilayer Gap
Patent:
7,517,463 →
Application:
12/005,572 →
Magnetic Head Design Having Reduced Susceptibility to Electrostatic Discharge from Media Surfaces
Perpendicular Magnetic Recording Writer Main Pole Having Imbedded Non-Magnetic Core and De-Coupled Pole Tip
Adjustable Voice Coil Motor Driver
Correcting a Track Pitch Error with a Subsequent Servo-Write Pass
Servo Track Writer Clockhead Radius Jig
Mixed Format Disk Drive
Integrated Circuit Dismounter
Dedicated Noncorrosive Smear Detector
Test Device and Method for Measurement of Tunneling Magnetoresistance Properties of a Manufacturable Wafer by the Current-in-Plane-Tunneling Technique
Test-Device System for Independent Characterization of Sensor-Width and Sensor-Stripe-Height Definition Processses
Microactuator Reference Input Limit to Prevent Internal States Over-Accumulation
Wafer Level Testing
Repair of Defective Servo Tracks
Advanced-Process-Control System Utilizing a Lambda Tuner
High-Resolution, Patterned-Media Master Mask
Tree-Structure Memory Device
Data Recording Device and Control Method of Same
Magnetic Disk Drive and Method for Production Thereof
Magnetic Disk Drive, Preamplifier for Magnetic Disk Drive, Flexible Printed Cable Assembly for Magnetic Disk Drive
Cpp-Type Magnetoresistive Effect Head and Method of Manufacturing the Same
Disk Drive Device
Magnetic Disk Drive
Recording Disk and Disk Drive
Disk Drive Device and Manufacturing Method Thereof
Data Recording Device
Reduce Leakage of Low-Density Gas During Low-Density Gas Injection into a Disk Drive
Perpendicular Magnetic Recording Medium and System Having a Magnetic Recording Layer with a Perpendicular Recording Layer, a Magnetic Coupling Layer, and a Writing Assist Layer
Method for Fabricating a Three Terminal Magnetic Sensor for Magnetic Heads with a Semiconductor Junction
A Magnetic Head Using a Synthetic Ferri Free Structure
Single Pole Tip Write Head Design for Perpendicular Recording Media Having Reduced Dependence on Soft Underlayers
Motor Mount for Interference Suppression in a Hard Disk Drive
Sensor Shape of a Cpp Magnetic Head for Improving the Mr Ratio
Magnetic Recording Apparatus with Correlated Main Magnetic Pole-to-Shields Spacing and Main Magnetic Pole-to-Medium Layers Spacing
Disk Drive Device, Altitude Determination Method Therefore and Method for Determining Characteristic of Head Element Portion
Magnetic detection element
Diamond-Like Carbon (Dlc) Hardmask and Methods of Fabrication Using Same
Emr Magnetic Sensor Having Its Active Quantum Well Layer Extending Beyond an Over-Lying Semiconductor Layer End with Tab and Lead Structure for Improved Electrical Contact
Dual Direction Power and Data Transfer Protocol and Safety Detection
Method for Manufacturing a Perpendicular Magnetic Write Pole Using an Electrical Lapping Guide for Tight Write Pole Flare Point Control
Method, System, and Computer Program Product for Estimating Adjacent Track Erasure Risk by Determining Erase Band Width Growth Rates
Thermally Assisted Recording Systems with Low Loss Light Redirection Structure
Method, System, and Computer Program Product for Thermally Assisted Recording Systems
Magnetoresistive Sensor Having Quantum Well Structure and a Trapping Layer for Preventing Charge Carrier Migration
Generation of Multilayer Structures in a Single Sputtering Module of a Multi-Station Magnetic Recording Media Fabrication Tool
Techniques for Providing Dc-Free Detection of Dc Equalization Target
Controlled Lapping for an Abs Damascene Process
Perpendicular Magnetic Write Head Having a Novel Trailing Return Pole for Reduced Wide-Area-Track-Erasure
System, Method and Apparatus for Disk Drive Recirculation Filter Having Inlet and Outlet Disk Rim Shrouding
Perpendicular Magnetic Recording Medium and System with Low-Curie-Temperature Multilayer for Heat-Assisted Writing and/or Reading
Laser Power Sensor for Thermally Assisted Magnetic Recording
A Method for Manufacturing a Magnetic Write Head
Systems Using Low Density Parity Check Codes for Correcting Errors
Method and System for Providing Hard Disk Shrouds with Aerodynamic Fences for Suppressing Flow Induced Disk Excitation
Patterned Media Magnetic Recording Disk Drive with Write Clock Phase Adjustment for Data Pattern Circumferential Misalignment
Current-Perpendicular-To-Plane (Cpp) Read Sensor with Multiple Ferromagnetic Sense Layers
System, Method and Apparatus for Flexure-Integrated Microactuator
Method of Forming a Magnetic Read/Write Head
Head Spacing Verification in Magnetic Disk Drive Systems During End-User Operation
Method for Manufacturing a Tunnel Junction Magnetoresistive Sensor with Improved Performance and Having a Cofeb Free Layer
Method for Non-Contact and Diffuse Curing Exposure for Making Photopolymer Nanoimprinting Stamper
Disk Drive Device and Method for Error Recovery Procedure Therefor
Automatic Process Counter
Magnetic Head Having Write Pole, First Soft Magnetic Films Separately Disposed on Both Sides of the Main Pole, and a Second Soft Magnetic Film Disposed on a Trailing Side of the Main Pole
Thermally Assisted Magnetic Recording Head, Recording System, and Recording Method
Disk Drive Device and Ramp Used Therefor
Magnetic Head Inspection System, Magnetic Head Inspection Method and Magnetic Disk Drive Manufacturing Method
Components and Assembly Procedure for Thermal Assisted Recording
Method for specifying control value for controlling clearance adjustment amount between head and disk, disk drive device and manufacturing method thereof
Perpendicular Recording Magnetic Head
Magnetic Recording Media, Method for Servowriting on Same, and Hard Disk Drive
Disk Drive Device and Data Rewrite Method Thereof
Disk Drive Device and Method for Production Thereof
Data Storage Device and Management Method of Cryptographic Key Thereof
Magnetic Disk Drive, Wiring Connection Structure and Terminal Structure
Perpendicular Magnetic Recording Media and Magnetic Storage Apparatus Using the Same
Suspension Having Magnetic Head Assembly Mounted Thereon and Magnetic Recording Disk Drive Using the Suspension
Hard Disk Drive with Recessed Actuator Joint
Techniques for Correcting Errors and Erasures Using a Single-Shot Generalized Minimum Distance Key Equation Solver
Additive Write Pole Process for Wrap Around Shield
Magnetic Tunnel Transistor with High Magnetocurrent
Scissoring-Type Current-Perpendicular-to-the-Plane Giant Magnetoresistance (Cpp-Gmr) Sensors with Damped Free Layer Structures
Magnetoresistive Sensor with Sub-Layering of Pinned Layers
Robust Over-Center Latch Assembly
Magnetic Disk Protection Mechanism, Computer System Comprising Protection Mechanism, Protection Method for Magnetic Disk, and Program for Protection Method
Fluid Dynamic Bearing with an Immiscible Fluid Barrier
Flex Cable with Biased Neutral Axis
Minimizing Flow Induced Vibration in a Hard Disk Drive with a Hybrid Planar Plate Having a Bypass Channel
Perpendicular Write Head Having a Trailing Shield with a Short Gap, Short Throat and High Apex Angle for Improved Linear Density Recording
Method and Apparatus for Beam Soldering
Tunnel Magnetoresistance (Tmr) Structures with Mgo Barrier and Methods of Making Same
Method of Making a Write Head Lapping Guide About Aligned to a Non-Magnetic Layer Surrounding a Write Pole
Flat E-Yoke for Cusp Write Head
System, Method and Apparatus to Prevent the Formation of Lubricant Lines on Magnetic Media
Method for Screening Magnetic-Recording Heads
Three-Dimensional Magnetic Memory Having Bits Transferrable Between Storage Layers
System, Method and Apparatus for Integrated Bypass Channel and Diverter for Hard Disk Drives
Current Perpendicular to Plane Magnetoresistive Sensor Employing Half Metal Alloys for Improved Sensor Performance
Method of Fabricating a Device Having a Sidegap
Dissipation of Liquid Droplets in a Magnetic Disk Drive
Compliant Air Bearing Slider
Read Sensors and Methods of Making Same with Back-Edge Milling and Refilling
Magnetic Head with Delayed Connection Heater Shunting
Tmr Sensor Having an Under-Layer Treated with Nitrogen for Increased Magnetoresistance
Read Sensor with a Uniform Longitudinal Bias Stack
Method and System for Monitoring Gas in Sealed Hard Disk Drives with Feedback
Current-Perpendicular-To-Plane (Cpp) Read Sensor with Smoothened Multiple Reference Layers
Magnetoresistive Sensor Design for Signal Noise Pickup Reduction for Use with Deep Gap Electrostatic Discharge Shunt
Methods and Systems for Using Resistivity of Sensor Film in an Element Shunt
Method for Making a Current-Perpendicular-to-the-Plane Giant Magnetoresistance (Cpp-Gmr) Sensor with a Confined-Current-Path (Ccp)
Seal Attach Press Tool
Magnetic Recording Disk Having Pre-Patterned Surface Features and Planarized Surface
Method for Making a Master Mold with High Bit-Aspect-Ratio for Nanoimprinting Patterned Magnetic Recording Disks, Master Mold Made by the Method, and Disk Imprinted by the Master Mold
Method Using Block Copolymers for Making a Master Mold with High Bit-Aspect-Ratio for Nanoimprinting Patterned Magnetic Recording Disks
Magnetic Disk Drive
Disk drive device and method for accessing disk thereof
Application:
12/148,165 →
Publication:
US 2008/0270672
Magnetic Disk Drive Feed-Through Solder Connection with Solder Fillet Formed Inside Base and Protruding Outside Base
Magnetic Head Slider with Diffusion Stop Films Each of Which Is Disposed Between the Associated Terminal Portion and Lead Portion or Between the Associated Lead Portion and Seed Film
Perpendicular Magnetic Recording Medium and Manufacturing Method Thereof
Multi-Bit Phase Alignment for Synchronization Mark Pattern Matching
Detection of synchronization mark from output of matched filter upstream of viterbi detector
Magnetic Disk Drive and Method of Controlling the Same
Thermally Assisted Recording Head with Magnetic Pole Integrated into Optical Aperture for Dual Gradient Recording
Device and Method for Specifying Control Value for Controlling Clearance Between Head and Disk, and Magnetic Disk Drive Device
Content Data Mangement System and Method
Perpendicular Magnetic Recording Media and Magnetic Storage Apparatus Using the Same
Magnetic Recording Disk Having Aligning Pattern and Method for Aligning Thereof
Hermetically-sealed disk drive device with flow amount adjuster and low-density gas sealed therein
Method for Testing the Acceptability of a Magnetic Read Sensor
Read Sensors with Improved Orientation of the Hard Bias Layer and Having a Nanocrystalline Seed Layer
Thermal Fly Height Induced Shield Instability Screening for Magnetoresistive Heads
Patent:
7,564,236 →
Application:
12/166,163 →
Techniques for Scheduling Requests for Accessing Storage Devices Using Sliding Windows
Data Storage Devices Accepting Queued Commands Having Deadlines
Head Stack Assembly Gramload Process Capability Improvement
Enhanced Anti-Parallel-Pinned Sensor Using Thin Ruthenium Spacer and High Magnetic Field Annealing
Integrated Lead Suspension with Multiple Crossover Coplanar Connection of the Electrically Conductive Traces
High Resolution Patterning of Surface Energy Utiliizing High Resolution Monomolecular Resist for Fabrication of Patterned Media Masters
Magnetic Recording Disk Drive with Switchable Compensation for Mechanical and Electrical Disturbances
Patent:
7,595,953 →
Application:
12/177,571 →
System, Method and Apparatus for Batch Vapor Deposition of Adhesion Promoter for Manufacturing Discrete Track Media and Bit-Patterned Media, and Mono-Molecular Layer Lubricant on Magnetic Recording Media
Disk Spacer Drop-Proofing Tool for Disk Removal Process
Method for Confining Sense Current of a Read Transducer to an Air-Bearing Surface(Abs) Side of a Free Layer
High Bandwidth and Mechanical Strength Between a Disk Drive Flexible Circuit and a Read Write Head Suspension
Current Perpendicular to Plane Magnetoresistance Read Head Design Using a Current Confinement Structure Proximal to an Air Bearing Surface
Positioning Weight Assemblies Along a Dynamic Loop Section of a Flex Cable to Reduce Flex Cable Oscillation
Triple Track Test for Side Erase Band Width and Side Erase Amplitude Loss of a Recording Head
Symmetrically Tapered Constrained Layer Damper for a Flex Cable Assembly for a Hard Disk Drive
Method for Fabricating Narrow Magnetic Read Width Tmr/Cpp Sensors
Oscillation Test for Off Track Write
System, Method and Apparatus for Direct Head-Disk Clearance Measurement by Slider Vibration and Fly Height Calibration
System, Method and Apparatus for Planarizing Media Topography via Soaking in Dilute Non-Functionalized Polymer Solution
Application:
12/186,596 →
Publication:
US 2010/0034966
Magnetic Field Sensing System Using Spin-Torque Diode Effect
Read/Write Elements for a Three-Dimensional Magnetic Memory
Pivot-Carriage Having a Center-Bore with an Integrated Bearing-Spacer Portion
Write Head with Integrated Coil and Shield Structure
Recording Format for Information Date, Information Recording/Reproducing Cording Circuit
Error Control in a Flash Memory Device
Reducing Hdd Failure Caused by Electromagnetic Interference from Wireless Devices
Current Perpendicular to Plane Differential Magnetoresistance Read Head Design Using a Current Confinement Structure Proximal to an Air Bearing Surface
Method for Manufacturing a Perpendicular Magnetic Write Head Having a Slanted Write Pole
Thermal Assisted Recording (Tar) Disk Drive Capable of Controlling the Write Pulses.
System, Method and Apparatus for Onset Magnetic Oxide Layer for High Performance Perpendicular Magnetic Recording Media
Magnetic Recording Disk Drive with Rotational Vibration Compensation Having Adaptive Optimization of Vibration Sensor Gains
Method and System for Pre-Contact Detection and Active Damping of Air Bearing Vibrations in a Hard Disk Drive
Patent:
7,660,068 →
Application:
12/212,739 →
Apparatus and Method for Adjusting a Feed-Forward Signal for Seek Control During a Seek Operation
Adaptive Track Shape Control During Self Servo-Write
Media Drive, Processing Method for Recording Data Onto a Medium, Processing Method for Data Read from a Medium, and Method for Controlling a Process for Reading Data from a Medium
Thermally Assisted Recording Head Control Means for Protrusion Management
Differential Magnetoresistive Magnetic Head
One Magnetic Sided Media for Low Cost and Low Capacity Applications
Disk Drive Device and Method for Removing Adhesion on a Head
Approaches for Manufacturing a Head Gimbal Assembly
Method of Servo Writing for Magnetic Recording System, Magnetic Recording System
Perpendicular Magnetic Recording Head and Method for Manufacturing the Same
Magnetic Head Slider
Apparatus, Signal-Processing Circuit and Device for Magnetic Recording System
Method of Utilizing a Solder Reflow Channel in the Formation of a Hard Disk Drive
Magnetic Head Having Reduced Cost Electrostatic Discharge Shunt
Slider and Suspension Composite Fiber Solder Joints
Method for Manufacturing a Perpendicular Magnetic Write Head with a Wrap Around Shield
Flex Circuit Assembly with a Dummy Trace Between Two Signal Traces
Adaptive Data Recovery Procedure Based on Radial Positioning
Hard Disk Drive with Disk Separator for Creating Axial Gaps Between Disks for Access by Read/Write Heads
Top Cover Screw Floating Checker System for Hard Disk
Patterned-Media Magnetic Recording Disk with Optical Contrast Enhancement and Disk Drive Using Optical Contrast for Write Synchronization
Slider with an Air Bearing Surface and Related Topography
Slider with Pockets in Front of Air Bearing Surface
System for Controlling Contact Location During Tfc Touchdown and Methods Thereof
Cpp Dual Free Layer Magnetoresistive Head for Magnetic Data Storage
Thin Film Perpendicular Magnetic Recording Head, Their Fabrication Process and Magnetic Disk Drive Using It
System, Method, and Apparatus for Membrane, Pad, and Stamper Architecture for Uniform Base Layer and Nanoimprinting Pressure
Microwave Circulator with Thin-Film Exchange-Coupled Magnetic Structure
Thermally Assisted Magnetic Head
Manufacturing a Narrow Track Read Head
Method and Apparatus for Write Enable and Inhibit for High Density Spin Torque Three Dimensional (3D) Memory Arrays
Magnetic Head Supporting Mechanism with Regulating Member Which Prevents Over Angulation of the Slider Support
Flex Cable for a Hard Disk Drive Having an Interrogation Trace
Determination of the Quality of an Erase Process for Perpendicular Magnetic Recording Disks
Self-Releasing Resist Material for Nano-Imprint Processes
Decoding Error Correction Codes Using a Modular Single Recursion Implementation
Microactuator, Head Gimbal Assembly, and Disk Drive Device
Current-Perpendicular-To-Plane (Cpp) Read Sensor with Ferromagnetic Amorphous Buffer and Polycrystalline Seed Layers
Robotic End-Effector for Component Center Alignment and Assembly
High Speed Digital Signaling Apparatus and Method Using Reflected Signals to Increase Total Delivered Current
Disk Drive Device Manufacturing Method Thereof, and Method for Specifying Data Track Pitch for the Disk Drive Device
Magnetic Disk Drive and Control Method Thereof
Disk Drive Device and Method for Determining Data Track Format of the Disk Drive Device
Magnetic Disk Drive with Head Retraction Control
Microactuator,Head Gimbal Assembly, and Magnetic Disk Drive
Disk Drive Device, Manufacturing Method Thereof, and Method for Setting Heater Power Value for a Heater for Adjusting a Clearance
Actuator latching mechanism for magnetic disk drive
Perpendicular Magnetic Recording Medium, Method of Manufacturing the Same, and Magnetic Recording Device
An Apparatus for Detaching a Head Slider Joined to a Mounting Plate of Suspension
Actuator Mechanism for Magnetic Disk Drive
Method for Producing Tight Pitched Coil with Reduced Processing Steps
Thermally Assisted Recording System
Data Storage Device
Method for manufacturing magnetic recording medium
Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus using the same
Disk Drive and Head Slider
Content Data Management System and Method
Disk Drive and Controlling Method Thereof
Disk Drive Device and Servo Control Method Thereof
Magnetic Disk Unit and Manufacturing Method Thereof
Magnetic Disk Drive and Control Method Thereof
Magnetic Disk Device and Head Stack Assembly
Magnetic Disk and Magnetic Disk Unit
Perpendicular Magnetic Recording Head, Magnetic Head, and Magnetic Disk Device Mounted with These Heads
Magneto-resistive effect element, magnetic head, and magnetic recording/reading apparatus
Perpendicular magnetic recording head and method of manufacturing the same
Head Slider and Disk Drive Device
Manufacturing Method of Hermetic Connection Terminal Used in a Disk Drive Device Having Hermetically Sealed Enclosure and Disk Drive Device
Disk Drive Device
Magnetic Head and Magnetic Disk Apparatus
Magnetic Head and Magnetic Recording Apparatus
Galvanomagnetic Device and Magnetic Sensor
Electrical Interconnect System with Integrated Transmission- Line Compensation Components
Magnetic Recording Capping Layer with Multiple Layers for Controlling Anisotropy for Perpendicular Recording Media
Magnetic Disk Drive and Voice Coil Motor
Disk Drive Device and Magnetic Disk Drive
Disc Drive Device
Method and System for Reducing Power Consumption by Command Selection in a Hard Disk Drive
Flex Cable and Method for Lowering Flex Cable Impedance
Method for Servowriting a Patterned-Media Perpendicular Magnetic Recording Disk Using Position Error Signal (Pes) Alignment Fields
Slider Having a Lubricant-Accumulation Barrier
Slider Having a Lubricant-Accumulation Barrier Including a Plurality of Lubricant-Accumulation-Barrier Portions
Magnetic and Encapsulation Contamination Control for Disk Drives
Connecting a Preamplifier to a Printed Circuit Board Assembly on a Hard Disk Drive
Active Compensation of Flying Height in Magnetic Disk Drives
Integrated Slider Bias Control
Methods for Depositing Lubricant Onto Disks and Systems Thereof
Magnetic Recording Disk and Disk Drive with Alternating Single-Polarity Position Error Signal (Pes) Blocks for Read/Write Head Positioning
Method and Apparatus for Controlling the Effects of Seek-Induced Vibration of a Component Part in a Hard-Disk Drive
Density Multiplication and Improved Lithography by Directed Block Copolymer Assembly
Method and Apparatus for Controlling Fly-Height of a Perpendicular-Magnetic-Recording Head in a Hard Disk Drive
Methods and Apparatus to Detect Surface Characteristics on Magnetic Read/Write Heads
Low Resistance Tunnel Magnetoresistance (Tmr) Structure
Patterned-Media Magnetic Recording Disk with Cryptographically Scrambled Patterns and Disk Drive Operable with the Disk
Bulk Eraser
Method of Manufacturing a Hard-Disk Drive Using a Bulk Eraser
Bulk Eraser Including at Least Three Magnets Configured for Erasing Recorded Information
Method of Multi-Angled Bump Processing for Magnetic Pole Fabrication and Systems Thereof
Methods for Creating a Stepped Perpendicular Magnetic Pole via Milling and/or Metal Liftoff
Methods for Creating Slanted Perpendicular Magnetic Pole via Metal Liftoff
Write Head with Different Upper and Lower Yoke Lengths and Methods for Making the Same
Methods for Creating a Magnetic Main Pole with Side Shield and Systems Thereof
Reducing a Spreading of Contaminants Within a Hard Disk Drive
Stepped Main Pole for Perpendicular Write Heads in Hard Disk Drives and Method of Making Same
Reducing a Generation of Contaminants During a Solder Reflow Process
Active Fly Height Control Using Radio Frequency Feedback
Patent:
7,719,786 →
Application:
12/343,039 →
Method for Creating a Magnetic Write Pole Having a Stepped Perpendicular Pole via Cmp-Assisted Liftoff
Head-Disk Contact Detection and Work Function Difference Determination
Magnetic Write Head Having a Self-Aligned Side Wrap-Around Shield with Multi-Angle Slanted Bump
Method for Manufacturing a Magnetic Write Head
Method for Manufacturing a Magnetic Write Head Having a Hard Mask Defined Write Pole Trailing Edge Step
Method for Manufacturing a Magnetic Write Head Having a Write Pole with a Trailing Edge Taper Using a Rieable Hard Mask
Structure Formation Using Metal Deposited on a Rie-Able Seedlayer
System, Method and Apparatus for Sector Grading of Defective Bit Patterned Magnetic Media in Hard Disk Drives
System, Method and Apparatus for Fabricating a C-Aperture or E-Antenna Plasmonic Near Field Source for Thermal Assisted Recording Applications
Narrow Track Extraordinary Magneto Resistive [Emr] Device with Wide Voltage Tabs and Diad Lead Structure
Magnetoresistive Sensor with Novel Pinned Layer Structure
Technique for Measuring Process Induced Magnetic Anisotropy in a Magnetoresistive Sensor
Graphene Electronics Fabrication
Method for Manufacturing an Electrical Lapping Guide for Magnetic Write Head Core Width Optimization
A Method for Manufacturing a Slider for a Perpendicular Magnetic Recording Head
Enhanced Magnetoresistance and Localized Sensitivity by Gating in Lorentz Magnetoresistors
System, Method and Apparatus for Master Pattern Generation, Including Servo Patterns, for Ultra-High Density Discrete Track Media Using E-Beam and Self-Assembly of Block Copolymer Microdomains
Slider with Integrated Writer and Semiconductor Heterostucture Read Sensor
Assisted Deposition, Narrow Trench Damascene Process for Manufacturing a Write Pole of a Magnetic Write Head
System, Method and Apparatus for Internal Polarization Rotation for Horizontal Cavity, Surface Emitting Laser Beam for Thermally Assisted Recording in Disk Drive
Write Head with Self-Align Layer and a Method for Making the Same
Thermally Assisted Recording Head Having Recessed Waveguide with Near Field Transducer and Methods of Making Same
Near Field Transducer Having Main Body and Wings Extending Therefrom and Only Electrically Coupled Thereby.
Ridge Wave-Guide for Thermal Assisted Magnetic Recording
Airborne Particle Trap Within an Enclosure Containing Sensitive Equipment
Disk Drive Having Multiple Disk Surfaces Accessible by a Read/Write Head and Nonvolatile Memory for Continuous Data Transfer
Techniques for Emulating Sequential Device with Constrained Disk Drive
Magnetic Recording Medium Utilzing a Recording Layer Having More and Less Concentrated Parts of a Nonmagnetic Element in an in- Plane Direction and a Nonmagnetic Layer
Magnetic Recording Medium Utilizing a Recording Layer Having More and Less Concentrated Parts of a Nonmagnetic Element in an in-Plane Direction and Manufacturing Method Thereof
Magnetic Recording Medium Having Ion-Implanted Parts
Data Storage Device and Data Management Method in Data Storage Device
Perpendicular magnetic recording head and method for manufacturing the same
Head Stack Assembly, Manufacturing Method Thereof and Multi-Disc Magnetic Storage Device
Manufacturing Method of Base and Manufacturing Method of Disk Drive Device
Method for Manufacturing Perpendicular Magnetic Recording Head
Micro Electro Mechanical System and Head Gimbal Assembly
Perpendicular Magnetic Recording Medium and Magnetic Storage Device Using the Same
Head Slider and Disk Drive
Magnetic Head and Manufacturing Method Thereof
Suspension and Disk Drive
Disk Drive Device and Control Method of Unloading Corresponding to Fall Detection in Disk Drive Device
Magnetic Recording Medium Having a Cobalt-Based Alloy Film for High Density Recording and Magnetic Storage Device Using Same
Perpendicular Magnetic Recording System with Magnetic Precession for Fast Switching of Perpendicular Write Pole Magnetization
Abs with Lubricant Control Trenches for Hard Disk Drives
Techniques for Storing Shingle Blocks in a Cache Memory Using a Data Storage Device
Disk Stack Assembly with Spindle Motor Hub Having Improved Disk-Supporting Flange
Systems and Methods for Polishing a Magnetic Disk
Combined Bulk Thermal-Assister and Bulk Eraser
Airflow Diverter in a Hard Disk Drive System
System, Method and Apparatus for Multiple Anisotropy Layered Magnetic Structures for Controlling Reversal Mechanism and Tightening of Switching Field Distribution in Bit Patterned Media
Patterned-Media Perpendicular Magnetic Recording Disk with Servo Regions Having Magnetized Servo Pillars and Oppositely-Magnetized Servo Trenches
Hard Disk Drive Contamination Control
Perpendicular Magnetic Recording System with Helical Write Coil and Auxiliary Coil for Fast Switching of Write Pole Magnetization
Perpendicular Magnetic Recording System with Auxiliary Coil and Circuitry for Fast Switching of Write Pole Magnetization
System, Method and Apparatus for Strain-Assisted Magnetic Recording for Controlling Switching Field and Tightening Switching Field Distribution in Bit Patterned Media
Systems and Methods for Processing a Magnetic Disk
Unequal Zoning for Track Following on a Hard Disk Drive
Harmonic Selection for Track Following on a Hard Disk Drive
Correcting Errors in Position of an Hdd Write-Head
Magnetic Disk Apparatus with Heating Device and Magnetic Head Slider Used Therefor
Fabrication of Magnetoresistive Sensors and Electronic Lapping Guides
Conductive Paths in a Hard Disk Drive Enclosure
Hard-Disk Drive, Method of Controlling the Hard-Disk Drive, and Method of Manufacturing the Hard-Disk Drive
Three-Terminal Design for Spin Accumulation Magnetic Sensor
Asymmetrical Air Bearing Surface for a Head Slider in Hard Disk Drives
Hard-Disk Drive
Removable Data-Storage Device
Slider Air Bearing for Disk Drives
Patterned Media Magnetic Recording Disk Drive with Write Clock Phase Adjustment for Write Head Track Misregistration
Disk Drive and Method for Controlling the Disk Drive
Magnetic Disk Drive Having Dual Actuator
Method of Manufacturing a Perpendicular Magnetic Recording Head
Integrated Servo and Read Emr Sensor
Disk Drive and Method of Re-Injecting Low Density Gas in a Hermetically Sealed Disk Enclosure of a Disk Drive
Off-Axis Ion Milling Device for Manufacture of Magnetic Recording Media and Method for Using the Same
Method of Manufacturing a Magnetic Head
Spin Torque Oscillator Sensor
Digital Content Protection Systems and Methods
Content Control Systems and Methods
Current-Perpendicular-To-The-Plane (Cpp) Magnetoresistive Sensor with Antiparallel-Free Layer Structure and Low Current-Induced Noise
Disk-Drive Device and Method for Error Recovery Thereof
Method and Apparatus for Forming Servo Patterns on a Magnetic-Recording Disk
Hard-Disk Drive and Control Method for Magnetic Recording on a Patterned Medium of the Hard-Disk Drive
Tmr Sensor with a Multilayered Reference Layer
Testing Magnetic Disk Performance with a Single Slider Simulating Sliders of Various Disk Drive Systems
Self-Aligned Double Flux Guided Tmr Sensor
Magnetic Head Having a Stepped or Segmented Wrap Around Shield and Methods of Formation Thereof
Method for Characterizing a Magnetic-Recording System for the Presence of Adjacent-Track Interference and Far-Track Interference
Magnetoresistive Elelctrostatic Discharge (Esd) Detector
Reducing Slider Bounce in a Hard Disk Drive
Disk Drive Including a Shroud Configured to Overlap an Actuator for Removing Debris from a Head-Slider
Partially-Oxidized Cap Layer for Hard Disk Drive Magnetic Media
Air Bearing Surface of a Head Slider in a Hard Disk Drive
Perpendicular Magnetic Recording Exchange-Spring Type Medium with a Lateral Coupling Layer for Increasing Intergranular Exchange Coupling in the Lower Magnetic Layer
Cpp Magnetoresistive Head
Near-Field Recording Device Having Heating Mechanism Positioned Near a Trailing Side of a Magnetic Pole.
Hard-Disk Drive
Magnetic-Recording-Disk Test-Head and Method of Manufacturing a Magnetic-Recording Disk Using the Magnetic-Recording-Disk Test-Head
Method for Writing Servo Patterns and Disk Drive Including a Controller for Writing Servo Patterns According to the Method
Storage Device with Adaptive Error-Correcting Code for Improved Areal Efficiency
Using Readback Signals to Estimate Radial Location on a Rotating Storage Device
Method Using Block Copolymers for Making a Master Mold with High Bit-Aspect-Ratio for Nanoimprinting Patterned Magnetic Recording Disks
Perpendicular Recording Media with Sublayers of Oxide Dopant Magnetic Materials
Perpendicular Magnetic Recording Write Head with Spin Torque Oscillator for Fast Switching of Write Pole Magnetization
Perpendicular Magnetic Recording System with Spin Torque Oscillator and Control Circuitry for Fast Switching of Write Pole Magnetization
Control Method for Magnetic Disk Device, Magnetic Disk Device, and Magnetic Disk
Method and Apparatus for Positioning a Magnetic-Recording Head
Method for Writing Servo Data to a Disk and Disk Drive Configured to Write Servo Data Utilizing the Method
Tunneling Magnetoresistive (Tmr) Read Head with Low Magnetic Noise
Disk Drive Including a Host Interface Supporting Different Sizes of Data Sectors and Method for Writing Data Thereto
Cushioning ramp having a stepped structure for a magnetic disc apparatus
CPP Structure Magnetoresistive Head
Magnetic Head Having a Facing Electrode Pair for Generating an Electromagnetic Field and Applying Energy to the Magnetic Recording Layer
Predicting Operational Problems in a Hard-Disk Drive (Hdd)
Using an Atmospheric Pressure Sensor in a Hard-Disk Drive (Hdd)
Magnetic Disk Drive Slider Having a Trailing Edge Extended Rear Surface
Perpendicular Magnetic Recording System and Write Head with Transverse Auxiliary Pole for Fast Switching of Write Pole Magnetization
Three-Dimensional Magnetic Memory
Tunneling Magnetoresistive (Tmr) Device with Improved Ferromagnetic Underlayer for Mgo Tunneling Barrier Layer
Asymmetric Writer for Shingled Magnetic Recording
Magnetic Reproducing Element Using Anomalous Hall Effect and Magnetic Head Using the Same
Electrically Conductive Spacer and Disk Drive Including the Electrically Conductive Spacer
Disk Drive and Method for Measuring Clearance Change in the Disk Drive
Method for Manufacturing Thin Film Magnetic Heads
Magnetic Recording Head, Method of Manufacturing the Same, and Magnetic Recording/Reproducing Device
Perpendicular Magnetic Recording Medium
Labeling an Imprint Lithography Template
Disk Drive and Method for Adjusting Common-Mode Voltage of an Element on a Head-Slider
Head Servo Control System and Head Servo Control Method
Quantum Well Graphene Structure
Tunnel Junction Type Magneto-Resistive Head
Head-Gimbal Assembly Including a Transmission-Line Structure for High-Density Magnetic Recording
Hall Effect Magnetic Field Sensor
Current-Perpendicular-To-The-Plane (Cpp) Magnetoresistive Read Head with Multiple Sensing Elements for Patterned-Media
System, Method and Apparatus for Determining Track Pitch in a Hard Disk Drive to Satisfy the Requirements of Both Off-Track Capacity and Adjacent Track Erasure
System, Method and Apparatus for Manufacturing Magnetic Recording Media
Apparatus for Cleaning Magnetic Disks and Methods for Manufacturing Magnetic Disks
Slanted Bump Design for Magnetic Shields in Perpendicular Write Heads and Method of Making Same
Magnetic Write Heads for Hard Disk Drives and Method of Forming Same
Application:
12/569,962 →
Publication:
US 2011/0075299
Trailing Plated Step
Energy-Assisted Magnetic-Recording Head Having a Magnetic-Recording Assistance Element Disposed to Lower Magnetic-Recording Field for Reversing Magnetization in a Magnetic-Recording Disk.
Apparatus for Interconnecting Connection Pads of a Head-Gimbal Assembly and Manufacturing Method for the Head-Gimbal Assembly
Patterned Perpendicular Magnetic Recording Medium with Data Islands Having a Flux Channeling Layer Below the Recording Layer
Suspension for Protecting a Component from Mechanical Shock
Magnetic Read Head
Integrated Upstream Spoiler and Particle Filter in a Hard-Disk Drive (Hdd)
Process for Fabricating Ultra-Narrow Dimension Magnetic Sensor
Magnetoresistive Sensor Employing Nitrogenated Cu/Ag Under-Layers with (100) Textured Growth as Templates for Cofe, Cofex, and CO2(Mnfe)X Alloys
Tunneling Magnetoresistance Read Sensor with Dual Sense Layers
Integrated half coil structure for write assist of high coercivity media
Signaling method and apparatus for write assist of high coercivity media using integrated half coil
Related Assignments
(5)
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 →
Patent Collateral Agreement - Ddtl Loan Agreement
Aug 21, 2023
From: WESTERN DIGITAL TECHNOLOGIES, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 067045/0156 →
Patent Collateral Agreement - a&R Loan Agreement
Aug 21, 2023
From: WESTERN DIGITAL TECHNOLOGIES, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 064715/0001 →