IP Library › Assignment 021502/0451
Patent Assignment
Reel/Frame 021502/0451

Release of Security Interest

Recorded: 2008-09-09 Received: 2008-09-09 Pages: 53
Assignor
Assignee
WESTERN DIGITAL TECHNOLOGIES, INC.
20511 LAKE FOREST DRIVE, LAKE FOREST, CA, 92630, UNITED STATES
Covered Properties (100)
Disk Drive Including an Actuator Coil with Side Segments Equally Overlapping Inner and Outer Magnet Sets
Application: 10/355,515 →
Cleating Features to Improve Adhesive Interface Between a Bobbin and a Coil of an Actuator Coil Portion of a Hard Disk Drive
Application: 10/355,834 →
Disk Drive Including a Pair of Actuator Coils Each with a Radial Segment Generally Perpendicular to Inner and Outer Segments and Overlapping with Inner and Outer Magnets
Application: 10/355,501 →
Disk Drive Comprising a Plastic Molded Crash Stop with Embedded Magnet for Latching an Actuator Arm
Application: 10/355,318 →
Disk Drive Executing a Manufacturing Program Internally by Executing Disk Commands Through a Vector
Application: 10/329,161 →
System and Method for Processing Track Identification Data in a Disk Drive
Application: 10/329,157 →
Disk Drive and Method for Improved Disk Rotation Control
Application: 10/329,163 →
Disk Drive Executing a Preemptive Multitasking Operating System Comprising Tasks of Varying Priority
Application: 10/329,167 →
Disk Drive Employing a Configuration Data Structure Comprising a Plurality of Configuration Parameters to Facilitate Disk Commands
Application: 10/329,155 →
Disk Drive Executing Part of a Linked Disk Command
Application: 10/329,166 →
Disk Drive Employing a Disk Command Data Structure for Tracking a Write Verify Status of a Write Command
Application: 10/329,152 →
Head Stack Load Comb for Controlled Head Loading
Application: 10/329,156 →
External Disk Drive Compatible with a Serial Advanced Technology Attachment (Sata) Standard Including a Sata Compatible Shielded Cable Capable of Receiving Power Signals from a Host
Application: 10/329,160 →
Disk Drive Having a Ramp Used for the Controlled Loading of a Head of a Head Stack Assembly Onto a Disk
Application: 10/329,109 →
Disk Drive Comprising Depletion Mode Mosfets for Protecting a Head from Electrostatic Discharge
Application: 10/329,197 →
Disk Drive Comprising a Spindle Motor Having a Windings Shield for Reduced Disk Voltage Coupling
Application: 10/329,127 →
Disk Drive Including an Airflow Blocker with a Planar Portion Extending from a Blocker Arm Portion
Application: 10/328,609 →
Disk Drive Including a Base Assembly Having a Flex-to-Board Edge Connector
Application: 10/328,586 →
Air Bearing Slider Including Pressurized Side Pads with Forward and Trailing Shallow Etched Surfaces
Application: 10/328,610 →
Head Stack and Actuator Arm Assemblies and Disk Drives Having an Actuator Including an Actuator Arm Spacer to Increase Actuator and Suspension Stiffness and to Reduce the Number of Actuator Arm Resonance Modes
Application: 10/306,984 →
Disk Drive Reading Servo Sectors Recorded at a Relative Offset on Multiple Disk Surfaces to Increase the Servo Sample Rate
Application: 10/307,068 →
Disk Drive Actuator Arm Assembly Having One or More Slotted Actuator Arms
Application: 10/306,978 →
Head Stack Assembly Including Laminated Nut Plate with Damping Layer Interposed Between Metal Layers
Application: 10/306,974 →
Apparatus for Securing a Cable Assembly Within an Enclosed Electronic System
Application: 10/307,271 →
Method and Apparatus for Balancing a Rotary Actuator by Modifying Weight Distribution Characteristics of the Rotary Actuator for Locating an Installed Head Stack Assembly Portion Center-of-Gravity Along a Pivot Axis
Application: 10/295,731 →
Robust Serial Advanced Technology Attachment (Sata) Pcb Connector
Application: 10/295,665 →
Robust Serial Advanced Technology Attachment (Sata) Cable Connector
Application: 10/295,815 →
Storage Peripheral Having a Robust Serial Advanced Technology Attachment (Sata) Pcb Connector
Application: 10/295,135 →
Spindle Motor Having Spindle Motor Stator with Laminate Layers for Increased Head Stack Assembly Access
Application: 10/298,096 →
Disk Drive Actuator Arm Assembly Having a Portion of the Arm at a Greater Distance from a Disk Recording Surface Than the Arm Tip Portion
Application: 10/286,126 →
Esd-Protected Head Gimbal Assembly for Use in a Disk Drive
Application: 10/286,170 →
Disk Drive Pre-Computing Seek Parameters for a Continuation Track and a Next Command to Facilitate Continuing a Read-Ahead or Aborting the Read-Ahead
Application: 10/286,682 →
Method of Making Disk Drives Using a Frame Array with a Plurality of Disk Drive Base Portions
Application: 10/286,659 →
Disk Drive Employing a Multi-Phase Rotational Position Optimization (Rpo) Algorithm
Application: 10/286,127 →
Methods and Systems for Asynchronously Testing a Plurality of Disk Drives
Application: 10/286,146 →
Disk Drive Comprising a Notched Disk Clamp for Improved Disk Balance
Application: 10/286,238 →
Disk Drive Including Surface Coated Disk Clamp Screws with Reduced Coefficient of Friction for Mitigating Disk Clamp Movement
Application: 10/286,147 →
Method and Devices for Providing Magnetoresistive Heads with Protection from Electrostatic Discharge and Electric Overstress Events
Application: 10/286,144 →
Disk Drive Allocating Cache Segments by Mapping Bits of a Command Size into Corresponding Segment Pools
Application: 10/280,747 →
Method and Apparatus for Self Servowriting of Tracks of a Disk Drive Using a Servo Control Loop Having a Two-Dimensional Digital State Compensator
Application: 10/280,603 →
Reduced Bit Number Wedge Identification Techniques Within a Rotating Media Storage Device
Application: 10/280,684 →
Disk Drive Maintaining a Cache Link Attribute for Each of a Plurality of Allocation States
Application: 10/262,492 →
Method for Recursively Determining Repeatable Runout Cancellation Values in a Magnetic Disk Drive
Application: 10/262,482 →
Disk Drive Employing a Non-Volatile Serial Semiconductor Memory for Storing a Control Program for a Microprocessor
Application: 10/261,565 →
Disk Drive Including Pivot-Bearing Cartridge Tolerance Ring Having a Damping Layer for Actuator Resonance Reduction
Application: 10/261,435 →
Disk Drive with Coil Spring Attaching Flex Bracket to Base
Application: 10/261,436 →
Disk Drive Adjusting Read-Ahead to Optimize Cache Memory Allocation
Application: 10/262,469 →
Disk Drive Having a Connection-Blocking Device for Use with a Serial Advanced Technology Attachment (Sata) Power Receptacle
Application: 10/261,437 →
Method of Balancing a Disk Pack Using Spindle Motor Imbalance and Disk Drive Including a Balanced Disk Pack
Application: 10/262,466 →
Disk Drive Employing Thresholds for Cache Memory Allocation
Application: 10/262,014 →
Disk Drive Including an Airflow Diverter Element Radially Between Spindle Motor Axis of Rotation and Cavity in Shroud Surface
Application: 10/262,253 →
Disk Drive with Improved Characterization Segment Pattern and Method of Recording the Same
Application: 10/262,484 →
Production Line Spindle Control Circuit Employing a Sinusoidal Driver with Back Emf Control
Application: 10/232,860 →
Method and Apparatus for Self Servowriting of Tracks of a Disk Drive Using an Observer Based on an Equivalent One-Dimensional State Model
Application: 10/232,640 →
Disk Drive Including a Filter Element Disposed Along a Disk Surface for Filtering Disk Rotation Induced Airflow
Application: 10/232,639 →
Disk Drive Using Dual Slope Integrator to Extract Velocity of an Actuator Arm from a Back Emf Voltage
Application: 10/232,916 →
Disk Drive and Method for Data Transfer Initiated by Nonstandard Disk-Drive Commands on a Serial Ata Interface That Only Supports Standard Ata Disk-Drive Commands
Application: 10/232,638 →
Disk Drive Enabling Simultaneous Assembly of Hsa and Disk Pack
Application: 10/232,867 →
Disk Drive Having a Head Disk Assembly Enclosure Including Insert Molded Components
Application: 10/232,641 →
Disk Drive Including a Rotary Actuator with Thermo-Conductive Coil Support Element and Coil
Application: 10/232,632 →
Serial Ata Disk Drive Having a Parallel Ata Test Interface and Method
Application: 10/209,804 →
Method of Operating a Disk Drive with a Slider at Loading and Unloading Fly Heights Greater Than an Operational Fly Height
Application: 10/209,763 →
Adaptively Estimating a Read Access Time to a Second Track Based Upon the Binned Radial Position of the Second Track Within a Rotating Media Storage Device
Application: 10/210,554 →
Decreasing Spin Up Time in a Disk Drive by Adjusting a Duty Cycle of a Spindle Motor Pwm Signal to Maintain Constant Average Input Current
Application: 10/210,399 →
Disk Drive Unlatching an Actuator Arm at a First Spindle Speed During a First Spin-Up Mode and a Second Spindle Speed During a Second Spin-Up Mode
Application: 10/209,705 →
Spindle motor including magnetic element for pre-loading a ball bearing set
Application: 10/209,722 →
Disk Drive Comprising Control Circuitry Powered by a Secondary Voltage Supplied by a Center Tap of a Spindle Motor During a Normal Operating Mode
Application: 10/209,734 →
Adaptively modifying pre-read operations within a rotating media storage device
Application: 10/209,825 →
Disk Drive Having a Low Inertia and Narrow Angle Coil
Application: 10/209,828 →
Disk Drive Comprising a Multi-Phase Spindle Motor Having a Center Tap Connectable to a Secondary Supply Voltage
Application: 10/210,396 →
Method of Assembling a Disk Drive by Electrically Grounding a Disk Drive Cover
Application: 10/184,610 →
Back Emf Voltage Transducer/Generator to Convert Mechanical Energy to Electrical Energy for Use in Small Disk Drives
Application: 10/185,932 →
Repeatable Runout Determination Within a Rotating Media Storage Device
Application: 10/185,983 →
Methods, Systems and Devices for Converting the Kinetic Energy of a Rotating Disk Drive Spindle Motor into Electrical Energy to Charge a Rechargeable Battery
Application: 10/184,738 →
Method of Modifying on-Track Declaration Algorithm of a Disk Drive Based Upon Detection of External Vibration Condition
Application: 10/185,970 →
Disk drive housing including housing body with leads extending to housing periphery
Application: 10/183,067 →
Disk Drive Having Cover Assembly Which Compresses a Foam Member Between Substantially Planar Rigid Members
Application: 10/183,208 →
Disk Drive and Method for Implementing Nonstandard Disk-Drive Commands on a Serial Ata Interface That Only Supports Standard Ata Disk-Drive Commands
Application: 10/183,207 →
Disk Drive Employing a Constant Contact Inertial Latch
Application: 10/160,317 →
System and Method for Processing Track Identifier Errors to Mitigate Head Instability in Data Storage Devices
Application: 10/160,954 →
Disk Drive Employing Off-Line Sector Verification and Relocation of Marginal Sectors Discovered During Read Error Recovery Procedure
Application: 10/160,955 →
Disk Drive Caching Initial Host Requested Data in Non-Volatile Semiconductor Memory to Reduce Start-Up Time of a Host Computer
Application: 10/160,682 →
Adaptively Modifying a Read Caching Algorithm Based Upon the Detection of a Vibration State Within a Rotating Media Storage Device
Application: 10/160,752 →
Dependently Adjusting at Least Three Operating Levels of a Disk Drive by Dependently Adjusting a Plurality of Disk Drive Parameters
Application: 10/138,070 →
Disk Drive for Optimizing Write Current Settings Relative to Drive Operating Characteristics and Ambient Temperature Readings
Application: 10/136,760 →
Aerodynamic Base Design for Tmr Reduction
Application: 10/137,228 →
Air Bearing Slider with an Angularly Disposed Channel Formed Between a Side Rail and a Leading Side Air Bearing Surface
Application: 10/137,477 →
Methods for Reducing Costs and Increasing Throughput in the Manufacture of Disk Drives by Categorizing the Disk Drives Based Upon Measured Disk Pack Imbalance
Application: 10/136,716 →
Split Vcm Actuator
Application: 10/137,227 →
Disk Drive Having Guide-Vanes
Application: 10/137,481 →
Disk Drive Having a Sector Clock That Is Synchronized to the Angular Speed of the Spindle Motor
Application: 10/125,131 →
Method for Determining Repeatable Runout Cancellation Values in a Magnetic Disk Drive Using Filtering
Application: 10/125,007 →
Disk Drive for Dynamically Allocating Memory Accessed Concurrently by a Host Interface and a Disk Interface to Facilitate Large Host Commands
Application: 10/123,967 →
Using an External Spiral Servo Writer to Write Spiral Reference Patterns to a Disk to Facilitate Writing Product Servo Bursts to the Disk
Application: 10/112,282 →
Disk Drive Comprising Asynchronous/Synchronous Gain Control for Fault Tolerant Detection of Servo Sync Mark After Head Switch
Application: 10/112,197 →
Reduced Acoustics Treatment Spindle Motor for a Disk Drive
Application: 10/112,414 →
Airflow Spoiler Between Co-Rotating Disks
Application: 10/112,304 →
Method for Adjusting a Delay Time for Opening a Servo Sector Detection Window in a Disk Drive Having a Spiral Track
Application: 10/112,333 →
Method for Seeking in a Magnetic Disk Drive Having a Spiral Track
Application: 10/112,434 →
Disk Drive Base Design for Modifying Airflow Generated from Rotation of Disk
Application: 10/112,336 →