IP Library › Assignment 008222/0215

Patent Assignment

Reel/Frame 008222/0215

Security Interest

Recorded: 1996-08-19 Pages: 29

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Assignor

QUANTUM CORPORATION

Executed: 1996-10-03

Assignee

CANADIAN IMPERIAL BANK OF COMMERCE

7TH FLOOR, 425 LEXINGTON AVENUE, NEW YORK, NEW YORK, 10017

Covered Properties (141)

Addressing Technique for a Fault Tolerant Block-Structured Storage Device

Patent: 5,392,288 →

Application: 07/652,870 →

Fixed Disk Drive Mounted to Printed Circuit Board

Patent: 5,379,439 →

Application: 07/782,376 →

Cross-Checking for on-the-Fly Reed Solomon Error Correction Code

Patent: 5,422,895 →

Application: 07/820,283 →

Remote Fine Positioning Mechanism

Patent: 5,504,731 →

Application: 07/847,113 →

System for Enhanced Implementation of Add-Compare-Select (Acs) Functions

Patent: 5,377,133 →

Application: 07/866,996 →

Method and Apparatus for Runout Correction Due to Disk Slip or Spindleimbalance

Patent: 5,402,280 →

Application: 07/880,929 →

Hard Disk Drive Architecture

Patent: 5,396,384 →

Application: 07/881,678 →

Disk Drive System Including a Dram Array and Associated Method for Programming Intial Information into the Array

Patent: 5,517,634 →

Application: 07/903,001 →

Error Correction System with Selectable Error Correction Capabilities

Patent: 5,379,305 →

Application: 07/918,208 →

Multi-Mode Gain Control Loop for Prml Class Iv Sampling Data Detection Channel

Patent: 5,375,145 →

Application: 07/936,742 →

Adaptation and Training of Digital Finite Impulse Response Filter Within Prml Class Iv Sampling Data Detection Channel

Patent: 5,381,359 →

Application: 07/936,761 →

Method of Making a Magnetic Medium for Longitudinal Recording

Patent: 5,431,969 →

Application: 07/945,706 →

Error Detection Encoding System

Patent: 5,359,610 →

Application: 07/967,958 →

Perpendicular Anisotropy in Thin Film Devices

Patent: 5,384,680 →

Application: 08/017,998 →

Double-Sided Optical Media for a Disk Storage Device

Patent: 5,470,627 →

Application: 08/020,515 →

Lapping Fixture for Disk Sliders

Patent: 5,468,177 →

Application: 08/023,274 →

Method of Making a Thin Film Magnetic Head Having Multi-Layer Coils

Patent: 5,448,822 →

Application: 08/029,125 →

Masterless Synchronized Spindle Control for Hard Disk Drives

Patent: 5,416,648 →

Application: 08/036,823 →

Synchronization of Multiple Disk Drive Spindles

Patent: 5,438,464 →

Application: 08/054,652 →

Phase Locking a Disk Drive Spindle to a Reference Signal

Patent: 5,448,428 →

Application: 08/054,657 →

Shared Memory Array for Data Block and Control Program Storage in Disk Drive

Patent: 5,465,343 →

Application: 08/056,428 →

Band Limited Control of a Flexible Structure Using Piecewise Trigonometric Input Signals

Patent: 5,465,035 →

Application: 08/060,388 →

Synchronization to Different Fields in a Storage Device

Patent: 5,365,382 →

Application: 08/064,286 →

Method and Apparatus for Writing or Reading Servo Information

Patent: 5,375,020 →

Application: 08/077,711 →

Lens/Mirror Tower for an Optical Storage Device

Patent: 5,452,283 →

Application: 08/079,484 →

System and Method for Verifying the Integrity of Data Written to a Memory

Patent: 5,428,630 →

Application: 08/086,528 →

Miniature Disk Drive Having Embedded Sector Servo with Split Data Fields and Automatic on-the-Fly Data Block Sequencing

Patent: 5,517,631 →

Application: 08/086,824 →

Removable Disk Cartridge for Use with a Rotary Actuated Disk Drive

Patent: 5,381,402 →

Application: 08/088,933 →

Electrical Access for Electrical Lapping Guides

Patent: 5,494,473 →

Application: 08/089,141 →

Averaging Zero Phase Start for Phase Locked Loops

Patent: 5,452,325 →

Application: 08/090,378 →

Rotating Tape Edge Guide

Patent: 5,414,585 →

Application: 08/094,272 →

Magnetic Tape Head

Patent: 5,426,551 →

Application: 08/094,413 →

Brushless Dc Spindle Motor Startup Control

Patent: 5,530,326 →

Application: 08/094,484 →

Weighted Average Servo Burst Peak Detector for Disk Drive Read Channel

Patent: 5,362,993 →

Application: 08/119,748 →

Solid State Disk Drive Unit Having on-Board Backup Non-Volatile Memory

Patent: 5,535,399 →

Application: 08/130,047 →

Device for Component Processing

Patent: 5,361,914 →

Application: 08/131,836 →

Thin-Film Magnetic Transducer with Multiple Yoke-Coil Interactions and Elongated Lateral Yoke Vias

Patent: 5,418,668 →

Application: 08/132,016 →

Wedged Reels in Streaming Tape Drives and Tape Cartridges

Patent: 5,474,253 →

Application: 08/135,098 →

Magnetic Data Storage Disk Drive with Data Block Sequencing by Using Id Fields After Embedded Servo Sectors

Patent: 5,475,540 →

Application: 08/137,807 →

Method of Making a Transducer with Improved Inductive Coupling

Patent: 5,428,893 →

Application: 08/145,469 →

Head Actuator Having Spring Loaded Split Nut

Patent: 5,448,438 →

Application: 08/149,583 →

Scalable Method of Fabricating Thin-Film Sliders

Patent: 5,406,694 →

Application: 08/157,806 →

Address Error Detection Technique for Increasing the Reliability of a Storage Subsystem

Patent: 5,392,302 →

Application: 08/163,397 →

Double Unequal Bus Timeout

Patent: 5,454,111 →

Application: 08/170,846 →

Prml Sampled Data Channel Synchronous Servo Detector

Patent: 5,384,671 →

Application: 08/174,895 →

Servo Data Recovery Circuit for Disk Drive Having Digital Embedded Sector Servo

Patent: 5,420,730 →

Application: 08/180,096 →

Method of Making a Transducer with Improved Inductive Coupling

Patent: 5,428,887 →

Application: 08/181,582 →

Flexible Vane Latch Apparatus for a Disk Drive

Patent: 5,452,161 →

Application: 08/184,825 →

Active Disturbance Compensation System for Disk Drives

Patent: 5,426,545 →

Application: 08/191,758 →

Disk Drive Using Prml Synchronous Sampling Data Detection and Asychronous Detection of Embedded Sector Servo

Patent: 5,345,342 →

Application: 08/192,146 →

Flexible Preamplifier Integrated Circuit Assemblies and Method

Patent: 5,499,161 →

Application: 08/198,871 →

Low Cost Permanent Magnet Disk Spindle Motor

Patent: 5,506,458 →

Application: 08/206,596 →

Integrated Hydrodynamic Bearing/Motor Assembly

Patent: 5,448,120 →

Application: 08/209,691 →

Solid State Disk Memory Using Storage Devices with Defects

Patent: 5,459,742 →

Application: 08/212,334 →

A Process of Assembling a Disk Drive Minimum Spacing Between Disks

Patent: 5,471,733 →

Application: 08/212,371 →

Servo Method and Apparatus for Very High Track Density Magnetic Recording by Adjusting Head Position Based on Servo Information Read from Adjacent Track

Patent: 5,371,638 →

Application: 08/222,491 →

Method and Apparatus for Attaching Metallic and Ceramic Materials

Patent: 5,444,587 →

Application: 08/240,545 →

Variable-Slope Driver for Pullup-Terminated Transmission Lines

Patent: 5,497,113 →

Application: 08/242,769 →

Method for Characterizing and Controlling in-Plane Stiffness of Load Beam Within Head-Gimbal Assembly of a Hard Disk Drive

Patent: 5,471,734 →

Application: 08/249,525 →

Glitchless Frequency-Adjustable Ring Oscillator

Patent: 5,471,176 →

Application: 08/255,162 →

Robust Active Damping Control System

Patent: 5,459,383 →

Application: 08/259,361 →

Magneto Resistive Head Having Symmetric Off-Track Performance Profile

Patent: 5,483,402 →

Application: 08/259,795 →

Robust and Redundant Physical Block Identification Scheme for Data Storage Devices

Patent: 5,521,929 →

Application: 08/261,372 →

Actuator Retraction Circuit

Patent: 5,495,156 →

Application: 08/265,482 →

Linear Tape Write Servo Using Embedded Azimuth Servo Blocks

Patent: 5,523,904 →

Application: 08/265,529 →

Damping Configuration for Improved Disk Drive Performance

Patent: 5,483,397 →

Application: 08/267,058 →

Real-Time Dc Offset Control and Associated Method

Patent: 5,459,679 →

Application: 08/276,817 →

Active Electromagnetic Latch Having No Moving Parts for File Actutor

Patent: 5,452,162 →

Application: 08/278,700 →

Self-Replenishing Hydrodynamic Bearing

Patent: 5,407,281 →

Application: 08/278,805 →

Disk Drive Method Using Zoned Data Recording and Prml Dampling Data Detection with Digital Adaptive Equalization

Patent: 5,422,760 →

Application: 08/291,957 →

Flex Circuit Vibration Sensor

Patent: 5,526,208 →

Application: 08/291,986 →

Cleaning Apparatus for Heads of Data Storage Disks

Patent: 5,467,238 →

Application: 08/293,106 →

Tape Head with Self-Regulating Wear Regions

Patent: 5,475,553 →

Application: 08/305,117 →

Hydrodynamic Bearing and Seal

Patent: 5,423,612 →

Application: 08/308,078 →

Write Precompensation Optimization in a Prml Channel Using a Selected Prml Signal Level

Patent: 5,493,454 →

Application: 08/317,902 →

Fault Tolerant Servo Address Mark for Disk Drive

Patent: 5,544,135 →

Application: 08/321,307 →

Disk Drive Having on-Board Triggered Digital Sampling Analyzer

Patent: 5,444,583 →

Application: 08/327,443 →

Ball Spindle for Reduced Friction Rotary Acutuator in Disk Drive

Patent: 5,510,940 →

Application: 08/339,584 →

Air Guide for an Aerodynamic Actuator Latch Within a Disk Drive

Patent: 5,541,791 →

Application: 08/341,685 →

Event Driven Power Reducing Software State Machine

Patent: 5,469,553 →

Application: 08/357,778 →

Method and Apparatus for Protecting Data from Mis-Synchronization Errors

Patent: 5,528,607 →

Application: 08/383,201 →

Hydrodynamic Bearing Having Inverted Surface Tension Seals

Patent: 5,533,811 →

Application: 08/388,380 →

Magnetoresistive Device and Method Having Improved Barkhausen Noise Suppression

Patent: 5,485,334 →

Application: 08/392,393 →

Optimized Equalizer System for Data Recovery and Timing Extraction in Partial Response Read Channels

Patent: 5,521,767 →

Application: 08/406,834 →

Cleaning Apparatus for Heads of Data Storage Disks

Patent: 5,486,970 →

Application: 08/408,415 →

System for Optimizing Data Transfer

Patent: 5,513,326 →

Application: 08/434,797 →

Method for Mapping Thermal Asperities of a Magnetic Recording Surface in Data Storage Device

Patent: 5,537,034 →

Application: 08/444,533 →

Soft Adjacent Layer Biased Magnetoresistive Device Incorporating a Natural Flux Closure Design Utilizing Coplanar Permanent Magnet Thin Film Stabilization

Patent: 5,532,892 →

Application: 08/461,874 →

Apparatus and Method for Fabricating a Deflection Mirror Tower

Patent: 5,532,884 →

Application: 08/479,347 →

Method and Apparatus for Applying Lubricant to a Hydrodynamic Bearing

Patent: 5,524,728 →

Application: 08/495,822 →

Reduced Complexity EPR4 Post-Processor for Sampled Data Detection

Patent: 5,521,945 →

Application: 08/497,520 →

"Acton" Load Beam for a Winchester Disk Drive

Patent: 5,543,985 →

Application: 08/510,432 →

Shock Resistant Bearing

Patent: 5,540,504 →

Application: 08/524,716 →

Oral Drug Delivery Compositions and Methods

Patent: 5,766,633 →

Application: 08/537,888 →

Data Integrity and Cross-Check Code with Logical Block Address

Patent: 5,805,799 →

Application: 08/566,361 →

Flex Circuit Flexure with Integral High Compliance Gimbal

Patent: 6,313,972 →

Application: 08/567,403 →

A Load Beam Having Tuned Resonance Mode Performance for Supporting a Read/Write Head

Patent: 5,657,187 →

Application: 08/567,622 →

Magnetoresistive Device Incorporating Conductor Geometry Providing Substantially Uniform Current Flow for Improved Magnetic Stability

Patent: 5,847,904 →

Application: 08/569,674 →

Method for Forming Re-Entrant Photoresist Lift-Off Profile for Thin Film Device Processing and a Thin Film Device Made Thereby

Patent: 5,658,469 →

Application: 08/570,487 →

Method and Apparatus for Lapping Sliders

Patent: 5,591,073 →

Application: 08/571,660 →

System for Self-Servowriting a Disk Drive

Patent: 5,668,679 →

Application: 08/576,182 →

System and Method for Determining the Cube Root of an Element of a Galois Field Gf(2 )

Patent: 5,761,102 →

Application: 08/580,294 →

System for Correction of Three and Four Errors

Patent: 5,710,782 →

Application: 08/580,351 →

Automated Gram Load Testing System for a Head Stack Assembly

Patent: 5,637,807 →

Application: 08/584,510 →

Adaptive Compression Caching for Tape Recording

Patent: 5,671,389 →

Application: 08/584,598 →

Randomly Ordered Data Block Envelope Tape Format

Patent: 5,841,600 →

Application: 08/584,652 →

Multi-Channel Magnetic Tape Head Module Including Flex Circuit

Patent: 5,862,014 →

Application: 08/587,425 →

Low Profile Disk Drive Architecture with in-Line Circuit Board and Flex Circuit Pressure Pin Connector

Application: 08/588,641 →

Switch Mode Sine Wave Driver for Polyphase Brushless Permanent Magnet Motor

Patent: 5,798,623 →

Application: 08/598,584 →

Method of Attaching and Electrically Interconnecting a Read/Write Head to a Flexure

Application: 08/607,026 →

Glide Head with Thin-Film Piezoelectric Transducer

Application: 08/607,505 →

In Drive Correction of Servo Pattern Errors

Patent: 5,793,559 →

Application: 08/607,507 →

Suspension with Integrated Conductor Having Controlled Capacitance

Application: 08/621,431 →

Actuator Apparatus with Plastic C-Block

Patent: 5,621,590 →

Application: 08/621,433 →

Hydrodynamic Bearing Having Lubricant Particle Traps

Patent: 5,839,833 →

Application: 08/622,644 →

Method and Apparatus for Applying Lubricant to a Hydrodynamic Bearing

Patent: 5,575,355 →

Application: 08/626,880 →

Hydrodynamic Bearing Unit

Patent: 5,876,124 →

Application: 08/638,025 →

Altitude Insensitive Negative Pressure Slider for a Disk Drive

Application: 08/638,633 →

Pwm/Linear Driver for Disk Drive Voice Coil Actuator

Patent: 5,838,515 →

Application: 08/640,272 →

Method and Apparatus for Spectral Analysis in a Disk Recording System

Patent: 5,784,296 →

Application: 08/640,416 →

System for Determining Lead Time Latency as Function of Head Switch, Seek, and Rotational Latencies and Utilizing Embedded Disk Drive Controller for Command Queue Reordering

Patent: 5,729,718 →

Application: 08/641,662 →

Rotated Counter Bit Pulse Width Modulated Digital-to-Analog Converter

Patent: 5,764,165 →

Application: 08/642,754 →

Position Feedback System for Volume Holographic Storage Media

Patent: 5,777,760 →

Application: 08/644,810 →

Counter Balanced Rotary Airlock Actuator Latch Assembly for Disk Drive

Patent: 5,668,683 →

Application: 08/646,410 →

Air Actuated Latching Mechanism Rotationally Resistant to Rotational Shock Force