Inventor

GURNEY BRUCE ALVIN

US53 patents

⚠️ This page may combine multiple inventors who share the name “GURNEY BRUCE ALVIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GURNEY BRUCE ALVIN

IBM

Magnetic recording media with antiferromagnetically coupled ferromagnetic films as the recording layer

Magnetic sensors having antiferromagnetically exchange-coupled layers for longitudinal biasing

Heterogeneous spacers for CPP GMR stacks

Spin valve magnetoresistive sensor with antiparallel pinned layer and improved exchange bias layer, and magnetic recording system using the sensor

System for resetting sensor magnetization in a spin valve magnetoresistive sensor

Atomic force microscope system with cantilever having unbiased spin valve magnetoresistive strain gauge

Ion beam definition of magnetoresistive field sensors

Magnetic sensors having an antiferromagnetic layer exchange-coupled to a free layer

Magneto-resistive and spin-valve sensor gap with reduced thickness and high thermal conductivity

High resistivity films for AP layers in spin valves

Spin valves with co-ferrite pinning layer

Ion beam definition of magnetoresistive field sensors

Method for making a magnetoresistive sensor having a cobalt-ferrite pinning layer

HITACHI GLOBAL STORAGE TECH

Positioning of a magnetic head in a magnetic data recording device using a multiple sensor array

Narrow track extraordinary magneto resistive [EMR] device

Stability-enhancing underlayer for exchange-coupled magnetic structures, magnetoresistive sensors, and magnetic disk drive systems

Integrated servo and read EMR sensor

Multiple extraordinary magnetoresistive (EMR) sensor utilizing both current leads

Narrow track extraordinary magneto resistive [EMR] Device with wide voltage tabs

Stability-enhancing underlayer for exchange-coupled magnetic structures, magnetoresistive sensors, and magnetic disk drive systems

Narrow track extraordinary magneto resistive [EMR] device with wide voltage tabs and diad lead structure

Method for recording magnetic transitions on recording layer having antiferromagnetically coupled ferromagnetic films

Magnetic head having a hall effect sensor and circuit for detecting recorded bits from magnetic recording media

Exchange-coupled magnetoresistive sensor with a coercive ferrite layer and an oxide underlayer having a spinal lattice structure

HGST Netherlands BV

Spin-torque oscillator (STO) with antiparallel-coupled free ferromagnetic layers and magnetic damping

Thermagnonic spin-torque oscillator(STO) and sensor utilizing same to detect shifts in the free layer magnetization oscillation frequency

Perpendicular magnetic recording disk with patterned servo regions and templated growth method for making the disk

Disk drive with filter compensation integrated in sliders for high-bandwidth read sensors

Perpendicular magnetic recording disk with template layer formed of a blend of nanoparticles

Perpendicular magnetic recording disk with template layer formed of nanoparticles embedded in a polymer material

Method for making a perpendicular magnetic recording disk with template layer formed of nanoparticles embedded in a polymer material

BRAGANCA PATRICK MESQUITA

Spin-torque oscillator (STO) with magnetically damped free layer

Three-terminal spin-torque oscillator (STO)

Implementing spin-torque oscillator sensing with enhanced demodulator for hard disk drives

Implementing spin-torque oscillator sensing with enhanced delay control feedback circuit for hard disk drives

Spin torque oscillator sensor

Implementing spin-torque oscillator sensing with enhanced integrated demodulator for hard disk drives

GURNEY BRUCE ALVIN

Magnetic field sensor with graphene sense layer and ferromagnetic biasing layer below the sense layer

Device for generating high frequency magnetic fields in a rest-frame of a magnetic medium

Magnetoresistive sensor having a quantum well structure and a P-doped trapping layer to prevent surface charge carriers from migrating to the quantum well structure

Magnetoresistive sensor having quantum well structure and a trapping layer for preventing charge carrier migration

HITACHI GLOBAL STORAGE TECH NL

Extraordinary magnetoresistive (EMR) device with novel lead structure

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

Enhanced magnetoresistance and localized sensitivity by gating in lorentz magnetoresistors

Integrated servo and read EMR sensor

ALBRECHT THOMAS ROBERT

Magnetoresistive sensor having a structure for activating and deactivating electrostatic discharge prevention circuitry

Magnetoresistive sensor having a structure for activating and deactivating electrostatic discharge prevention circuitry

BOONE JR THOMAS DUDLEY

Three-terminal design for spin accumulation magnetic sensor

Method for manufacturing an extraordinary magnetoresistive (EMR) device with novel lead structure

FONTANA JR ROBERT E

Slider with integrated writer and semiconductor heterostucture read sensor