Inventor

MAAT STEFAN

US87 patents

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

MAAT STEFAN

HITACHI GLOBAL STORAGE TECH

Heat assisted switching in an MRAM cell utilizing the antiferromagnetic to ferromagnetic transition in FeRh

Magnetoresistive sensor having a magnetically stable free layer with a positive magnetostriction

Electrically resistive heating device for data storage systems

Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor with improved ferromagnetic free layer structure

Magnetic write head having a magnetically anisotropic write pole

Magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in a self biased free layer

Magnetoresistive sensor based on spin accumulation effect with free layer stabilized by in-stack orthogonal magnetic coupling

Narrow track extraordinary magneto resistive [EMR] device

Current-perpendicular-to-plane magnetoresistive sensor with free layer stabilized by in-stack orthogonal magnetic coupling

Magnetoresistive device with exchange-coupled structure having half-metallic ferromagnetic Heusler alloy in the pinned layer

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

Magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in a hard magnetic pinning layer

Lead contact structure for EMR elements

Magnetic head with improved CPP sensor using Heusler alloys

Multiple extraordinary magnetoresistive (EMR) sensor utilizing both current leads

Magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in a hard magnetic in-stack bias layer

Magnetic tunnel junction with in stack biasing layer providing orthogonal exchange coupling

Magnetically anisotropic shield for use in magnetic data recording

Method for manufacturing a magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in hard magnetic bias layers

Extraordinary magnetoresistance sensor with perpendicular magnetic biasing by an antiferromagnetic/ferromagnetic exchange-coupled structure

Current-perpendicular-to-plane magnetoresistive sensor with free layer stabilized by in-stack orthogonal magnetic coupling to an antiparallel pinned biasing layer

Current-perpendicular-to-plane-magnetoresistive sensor with free layer stabilized against vortex magnetic domains generated by the sense current

Planar extraordinary magnetoresistance sensor

Memory array having memory cells formed from metallic material

Magnetoresistive sensor having magnetic layers with tailored magnetic anisotropy induced by direct ion milling

Magnetic medium having a soft underlayer with a magnetic anisotropy

Magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in hard magnetic bias layers

Current-perpendicular-to-the-plane spin-valve (CPP-SV) sensor with current-confining apertures concentrated near the sensing edge

Method for manufacturing a magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in a hard magnetic pinning layer

Method for manufacturing a magnetic read sensor employing oblique etched underlayers for inducing uniaxial magnetic anisotropy in a hard magnetic in-stack bias layer

HGST Netherlands BV

Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor structure with multiple stacked sensors and improved center shield

Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor structure with multiple stacked sensors and center shield with CoFeB insertion layer

Scissor magnetic read head with wrap-around magnetic shield

Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor with exchange-coupled side shield structure

Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor with side shields and an antiparallel structure top shield

Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor having a top shield with an antiparallel structure

Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor with hard magnet biasing structure having a MgO insulating layer

Tunneling magnetoresistive (TMR) read head with low magnetic noise

Two-dimensional magnetic recording device with center shield stabilized by recessed AFM layer

Perpendicular magnetic recording write head with main pole formed on a metallic amorphous underlayer

IBM

Magnetic memory with tunnel junction memory cells and phase transition material for controlling current to the cells

Method for thermally-assisted recording on a magnetic recording disk

Magnetic devices with a ferromagnetic layer having perpendicular magnetic anisotropy and an antiferromagnetic layer for perpendicularly exchange biasing the ferromagnetic layer

CAREY MATTHEW J

Magnetic field sensing system using spin-torque diode effect

Scissoring-type current-perpendicular-to-the-plane giant magnetoresistance (CPP-GMR) sensors with damped free layer structures

ZELTSER ALEXANDER M

Perpendicular magnetic recording write head with antiparallel-coupled laminated main pole having a tapered trailing edge

Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor with improved hard magnet biasing structure

HITACHI GLOBAL STORAGE TECH NL

Method for making a scissoring-type current-perpendicular-to-the-plane (CPP) magnetoresistive sensor

FRANCA-NETO LUIZ M

Slider fly-height control in a hard disk drive

MAAT STEFAN

Current-perpendicular-to-the-plane (CPP) magnetoresistive read head with multiple sensing elements for patterned-media