Inventor

FONTANA JR ROBERT E

US90 patents

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

FONTANA JR ROBERT E

IBM

CPP magnetoresistive sensors with in-stack longitudinal biasing and overlapping magnetic shield

Bridge circuit magnetic field sensor having spin valve magnetoresistive elements formed on common substrate

Current biased magnetoresistive spin valve sensor

Magnetic recording apparatus having circuits with differing tunnel valve sensors and about the same resistance

Current perpendicular-to-plane sensors having hard spacers

Tunnel magnetoresistive sensor having stabilized magnetic shield and dielectric gap sensor

Magnetic read head having a CPP MR sensor electrically isolated from a top shield

Current-in-plane magnetoresistive sensor with longitudinal biasing layer having a nonmagnetic oxide central region and method for fabrication of the sensor

Inductive magnetic recording head with impedance matching elements

Method of making integral transducer-suspension assemblies for longitudinal recording

Magnetic recording head with integrated magnetoresistive element and open yoke

Method for making a magnetoresistive read transducer

In-stack longitudinal bias structure for CIP spin valve sensors with bias layer electrically insulated from free layer

Combination inductive write head and magnetoresistive (MR) read head with improved topography

Microfabricated rotary motion wobble motor and disk drive incorporating it

Device for thermally enhanced ultrasonic bonding with localized heat pulses

Magnetic recording module having tunnel valve sensors with dissimilar tunnel barrier resistivities

Magnetic recording module having differing tunnel valve sensors

Current perpendicular-to-plane sensors having hard spacers

Stabilizing layered structure for magnetic tape heads

Tunnel magnetoresistive sensor having leads supporting three-dimensional current flow

Current perpendicular-to-plane sensors having hard spacers

Planar inductors with closed magnetic loops

TMR head design with insulative layers for shorting mitigation

Method of manufacturing a current-perpendicular-to-plane magnetoresistive device with oxidized free layer side regions

Write transducers having high moment layer

Magnetic recording apparatus having circuits with differing tunnel valve sensors and about the same resistance

Write transducers having high moment layer

Magnetic recording apparatus having circuits with differing tunnel valve sensors and about the same resistance

HITACHI GLOBAL STORAGE TECH

Magnetic tunnel junction device with bottom free layer and improved underlayer

Read sensor having an in-stack biasing structure and an AP coupled free layer structure for increased magnetic stability

Planar perpendicular recording head

Magnetic head having thermally assisted write head with heater element, and protective sacrificial layer

Thermally assisted recording head with magnetic pole integrated into optical aperture for dual gradient recording

Narrow track extraordinary magneto resistive [EMR] device

Lead contact structure for EMR elements

Three-dimensional magnetic memory having bits transferrable between storage layers

Self-pinned read sensor design with enhanced lead stabilizing mechanism

Magnetic recording disk drive having read head with high cross-track resolution and disk with low bit-aspect-ratio

Planar extraordinary magnetoresistance sensor

Memory array having memory cells formed from metallic material

Three-dimensional magnetic memory

Method for fabricating a magnetic head including a media heating element

Spin valve transistor with stabilization and method for producing the same

FONTANA JR ROBERT E

Inductor with laminated yoke

Thin film inductor with integrated gaps

Inductor with stacked conductors

ALBRECHT THOMAS ROBERT

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

BALAMANE HAMID

CPP sensors with hard bias structures that shunt sense current towards a shield

HITACHI GLOBAL STORAGE TECH NL

Method and apparatus for oxidizing conductive redeposition in TMR sensors