Inventor

CHANG JEI-WEI

US67 patents

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

CHANG JEI-WEI

HEADWAY TECHNOLOGIES INC

Giant magnetoresistive (GMR) sensor element with enhanced magnetoresistive (MR) coefficient

GMR configuration with enhanced spin filtering

Multiple thermal annealing method for forming antiferromagnetic exchange biased magnetoresistive (MR) sensor element

Low fringe-field and narrow write-track magneto-resistive (MR) magnetic read-write head

GMR configuration with enhanced spin filtering

Double plate-up process for fabrication of composite magnetoresistive shared poles

Method of fabrication of striped magnetoresistive (SMR) and dual stripe magnetoresistive (DSMR) heads with anti-parallel exchange configuration

Method of manufacture of a composite shared pole design for magnetoresistive merged heads

Magnetoresistive (MR) sensor element with enhanced resistivity sensitivity and enhanced magnetic exchange bias

Method of fabrication of striped magnetoresistive (SMR) and dual stripe magnetoresistive (DSMR) heads with anti-parallel exchange configuration

High saturtion magnetization material and magnetic head fabricated therefrom

High track density dual stripe magnetoresistive (DSMR) head

Method of manufacturing an ultra high saturation moment soft magnetic thin film

Bilayer carbon overcoating for magnetic data storage disks and magnetic head/slider constructions

High ion beam etch selectivity for partial pole trim application

Non-magnetic nickel containing conductor alloys for magnetic transducer element fabrication

Method to prevent electrostatic discharge for MR/GMR wafer fabrication

Narrow track CPP head with bias cancellation

Process of manufacturing a narrow track CCP head with bias cancellation

Process for manufacturing a flat coil

Method of manufacturing magnetoresistive (MR) sensor element with sunken lead structure

Method to print photoresist lines with negative sidewalls

Lead plating method for GMR head manufacture

Process to manufacture a top spin valve

Anisotropic magnetoresistive (MR) sensor element with enhanced magnetoresistive (MR) coefficient

Protective layer for continuous GMR design

Plated flat metal gap for very narrow recording heads

Ultra high saturation moment soft magnetic thin film

Device with thermoelectric cooling

Electrochemical method to improve MR reader edge definition and device reliability

Chemical approach to develop lift-off photoresist structure and passivate MR sensor

Method to print photoresist lines with negative sidewalls

Process to manufacture narrow track CPP head with bias cancellation

Method of manufacturing integrated spin valve head

Method to form an embedded micro-pedestal in a conductive layer

Self-alignment scheme for enhancement of CPP-GMR

Method of manufacturing integrated spin valve head

Composite shared pole design for magnetoresistive merged heads

Integrated spin valve head

Lead plating method for GMR head manufacture

Magnetoresistive (MR) sensor element with sunken lead structure

Protective layer for continuous GMR design using reverse photo mask

Masking frame plating method for forming masking frame plated layer

IBM

Metallurgical joint including a stress release layer

Thin film structures for magnetic recording heads

High magnetic moment materials and process for fabrication of thin film heads

MAGLABS INC

Magnetic random access memory with stacked memory cells having oppositely-directed hard-axis biasing

Magnetic random access memory with stacked toggle memory cells having oppositely-directed easy-axis biasing

ZHU LI-YAN

Series/parallel connection scheme for energy storage devices

HEADWAY TECHNOLOIES INC

Bilayer carbon overcoating for magnetic data storage disks and magnetic head/slider constructions