Inventor

TONG HUA-CHING

US32 patents

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

TONG HUA-CHING

READ RITE CORP

High speed, high areal density inductive writer

Method and system for providing a magnetoresistive head having higher efficiency

Spin valve magnetoresistive sensor for high temperature environment using iridium manganese

Spin valve sensor with antiferromagnetic and magnetostatically coupled pinning structure

Magnetoresistive sensor for high temperature environment using iridium manganese

System for providing a magnetoresistive head having higher efficiency

Thin film read head with coplanar pole tips

Synthetic antiferromagnetic pinned layer with Fe/FeSi/Fe system

Magnetoresistive transducer having a common magnetic bias using assertive and complementary signals

Inductive write head including a thin high moment pedestal having a tapered edge

Method for manufacturing an inductive write element employing bi-layer photoresist to define a thin high moment pole pedestal

Read/write head and method for magnetic reading and magneto-optical writing on a data storage medium

Spin valve device with improved thermal stability

Current pinned dual spin valve with synthetic pinned layers

Magnetoresistive transducer having a common magnetic bias using assertive and complementary signals

Thin film magnetic head with trimmed pole tips etched by focused ion beam for undershoot reduction

Bias-free symmetric dual spin valve giant magnetoresistance transducer

High capacity MRAM memory array architecture

Thin film magnetic structure having ferromagnetic and antiferromagnetic layers

Low noise magnetic head for high frequency recording

Method of forming a thin film magnetic structure having ferromagnetic and antiferromagnetic layers

Method of producing exchange coupled magnetic thin films with post-deposition annealing

Configuring domain pattern in thin films of magnetic heads

Magnetic head structure with reduction of magnetic domain instability

Unidirectional field generator

WESTERN DIGITAL FREMONT INC

Method for making high speed, high areal density inductive write structure

Shielded magnetic ram cells

Spin dependent tunneling barriers formed with a magnetic alloy

Spin dependent tunneling barriers doped with magnetic particles

(unassigned)

Thin film read head with coplanar pole tips

Spin-dependent tunneling sensor with low resistance metal oxide tunnel barrier

ST MICROELECTRONICS SRL

Method and system for controlling MRAM write current to reduce power consumption