Hua-Ching Tong

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and system for controlling MRAM write current to reduce powe...
- Patent number 7,110,289
- Issue date Sep 19, 2006
- Western Digital (Fremont), Inc.
- Kyusik Sin
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for making high speed, high areal density inductive write st...
- Patent number 7,007,372
- Issue date Mar 7, 2006
- Western Digital (Fremont), Inc.
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Shielded magnetic ram cells
- Patent number 6,888,184
- Issue date May 3, 2005
- Western Digital (Fremont), Inc.
- Xizeng Shi
- G11 - INFORMATION STORAGE
Information Patent Grant
High capacity MRAM memory array architecture
- Patent number 6,873,547
- Issue date Mar 29, 2005
- Read-Rite Corporation
- Xizeng(Stone) Shi
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin dependent tunneling barriers formed with a magnetic alloy
- Patent number 6,747,301
- Issue date Jun 8, 2004
- Western Digital (Fremont), Inc.
- Hugh Craig Hiner
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin-dependent tunneling sensor with low resistance metal oxide tun...
- Patent number 6,661,625
- Issue date Dec 9, 2003
- Kyusik Sin
- G11 - INFORMATION STORAGE
Information Patent Grant
Inductive write head including a thin high moment pedestal having a...
- Patent number 6,650,503
- Issue date Nov 18, 2003
- Read-Rite Corporation
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin dependent tunneling barriers doped with magnetic particles
- Patent number 6,639,291
- Issue date Oct 28, 2003
- Western Digital (Fremont), Inc.
- Kyusik Sin
- G11 - INFORMATION STORAGE
Information Patent Grant
Synthetic antiferromagnetic pinned layer with Fe/FeSi/Fe system
- Patent number 6,633,464
- Issue date Oct 14, 2003
- Read-Rite Corporation
- Chih-Huang Lai
- G11 - INFORMATION STORAGE
Information Patent Grant
High speed, high areal density inductive writer
- Patent number 6,618,223
- Issue date Sep 9, 2003
- Read-Rite Corporation
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing a magnetoresistive head having high...
- Patent number 6,468,436
- Issue date Oct 22, 2002
- Read-Rite Corporation
- Xizeng Shi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thin film read head with coplanar pole tips
- Patent number 6,459,552
- Issue date Oct 1, 2002
- Francis H. Liu
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for manufacturing an inductive write element employing bi-la...
- Patent number 6,430,806
- Issue date Aug 13, 2002
- Read-Rite Corporation
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin valve magnetoresistive sensor for high temperature environment...
- Patent number 6,424,507
- Issue date Jul 23, 2002
- Read-Rite Corporation
- Marcos M. Lederman
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetoresistive transducer having a common magnetic bias using ass...
- Patent number 6,392,850
- Issue date May 21, 2002
- Read-Rite Corporation
- Hua-Ching Tong
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Spin valve device with improved thermal stability
- Patent number 6,351,355
- Issue date Feb 26, 2002
- Read-Rite Corporation
- Tai Min
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Current pinned dual spin valve with synthetic pinned layers
- Patent number 6,317,297
- Issue date Nov 13, 2001
- Read-Rite Corporation
- Hua-Ching Tong
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Spin valve sensor with antiferromagnetic and magnetostatically coup...
- Patent number 6,185,077
- Issue date Feb 6, 2001
- Read-Rite Corporation
- Hua-Ching Tong
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetoresistive sensor for high temperature environment using irid...
- Patent number 6,166,891
- Issue date Dec 26, 2000
- Read-Rite Corporation
- Marcos M. Lederman
- B82 - NANO-TECHNOLOGY
Information Patent Grant
System for providing a magnetoresistive head having higher efficiency
- Patent number 6,137,661
- Issue date Oct 24, 2000
- Read-Rite Corporation
- Xizeng Shi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thin film read head with coplanar pole tips
- Patent number 6,073,338
- Issue date Jun 13, 2000
- Read-Rite Corporation
- Francis H. Liu
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Read/write head and method for magnetic reading and magneto-optical...
- Patent number 5,986,978
- Issue date Nov 16, 1999
- Read-Rite Corporation
- Robert E. Rottmayer
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thin film magnetic structure having ferromagnetic and antiferromagn...
- Patent number 5,876,848
- Issue date Mar 2, 1999
- Read-Rite Corporation
- Minshen Tan
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetoresistive transducer having a common magnetic bias using ass...
- Patent number 5,859,754
- Issue date Jan 12, 1999
- Read-Rite Corporation
- Hua-Ching Tong
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Low noise magnetic head for high frequency recording
- Patent number 5,792,547
- Issue date Aug 11, 1998
- Read-Rite Corporation
- Francis H. Liu
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thin film magnetic head with trimmed pole tips etched by focused io...
- Patent number 5,726,841
- Issue date Mar 10, 1998
- Read-Rite Corporation
- Hua-Ching Tong
- G11 - INFORMATION STORAGE
Information Patent Grant
Bias-free symmetric dual spin valve giant magnetoresistance transducer
- Patent number 5,705,973
- Issue date Jan 6, 1998
- Read-Rite Corporation
- Samuel W. Yuan
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic head structure with reduction of magnetic domain instability
- Patent number 5,617,278
- Issue date Apr 1, 1997
- Read-Rite Corporation
- Shih-Cheng Cheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of forming a thin film magnetic structure having ferromagnet...
- Patent number 5,612,098
- Issue date Mar 18, 1997
- Read-Rite Corporation
- Minshen Tan
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of producing exchange coupled magnetic thin films with post-...
- Patent number 5,529,814
- Issue date Jun 25, 1996
- Read-Rite Corporation
- Minshen Tan
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Synthetic antiferromagnetic pinned layer with fe/fesi/fe system
- Publication number 20040075958
- Publication date Apr 22, 2004
- Western Digital (Fremont)
- Chih-Huang Lai
- G11 - INFORMATION STORAGE
Information Patent Application
Spin valve magnetoresistive sensor for high temperature environment...
- Publication number 20020114113
- Publication date Aug 22, 2002
- Marcos M. Lederman
- B82 - NANO-TECHNOLOGY
Information Patent Application
METHOD AND SYSTEM FOR IMPROVING THE SENSITIVITY OF A SPIN VALVE MAG...
- Publication number 20010040774
- Publication date Nov 15, 2001
- Read-Rite Corporation
- SHIN FUNADA
- B82 - NANO-TECHNOLOGY
Information Patent Application
SYNTHETIC ANTIFERROMAGNETIC PINNED LAYER WITH FE/FESI/FE SYSTEM
- Publication number 20010012187
- Publication date Aug 9, 2001
- CHIH-HUANG LAI
- B82 - NANO-TECHNOLOGY

Hua-Ching Tong

Person

Patents Grantslast 30 patents

Method and system for controlling MRAM write current to reduce powe...

Method for making high speed, high areal density inductive write st...

Shielded magnetic ram cells

High capacity MRAM memory array architecture

Spin dependent tunneling barriers formed with a magnetic alloy

Spin-dependent tunneling sensor with low resistance metal oxide tun...

Inductive write head including a thin high moment pedestal having a...

Spin dependent tunneling barriers doped with magnetic particles

Synthetic antiferromagnetic pinned layer with Fe/FeSi/Fe system

High speed, high areal density inductive writer

Method and system for providing a magnetoresistive head having high...

Thin film read head with coplanar pole tips

Method for manufacturing an inductive write element employing bi-la...

Spin valve magnetoresistive sensor for high temperature environment...

Magnetoresistive transducer having a common magnetic bias using ass...

Spin valve device with improved thermal stability

Current pinned dual spin valve with synthetic pinned layers

Spin valve sensor with antiferromagnetic and magnetostatically coup...

Magnetoresistive sensor for high temperature environment using irid...

System for providing a magnetoresistive head having higher efficiency

Thin film read head with coplanar pole tips

Read/write head and method for magnetic reading and magneto-optical...

Thin film magnetic structure having ferromagnetic and antiferromagn...

Magnetoresistive transducer having a common magnetic bias using ass...

Low noise magnetic head for high frequency recording

Thin film magnetic head with trimmed pole tips etched by focused io...

Bias-free symmetric dual spin valve giant magnetoresistance transducer

Magnetic head structure with reduction of magnetic domain instability

Method of forming a thin film magnetic structure having ferromagnet...

Method of producing exchange coupled magnetic thin films with post-...

Patents Applicationslast 30 patents

Synthetic antiferromagnetic pinned layer with fe/fesi/fe system

Spin valve magnetoresistive sensor for high temperature environment...

METHOD AND SYSTEM FOR IMPROVING THE SENSITIVITY OF A SPIN VALVE MAG...

SYNTHETIC ANTIFERROMAGNETIC PINNED LAYER WITH FE/FESI/FE SYSTEM