Shunhua T. Chang

Person

South Burlington, VT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method to prevent integrated circuit from entering la...
- Patent number 10,636,872
- Issue date Apr 28, 2020
- GLOBALFOUNDRIES Inc.
- Shunhua T. Chang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Integrated circuit protection during high-current ESD testing
- Patent number 10,359,461
- Issue date Jul 23, 2019
- International Business Machines Corporation
- Shunhua Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integrated circuit protection during high-current ESD testing
- Patent number 9,869,708
- Issue date Jan 16, 2018
- International Business Machines Corporation
- Shunhua Chang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Transmission line pulse and very fast transmission line pulse refle...
- Patent number 9,684,029
- Issue date Jun 20, 2017
- International Business Machines Corporation
- Shunhua T. Chang
- G01 - MEASURING TESTING
Information Patent Grant
Integrated circuit protection during high-current ESD testing
- Patent number 9,435,841
- Issue date Sep 6, 2016
- International Business Machines Corporation
- Shunhua Chang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cancellation of secondary reverse reflections in a very-fast transm...
- Patent number 9,377,496
- Issue date Jun 28, 2016
- International Business Machines Corporation
- Shunhua T. Chang
- G01 - MEASURING TESTING
Information Patent Grant
Cancellation of secondary reverse reflections in a very-fast transm...
- Patent number 9,274,155
- Issue date Mar 1, 2016
- International Business Machines Corporation
- Shunhua T. Chang
- G01 - MEASURING TESTING
Information Patent Grant
Electrostatic discharge (ESD) device and method of fabricating
- Patent number 8,803,276
- Issue date Aug 12, 2014
- International Business Machines Corporation
- Shunhua Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low leakage, low capacitance electrostatic discharge (ESD) silicon...
- Patent number 8,796,731
- Issue date Aug 5, 2014
- International Business Machines Corporation
- Michel J. Abou-Khalil
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Robust ESD protection circuit, method and design structure for tole...
- Patent number 8,760,827
- Issue date Jun 24, 2014
- International Business Machines Corporation
- John B. Campi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrostatic discharge power clamp with a JFET based RC trigger ci...
- Patent number 8,730,624
- Issue date May 20, 2014
- International Business Machines Corporation
- Shunhua T. Chang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Silicon controlled rectifier based electrostatic discharge protecti...
- Patent number 8,634,172
- Issue date Jan 21, 2014
- International Business Machines Corporation
- John B. Campi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vertical NPNP structure in a triple well CMOS process
- Patent number 8,614,489
- Issue date Dec 24, 2013
- International Business Machines Corporation
- John B. Campi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrostatic discharge (ESD) device and method of fabricating
- Patent number 8,597,993
- Issue date Dec 3, 2013
- International Business Machines Corporation
- Shunhua Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
ESD field-effect transistor and integrated diffusion resistor
- Patent number 8,513,738
- Issue date Aug 20, 2013
- International Business Machines Corporation
- John B. Campi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical overstress protection circuit
- Patent number 8,363,367
- Issue date Jan 29, 2013
- International Business Machines Corporation
- John B. Campi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
SCR/MOS clamp for ESD protection of integrated circuits
- Patent number 8,354,722
- Issue date Jan 15, 2013
- International Business Machines Corporation
- John B. Campi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low trigger voltage electrostatic discharge NFET in triple well CMO...
- Patent number 8,350,329
- Issue date Jan 8, 2013
- International Business Machines Corporation
- John B. Campi, Jr.
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vertical NPNP structure in a triple well CMOS process
- Patent number 8,299,533
- Issue date Oct 30, 2012
- International Business Machines Corporation
- John B. Campi, Jr.
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Signal and power supply integrated ESD protection device
- Patent number 8,169,760
- Issue date May 1, 2012
- International Business Machines Corporation
- Shunhua T. Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of fabricating semiconductor structures for latch-up suppres...
- Patent number 7,648,869
- Issue date Jan 19, 2010
- International Business Machines Corporation
- Shunhua Thomas Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Shallow trench isolation method for shielding trapped charge in a s...
- Patent number 7,385,275
- Issue date Jun 10, 2008
- International Business Machines Corporation
- Ethan Harrison Cannon
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD TO PREVENT INTEGRATED CIRCUIT FROM ENTERING LA...
- Publication number 20200135856
- Publication date Apr 30, 2020
- GLOBALFOUNDRIES INC.
- Shunhua T. Chang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
INTEGRATED CIRCUIT PROTECTION DURING HIGH-CURRENT ESD TESTING
- Publication number 20180100883
- Publication date Apr 12, 2018
- International Business Machines Corporation
- SHUNHUA CHANG
- G01 - MEASURING TESTING
Information Patent Application
INTEGRATED CIRCUIT PROTECTION DURING HIGH-CURRENT ESD TESTING
- Publication number 20180100884
- Publication date Apr 12, 2018
- International Business Machines Corporation
- SHUNHUA CHANG
- G01 - MEASURING TESTING
Information Patent Application
TRANSMISSION LINE PULSE AND VERY FAST TRANSMISSION LINE PULSE REFLE...
- Publication number 20160097804
- Publication date Apr 7, 2016
- International Business Machines Corporation
- Shunhua T. Chang
- G01 - MEASURING TESTING
Information Patent Application
INTEGRATED CIRCUIT PROTECTION DURING HIGH-CURRENT ESD TESTING
- Publication number 20160033564
- Publication date Feb 4, 2016
- International Business Machines Corporation
- SHUNHUA CHANG
- G01 - MEASURING TESTING
Information Patent Application
CANCELLATION OF SECONDARY REVERSE REFLECTIONS IN A VERY-FAST TRANSM...
- Publication number 20160018452
- Publication date Jan 21, 2016
- International Business Machines Corporation
- Shunhua T. CHANG
- G01 - MEASURING TESTING
Information Patent Application
CANCELLATION OF SECONDARY REVERSE REFLECTIONS IN A VERY-FAST TRANSM...
- Publication number 20140084950
- Publication date Mar 27, 2014
- International Business Machines Corporation
- Shunhua T. CHANG
- G01 - MEASURING TESTING
Information Patent Application
ELECTROSTATIC DISCHARGE (ESD) DEVICE AND METHOD OF FABRICATING
- Publication number 20140061803
- Publication date Mar 6, 2014
- International Business Machines Corporation
- Shunhua CHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INTEGRATED CIRCUIT PROTECTION DURING HIGH-CURRENT ESD TESTING
- Publication number 20130271883
- Publication date Oct 17, 2013
- International Business Machines Corporation
- Shunhua Chang
- G01 - MEASURING TESTING
Information Patent Application
ESD FIELD-EFFECT TRANSISTOR AND INTEGRATED DIFFUSION RESISTOR
- Publication number 20130020645
- Publication date Jan 24, 2013
- International Business Machines Corporation
- John B. Campi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VERTICAL NPNP STRUCTURE IN A TRIPLE WELL CMOS PROCESS
- Publication number 20130009207
- Publication date Jan 10, 2013
- International Business Machines Corporation
- John B. Campi, JR.
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SCR/MOS CLAMP FOR ESD PROTECTION OF INTEGRATED CIRCUITS
- Publication number 20120305984
- Publication date Dec 6, 2012
- International Business Machines Corporation
- John B. Campi, JR.
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTROSTATIC DISCHARGE POWER CLAMP WITH A JFET BASED RC TRIGGER CI...
- Publication number 20120250195
- Publication date Oct 4, 2012
- International Business Machines Corporation
- Shunhua T. Chang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Vertical NPNP Structure In a Triple Well CMOS Process
- Publication number 20120126285
- Publication date May 24, 2012
- International Business Machines Corporation
- John B. Campi, JR.
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Low trigger voltage electrostatic discharge NFET in triple well CMO...
- Publication number 20120091530
- Publication date Apr 19, 2012
- International Business Machines Corporation
- John B. Campi, JR.
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LOW LEAKAGE, LOW CAPACITANCE ELECTROSTATIC DISCHARGE (ESD) SILICON...
- Publication number 20120043583
- Publication date Feb 23, 2012
- International Business Machines Corporation
- Michel J. ABOU-KHALIL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Silicon Controlled Rectifier Based Electrostatic Discharge Protecti...
- Publication number 20110286135
- Publication date Nov 24, 2011
- International Business Machines Corporation
- John B. CAMPI, JR.
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ROBUST ESD PROTECTION CIRCUIT, METHOD AND DESIGN STRUCTURE FOR TOLE...
- Publication number 20100265622
- Publication date Oct 21, 2010
- International Business Machines Corporation
- John B. CAMPI, JR.
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electrical Overstress Protection Circuit
- Publication number 20100246076
- Publication date Sep 30, 2010
- International Business Machines Corporation
- John B. Campi, JR.
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SIGNAL AND POWER SUPPLY INTEGRATED ESD PROTECTION DEVICE
- Publication number 20100181621
- Publication date Jul 22, 2010
- International Business Machines Corporation
- Shunhua T. Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELETROSTATIC DISCHARGE (ESD) DEVICE AND METHOD OF FABRICATING
- Publication number 20090231766
- Publication date Sep 17, 2009
- Shunhua Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SHALLOW TRENCH ISOLATION STRUCTURE FOR SHIELDING TRAPPED CHARGE IN...
- Publication number 20080116529
- Publication date May 22, 2008
- Ethan Harrison Cannon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Active ESD Protection
- Publication number 20070297105
- Publication date Dec 27, 2007
- Ciaran J. Brennan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SHALLOW TRENCH ISOLATION STRUCTURE FOR SHIELDING TRAPPED CHARGE IN...
- Publication number 20070187778
- Publication date Aug 16, 2007
- Ethan Harrison Cannon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Methods and semiconductor structures for latch-up suppression using...
- Publication number 20070158755
- Publication date Jul 12, 2007
- International Business Machines Corporation
- Shunhua Thomas Chang
- H01 - BASIC ELECTRIC ELEMENTS

Shunhua T. Chang

Person

Patents Grantslast 30 patents

Apparatus and method to prevent integrated circuit from entering la...

Integrated circuit protection during high-current ESD testing

Integrated circuit protection during high-current ESD testing

Transmission line pulse and very fast transmission line pulse refle...

Integrated circuit protection during high-current ESD testing

Cancellation of secondary reverse reflections in a very-fast transm...

Cancellation of secondary reverse reflections in a very-fast transm...

Electrostatic discharge (ESD) device and method of fabricating

Low leakage, low capacitance electrostatic discharge (ESD) silicon...

Robust ESD protection circuit, method and design structure for tole...

Electrostatic discharge power clamp with a JFET based RC trigger ci...

Silicon controlled rectifier based electrostatic discharge protecti...

Vertical NPNP structure in a triple well CMOS process

Electrostatic discharge (ESD) device and method of fabricating

ESD field-effect transistor and integrated diffusion resistor

Electrical overstress protection circuit

SCR/MOS clamp for ESD protection of integrated circuits

Low trigger voltage electrostatic discharge NFET in triple well CMO...

Vertical NPNP structure in a triple well CMOS process

Signal and power supply integrated ESD protection device

Method of fabricating semiconductor structures for latch-up suppres...

Shallow trench isolation method for shielding trapped charge in a s...

Patents Applicationslast 30 patents

APPARATUS AND METHOD TO PREVENT INTEGRATED CIRCUIT FROM ENTERING LA...

INTEGRATED CIRCUIT PROTECTION DURING HIGH-CURRENT ESD TESTING

INTEGRATED CIRCUIT PROTECTION DURING HIGH-CURRENT ESD TESTING

TRANSMISSION LINE PULSE AND VERY FAST TRANSMISSION LINE PULSE REFLE...

INTEGRATED CIRCUIT PROTECTION DURING HIGH-CURRENT ESD TESTING

CANCELLATION OF SECONDARY REVERSE REFLECTIONS IN A VERY-FAST TRANSM...

CANCELLATION OF SECONDARY REVERSE REFLECTIONS IN A VERY-FAST TRANSM...

ELECTROSTATIC DISCHARGE (ESD) DEVICE AND METHOD OF FABRICATING

INTEGRATED CIRCUIT PROTECTION DURING HIGH-CURRENT ESD TESTING

ESD FIELD-EFFECT TRANSISTOR AND INTEGRATED DIFFUSION RESISTOR

VERTICAL NPNP STRUCTURE IN A TRIPLE WELL CMOS PROCESS

SCR/MOS CLAMP FOR ESD PROTECTION OF INTEGRATED CIRCUITS

ELECTROSTATIC DISCHARGE POWER CLAMP WITH A JFET BASED RC TRIGGER CI...

Vertical NPNP Structure In a Triple Well CMOS Process

Low trigger voltage electrostatic discharge NFET in triple well CMO...

LOW LEAKAGE, LOW CAPACITANCE ELECTROSTATIC DISCHARGE (ESD) SILICON...

Silicon Controlled Rectifier Based Electrostatic Discharge Protecti...

ROBUST ESD PROTECTION CIRCUIT, METHOD AND DESIGN STRUCTURE FOR TOLE...

Electrical Overstress Protection Circuit

SIGNAL AND POWER SUPPLY INTEGRATED ESD PROTECTION DEVICE

ELETROSTATIC DISCHARGE (ESD) DEVICE AND METHOD OF FABRICATING

SHALLOW TRENCH ISOLATION STRUCTURE FOR SHIELDING TRAPPED CHARGE IN...

Active ESD Protection

SHALLOW TRENCH ISOLATION STRUCTURE FOR SHIELDING TRAPPED CHARGE IN...

Methods and semiconductor structures for latch-up suppression using...