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 Expert  107594

Expert in Power Semiconductor Devices

Available for your Consulting and Expert Witness Needs

Arkansas (AR)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
Expert has spent a significant portion of his career in the design, fabrication, and application of power transistors. He is an expert in the reliability aspects of power transistors. He teaches a graduate-level course in power semiconductor devices. Expert's recent research has been on the reliability of new passivations such as diamond-like carbon for semiconductor devices. He is involved extensively in the reliability and synthesis of silicon nitride passivation, both on integrated circuits and multi-chip modules (MCMs). He is currently working on passivations for flexible cables. Expert has more than 10 years of experience in the synthesis, application, research and development, and reliability of silicon nitride as passivation in semiconductor devices and integrated circuits.

Expert has significant practical knowledge of semiconductor metallizations. He has been involved in the sputtering of many semiconductor metallizations such as gold, titanium nitride, iridium, titanium-tungsten, and titanium. He is presently engaged in the research and development of thin film superconductors such as YBCO and TBCCO as the interconnects in multi-chip modules. Expert started his EE career as a product engineer for switching converter integrated circuits. He was involved in the design, fabrication, and application of switching converter ICs. He is currently working on the development of switching audio amplifiers at the Expert's University. He has also written a book entitled "Power-Switching Converters" published by Marcel-Dekker in 1995. Expert has 15 years of experience in the reliability aspects of integrated circuits, power semiconductor devices, and multichip modules. He is involved mainly in the reliability of passivation.


power transistor


power bipolar transistor


bipolar transistor


metal-oxide semiconductor field-effect transistor


semiconductor passivation


silicon nitride


semiconductor metallizing


gold sputtering


indium tin oxide sputtering


titanium sputtering


atomic layer deposition


switching converter


semiconductor device reliability



Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Tulsa, Oklahoma;  Broken Arrow, Oklahoma;  Fort Smith, Arkansas;  Fayetteville, Arkansas;  and Springfield, Missouri.

Often requested
with this expert:

Electronic Reliability & On-Chip ESD Protection
Electronic Components: System Reliability, and Failure...
Power Electronics and Renewable Energy Systems
Power Electronics, Power Supplies

Year   Degree   Subject   Institution  
1985   PhD   Electrical Engineering   Southern Methodist University  
1981   MS   Electrical Engineering   Georgia Tech.  
1980   BS   Electrical Engineering   (Undisclosed University)  

Work History:
Years   Employer   Department   Title   Responsibilities

1988 to


(Undisclosed University)


Electrical Engineering


Assistant/Associate Professor/Professor


1981 to 1988


Texas Instruments



Section Manager, Linear/Switch-Mode Converter Design


Previous positions include: Section Manager, Advanced Power IC Development; Product Engineer, Voltage Regulator IC's

Career Accomplishments:

Expert is a registered Professional Engineer in the State of Arkansas.

Professional Appointments

He is a senior member of the IEEE.


Expert was awarded the Insignia Award in Technology by the City and Guilds of London Institute, United Kingdom in 1988 for his work on a Passivated Dual Dielectric Gate System for Power MOSFETs.

Publications and Patents Summary

He holds three patents in microelectronic processing and has more than 130 publications and conference presentations to his credit.

Selected Publications and Publishers  
 - Electronic Packaging Technology Conference  
 - Journal of Applied Physics  
 - IEEE Transactions on Electron Devices, Institute of Electrical and Electronics Engineers (IEEE)  
 - Microelectronics & Reliability  

Consulting Services:
Recent Client Requests:
  • Expert for consulting on Semiconductor technology reliability.
  • DC circuit engineering expert for consulting on a DC to DC converter design prototype.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

Language Skills:
Expert understands Mandarin.

Additional Skills and Services:

Expert teaches short courses in multichip modules, IC fabrications, and switching converters.


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