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 Expert  724211

Expert in Radiation Effects on Electronics, Single Event & Gamma Effects (SEE), Test and Analysis Services

Available for your Consulting and Expert Witness Needs

California (CA)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
IR&D Experience: Lead IR&D effort at Boeing's Radiation Survivability. Review and assess IR&D proposals. Performed several IR& D efforts and developed a transient suppressor device.

System Engineering Experience: Through out his career, as a technical performer and technical manager, he has developed engineering processes at Boeing Satellite Development Center, El Segundo, CA. Developed system and component level radiation design requirements, and performed and managed technical tasks. Interacted with product reliability, thermal, electronic design, structure, and system engineers. Managed some US Department of Defense (DOD) program's tasks based on earn value concept using Microsoft Project software. At TRW (now Northrop Grumman) completed internal company training program in project management. At Pepperdine University completed human resource management, statistical methods in research, and organizational behavior courses.

Has extensive background knowledge, experience and developed expertise in all aspects of radiation effects on the component and system levels. On the component level, he has expertise at all levels of complexities of integrated circuits in terms of technology (CMOS, Bipolar, HBT) down to submicron devices < 0.1 um, and frequency up to a 16 GHz in performance, in materials: Si. SiGe, GaAs, InP, and transition metal oxides. His experience covers the effects of the natural space (single event upset, latchup, gate rupture and burnout due to cosmic rays and electrostatic discharge), and nuclear radiation (upset, latchup, and burnout due to system generated electromagnetic pulse (SGEMP), and neutron and gamma rays) on devices and systems ranging from analytical studies of the basic mechanisms to actual participation in testing and hardening the design. He has used a 3D-device simulation code, DAVINCI, to understand and predict device responses to the various radiation effects and to harden SiGe and InP devices to single event upset. As a student, he developed a transient suppressor device. At TRW he was responsible for the analysis, testing, and evaluation of the radiation hardness of 13 MILSTAR LSI device types of various technologies and complexities (LSI, VLSI, and VHSIC). Also, he conducted a development phase hardness design of a mobile communication system against HEMP and lightning. On key projects such as DESAS, GWEN, MILSTAR, and GMMC, he performed various tasks involving electromagnetic coupling analysis to antennas, structures, wires and cables and established the threat waveforms to interface circuits. At Hughes Aircraft company, he discovered single event latchup in CMOS on epi devices and in bipolar emitter coupled logic (ECL) devices and established, as a first article, the theory of single event latchup in CMOS. He published major papers in theory of latchup in CMOS and on the verification of SEU and DEU (double upset) prediction with on-orbit data. He has been responsible for single event assessment of over 75 military and commercial satellites. Earlier, he was responsible for radiation analysis and testing for numerous electronic components and systems on programs such as WGS, ICO, Spaceway, Thuraya, UHF/EHF, MCP, MILSTAR, BSTS, MMB, ESP, AUSSAT, Galaxy, and many others satellites.

At California State University (Long Beach), lectured a course in astronautic and space for three years.


cosmic radiation


extraterrestrial radiation


solar radiation


nuclear radiation


ionizing radiation

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Los Angeles, California;  San Diego, California;  Long Beach, California;  Santa Ana, California;  Anaheim, California;  Riverside, California;  Glendale, California;  Huntington Beach, California;  San Bernardino, California;  and Chula Vista, California.

Often requested
with this expert:

Spacecraft Charging, Nuclear & Radiation Hardening, Space...
Radiation Effects in Electronics, Hardening
Electronic Reliability & On-Chip ESD Protection
Radiation Effects, Systems Survivability

Year   Degree   Subject   Institution  
1980   Ph. D   Semiconductor devices   Rutgers University  
1978   M.Sc.   Electrical Engineering   Rutgers University  

Work History:
Years   Employer   Department   Title   Responsibilities

1985 to 2007


Boeing company




Sr. Scientist


Perform assessment of spacecraft electronics to the effects of single event effects. Perform radiation testing and analysis for the effects of total dose and prompt dose.

1983 to 1985




Radiation Hardness


Staff Eng


Perform EMP and lightning coupling analysis to command, control and communication systems

1981 to 1983


Energy Masters, Inc.






As VP Engg. of engineering, responsible for developing product requirements, electrical and mechanical design, manufacturing, production and maintenance of motor controllers and high voltage power supplies.

Career Accomplishments:

IEEE, Tau Beta Pi, Sigma XI

Publications and Patents Summary

Presented and published over 40 papers on electrical properties of transition metal oxide, Chalcogenide materials, superconductivity, and radiation effects in semiconductor devices.

Semiconductor Power Generator based on source of heavy ion and alpha particles. Single event upset hardening of a semiconductor device using a buried electrode. Single event hardening technique for bipolar devices. Natural pulsating power source for deep space applications (pending)

Government Experience:
Years   Agency   Role   Description
2000 to 2002   US Department of Defense   Reviewer   Managed some US Department of Defense (DOD) program's tasks based on earn value concept using Microsoft Project software.

Consulting Services:
Selected Consulting Examples:
  • Managed some US Department of Defense (DOD) program's tasks based on earn value concept using Microsoft Project software.
Recent Client Requests:
  • Radiation hardening expert minneapolis for consulting on radiation hardness of electrical cables.
  • Expert in single event upset for consulting on Single Event Upset Calculation for Processor Card.
  • Expert in milstar keyboard and low noise amplifier INA.
  • Radiation hardening expert for consulting on conversion of cots design to rad hard.
  • Expert for consulting on Tribology and Lubrication for Bearings.
  • Expert for consulting on Single and Multiple event upset of ASIC in commercial aircraft
  • Expert for consulting on Radiation Hardening for DC/DC converters.
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:
Foreign Language   Description
Arabic   Excellent

Additional Skills and Services:
Other Skills and Services

HTML, ASP, VB Script, FORTRAN programming; Windows NT networking skills.


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