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Hybrid Thick Film Circuit Layout, and Low Temperature Co-fired Ceramics: Design and Manufacturing
Expert has worked in the forefront of developing technology in the area of electronic ceramics for over thirty years, ranging from the early high-alumina ceramic substrate refinement for additive and subtractive microelectronic packaging circuit pattern definition to the advanced glass-ceramic…
Electronic Equipment, Microcontroller, DSP, Interfacing, VOIP, RF communication, Software (VB/ VC++)
Expert has developed many circuits based on analog/digital inputs and outputs. For example, an RTD changes its resistance depending upon the temperature. This resistor value is converted to a voltage signal in analog form and then sent to a comparator…
Resistance Welding, Laser Welding, Arc Welding, Ultrasonic Welding, Brazing, and Soldering
He has extensive experience in brazing starting with his PhD (Penn State) in brazing of structural ceramics. He worked on the Alumnia-Titanium system using an active braze alloy of Ag-Cu-Ti composition. Active brazing has found wide acceptance in brazing of…
Water and Wastewater Treatment, Nanofiber and Nanotube synthesis, Waste To Energy
Has 16 issued patents in the field of water and wastewater treatment, including membrane, electrochemistry, ion exchange, softening, adsorption, zero discharge, chromatographic separation of mixed metal wastes. Also has multiple pending patents in emerging water technologies including Forward Osmosis, Low…
Power Electronics, Motor Drives, Renewable Energy, Etc.
AC frequency converters are frequently used for AC motor drives. He has written 7 books and many publications covering this area. A CCV is a frequency changer which can be direct or through a dc link. He worked as CCV…
Electric Power Distribution, Power Engineering
Expert has taught courses on electric power distribution systems. His capabilities are in the analysis of technical problems or issues dealing with design of electric power distribution systems. He has extensive experience in research and development in electric distribution systems…
Electrical & Magnetic Properties of Metal-Insulator Composites, Cermets, Carbon Black-Polymer Mixes
Expert (pronounced Sish-L) is an experimental physicist with an expertise in the electrical properties of carbon black/polymer composites. She has experience with the measurement of thermophysical properties (thermopower, thermal conductivity) and transport properties (Hall Effect, Righi-Leduc Effect, Peltier Effect) of…
Electronic Reliability & On-Chip ESD Protection
Expert currently works on predicting the electric breakdown of silicon dioxide gate dielectric. He is knowledgeable of the electric breakdown characteristics of silicon and air. Additionally, he has studied the effects of electric field on the reliability of semiconductor devices.…
Power Electronics and Switched Mode Power Supplies
Expert has spent a large part of his career developing products in technical leadership positions in the general category of power electronics. He is a member of the IEEE Power Electronics Specialists Society and has attended and presented papers and…
Polyurethanes; Crystalline Polymers; Dielectric Properties; Ion-containing Polymers
Summary: Although I retired from Penn State in July '18, I continue to be engaged in the scientific / technical side of polymer science and engineering. I am more actively seeking external consulting opportunities, including serving as an expert witness.…