Intellex Acquires Expert by Big Village

We're thrilled to announce that Intellex has acquired Expert by Big Village, effective March 22, 2024. This strategic move enhances our capabilities and strengthens our commitment to delivering exceptional solutions to our customers.

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Expert Details

Plasma-Aided Manufacturing

ID: 108337 Wisconsin, USA

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Expert has been involved in the development of a number of features for these devices. These include the dual cell, programmed swept radio frequency excitation, external ion injection, and mass separation. He has also been able to utilize this concept directly in plasma processing devices.

Expert has developed numerical codes for the computation of magnetohydrodynamic and electrohydrodynamic channel flows, 3-dimensional magnetohydrodynamic equilibria and stability, three-dimensional magnetic field computations, and ballooning mode stability.

Expert has had a great deal of experience in fusion plasma research, including both experimental and theoretical work. His laboratory at the Employer-Madison operates stellarator magnetic confinement devices, which include stellarators, torsatrons, and modular stellarators. A wide variety of experimental and theoretical tools have been developed to diagnose and understand the properties of these devices. The group which he heads has also developed the capability to design and construct these devices. Expert has had 20 years of experience directing a laboratory which is involved in stellarator research. He has a large variety of tools available for use in both stellarators as well as other plasma-related activities such as manufacturing.

Expert has expertise in plasma science and engineering, and notes that this area concerns the applications of plasmas in manufacturing. His experience involves experimental and modeling work in plasma etching and microwave processing for microelectronics, plasma deposition and polymerization, thermal plasma spraying and materials synthesis, plasma modification of materials, and plasma ion implantation. Expert is an authority on plasma-aided manufacturing and is knowledgeable regarding its applications to semiconductor fabrication, materials synthesis, welding, lighting, polymer film formation, anti-corrosion coatings, machine tools, metallurgy, electrical and electronics devices, plasma modification of materials, hazardous waste removal, and high performance ceramics. He has been instrumental in the development of a novel hazardous waste incinerator using cyclotron resonance plasmas, a mass spectrometer with remote ion source, and a method for measuring the anisotropy of a plasma in a magnetic field. He is also an authority on stellarator research and is very knowledgeable of cyclotron resonance heating.

Expert is concerned with the use of plasmas to develop new polymeric materials or to treat existing materials. He is familiar with the plasma formed from a monomer precursor and the resulting fragmentation of the monomeric material by electron impact. This process forms new chemicals in the gas phase and are deposited on a substrate that forms coatings which can have unusual and superior properties.

Expert's experience in this area includes the deposition of polymeric materials and the modification of their properties, plasma treatment of fibrous materials to improve their properties, barrier coatings, large area plasma sources, plasma deposition of silicon oxide and silicon nitride materials, and plasma diagnostics and sensor development for understanding and process control. Effective utilization of this process requires the understanding of existing and new plasma sources, such as r.f. planar electrodes, inductively coupled plasma sources, electron cyclotron resonance plasmas sources, magnetically confined sources, helicon sources, as well as a number of other plasma configurations. Each one of these plasma sources produces different results which need to be understood so that the choosing of correct equipment or the designing new equipment can be effectively done.

Expert has worked with plasma to modify the properties of a wide variety of materials including metals, glasses, polymers, ceramics, and semiconductors. Properties which can be modified include adhesion, sintering ability, conductivity, color, electrical properties, hardness, lubricity, resistance to solvents, biocompatibility, and photosensitivity. Effective plasma modification requires the understanding of existing and new plasma sources such as RF, planar electrodes, inductively coupled plasma sources, electron cyclotron resonance plasma sources, magnetically confined sources, helicon sources, as well as a number of other plasma configurations.

Expert has experience using plasmas to remove only the undesireable material from a substrate. Often this requires the use of a pattern to delineate the regions where etching should take place. He understands and applies the variety of existing and new plasma sources for plasma etching.

The primary goal of Expert's work is to be able to utilize plasmas in the manufacturing process. He works towards this by developing the ability to measure the plasma conditions which are necessary for insuring a particular process and then determining whether they are technically and economically feasible. The measurements of the proper plasma parameters are then used to control and to develop plasma processes for a wide range of applications. His experience involves work in plasma etching and microwave processing for microelectronics, plasma deposition and polymerization, thermal plasma spraying and materials synthesis, plasma modification of materials, and plasma ion implantation.

Expert's experience with semiconductor ion implantation has been in the application of plasmas to replace ion implantation systems for semiconductors. He has developed a new process which has the potential to eliminate impurity ions from the plasma. It promises to extend this process to even more applications in the semiconductor area.


Year Degree Subject Institution
Year: 1961 Degree: PhD Subject: Electrical Engineering Institution: Carnegie Mellon University
Year: 1960 Degree: MS Subject: Electrical Engineering Institution: Carnegie Mellon University
Year: 1958 Degree: BS Subject: Electrical Engineering Institution: Purdue University

Work History

Years Employer Title Department
Years: 1986 to 1997 Employer: University of Wisconsin Title: Director Department: Center for Plasma-Aided Manufacturing
Available upon request.
Years Employer Title Department
Years: 1988 to 1997 Employer: University of Wisconsin Title: Director Department: NSF Engineering Research Center for Plasma-Aided Manufacturing
Directed Large multidisciplinary research center whose mission was to work directly with industry on problems of national importance to improve the competitiveness of U.S. industry. The topic of the Center involved the use of charged particles in the manufacturing process-from microelectronic processing, such as deposition, implantation, etching, etc., to the more "traditional industries" such as automotive, aircraft and chemical industries.
Years Employer Title Department
Years: 1973 to Present Employer: Undisclosed Title: Director Department: Torsatron/Stellarator Laboratory
Directed large fusion research project. Constructed and designed serveral stellarator devices whose goals are to confine plasmas to study their properties which will lead of a working fusion reactor as an energy source.
Years Employer Title Department
Years: 1986 to 1990 Employer: University of Wisconsin Title: Chairman Department: Department of Electrical & Computer Engineering
Elected Department Chair for a four year term. Managed 45 faculty along with an equal number of staff. The Department was the largest on Campus in terms of student enrollment.

Career Accomplishments

Associations / Societies
Expert is a Fellow member of IEEE and the American Physical Society. He is a member of the American Association of University Professors and the American Association for the Advancement of Science. He is a Founding Member and the President of the University Fusion Association. He is the Founder of IEEE Transactions on Plasma Science.
Awards / Recognition
Expert has received the Frederick Emmons Termann Award of the American Society for Engineering Education, the IEEE Nuclear and Plasma Sciences Society Merit Award, the IEEE Plasma Science and Applications Prize, the IEEE Centennial Medal, the IEEE Richard F. Shea Distinguished Member Award, and the John Yarwood Memorial Medal Presented by the British Vacuum Council.
Publications and Patents Summary
Expert holds 8 patents and has published over 300 scientific papers.

Language Skills

Language Proficiency

Fields of Expertise

Fourier transform mass spectroscopy, microfabrication microwave processing, computational fluid dynamics, high-temperature plasma, stellarator, low-temperature plasma, plasma surface treatment, plasma-induced polymer film formation, plasma-enhanced chemical vapor deposition, plasma physics, plasma etching, plasma-aided manufacturing, semiconductor ion implantation, design of experiments, electrical impedance, thermal spray coating material, ceramic electrical property, solvent resistance, polymerization reactor, film forming, polymer hardness, mass spectroscope, nitride compound, electronics, ceramic adhesion, microwave processing, coating property, FORTRAN programming language, printed circuit board cleaning, semiconductor wafer cleaning, semiconductor device manufacturing, electrical-discharge machining, electric field theory, energy-efficient plasma heating device, vacuum leak detection, radio-frequency heating, open-channel flow, magnetic field theory, vacuum measurement, metal etching, ion implantation, ion etching, plasma processing, X-radiation, microwave frequency, incinerator, magnetic field, hazardous waste incineration system, vacuum deposition, mathematical function, vacuum tube, vacuum pump, maintenance vacuum getter, thyratron, thermal spray coating process, spray coating, semiconductor processing equipment, polymer film production, plasma spraying, photoresist, number crunching, nuclear fusion technology, metal cleaning, mass spectrometry, magnetic property, laser Doppler velocimetry, Laplace transform, ion pump, hazardous waste management incineration, hazardous waste incineration, hazardous waste removal operation, general wave theory, Fourier transform, fluid mechanics modeling, finite element analysis, electrostatics, electronics testing, electronics manufacturing, electron tube, solid electric property, electric corona, electric breakdown, electric arc, diffusion pump, diamond thin film, coating, ceramic sintering, ceramic powder processing, arc deposition, anisotropy

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