Consultant for High Power, High Frequency, High Voltage Electronic Equipment and Systems

Technical Consultant #1496

Failure analysis of high power, high frequency and high voltage electronic equipment.
Power supply design and strong background in systems integration with different power supplies.
Power supply for lasers.
Pulse forming network, DC-DC, AC-DC, capacitor chargers, battery charges, laser diodes power supplies, gas discharge lamps and other nonlinear loads.
Design of RF generators for semiconductor processing.
Deep knowledge of soft switching power conversion.
Topologies for single and three phase power factor correctors (PFC), inverters (up to MHz level) and motor drivers.
Control systems for power electronics and lasers.
Computer design tools including Pspice, PADs, OrCAD and MathCAD.

Independent Consultant

Projects

Failure and system analysis and solution proposal for laser controlled sawing machine.
Unique laser diode driver for Mhz level pulse repetition rate, flat current top and power limit.
Pulse forming network and system integration of solar cell tester.
High power (50kW) high frequency (30kHz) high voltage (20kV) transformer-rectifier system failure analysis, solution proposal and implementation.
15kW line voltage independent AC motor driver for semiconductor industry.

Undisclosed Company, Principal Engineer, Advanced Technology Development, Andover, MA, 2007 - Present

MKS Instruments, Wilmington, MA, 1996 - 2007

Principal Engineer, 2005 - 2007

New Generation of RF generators for semiconductor processing chambers (etching and other applications).
Front end and system design.
Unique Modules: 4.5kW voltage to power converter, 500kHz switching frequency, soft switching.
2kW Buck Regulator Module, 250kHz Switching Frequency,Soft Switching.

Senior Design Engineer, 1996 - 2004

New generation of plasma generators to generate atomic reactive gases, 400kHz up to 15kW, design of power supply for the 1000W Xenon lamp.
Design of 3800W power supply for CW solid state lasers for industrial marking systems.
Design of 6000W power supply for solid state lasers with universal single or three phase input, power, factor corrected.
Project leader for DC-DC auxiliary power supply.
200-800VDC input, 6 stabilized outputs: Capacitor charging power supplies 2000 - 5500 J/sec, principal participation in the development; 175-300W xenon lamps power supply; principal participation in the development.

Texas Instruments, Analog Application Engineer - Power Specialist, Waltham, MA, 2004 - 2005

Designing power systems with difficult or unusual requirements.
Universal Power Adapter with extra wide input voltage range 100W DC-DC converter (9-72Vin)(patent pending) with surge protection module.
New control algorithm for Synchronous Rectifiers (patent pending).

Laser Drive Inc., Design Engineer, Gibsonia, PA, 1994 - 1996

Advanced Power Technology Ltd., Senior Engineer of R&D, Ofaqim, Israel, 1993 - 1994

Power supplies for solid state laser (power factor corrected).
High voltage power supply for military application.
Low power, multi-output (DC) high voltage power supply with the distributed AC buss.

Power Science Ltd., Chief Scientific Officer, Nes-Tziona, Israel, 1992 - 1993

Power supplies for solid state lasers.
Quasiresonant topology 100W service power supply; resonant topology 3000J/sec charging power supply.

Tajikistan State University, Dushanbe, Tajikistan, 1985 - 1981

Research and Development, Group Design Chief of Power Supplies

Power supply for the system modeling the influence of optical radiation from nuclear explosion on substances.
Resonant topology based power supplies for gas discharge lamps and lasers: Argon Laser PS 12kW modular structure; CW solid state laser PS 12kW; short arc xenon lamps PS 1kW and 3kW - modular structure; Power Supply for Pulse mode xenon lamp 1000Hz, 1kW; pulse solid state laser power supply with built in pulse forming network 2kJ/sec.

Academic and Professional Affiliations

Institute of Chemistry of Academy of Science of Tajikistan, Junior Research Worker.

Development of new optical methods for registration of super low concentration of metals in solutions.

Institute of Chemical Physics, Russian Federation, Chernogolovka, Moscow. Post Graduate Researcher; Photophysics and photochemistry of the excited states of dyes and electron phototransfer processes.
Tajik State University, Dushanbe Tajikistan, Junior Researcher, Power Supply Design.
Senior Member of IEEE

Languages

Publications and Patents

Ph.D., Applied Physics, Moscow State University, Moscow, Russian Federation

M.S., Physics, Honor Diploma, Tajik State University, Dushanbe, Tajikistan

Thesis: New Optical Method of Investigation of Fast Photochemical Reactions