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

Technical Consultant #1496


Expertise

  • 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.

Experience

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

  • New RF generator for electro surgical applications.
  • Lasers and laser design for arthroscopic procedures.

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.
  • Eesign 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

  • High Voltage Power Supplies for gas discharge lasers ( CO2, HeNe).
  • Power factor corrector for the 1.5kW Argon Laser.
  • Low noise soft switching topologies.

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.

Honors & Publications

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

  • English, Russian, Hebrew

Publications and Patents

  • Many publications
  • 5 Patents

Education

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

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