Past Technical Presentations

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“Evaluation of Surface Charge Density with Electrostatic Voltmeter – Measurement Geometry Consideration” , a paper co-authored by Trek’s Apra Pandey and Maciej Noras from the University of North Carolina at Charlotte, was presented at the 2008 IEEE Industrial Applications Society Annual Meeting on Tuesday, October 7, 2008 (Session 22), in Edmonton, Alberta, Canada.
Meeting Information

"An Analysis on both Voltage Sensitivity and High Spatial Resolution with a New Electrostatic Voltmeter Having Extremely High Input Impedance" was presented by Trek’s Mr. Uehara at the Imaging Science & Technology's Digital Printing Technologies Conference (IS&T/NIP24) on Monday, September 8, 2008 during NIP Track 3 during the Photoelectronic Imaging Materials and Devices session, in Pittsburgh, Pennsylvania.
Program Information

"Considerations for CPM Measurements of Fast Switching Ionizers” was presented by Trek at the 2008 Electrical Overstress/Electrostatic Discharge Symposium (EOS/ESD) on Tuesday, September 9, 2008 during Session 2B, in Tucson, Arizona.
View Paper

Trek sponsored the Intelligent Sensors and Actuators Symposium at the 2008 Earth & Space Conference held in Long Beach, California. Included in this symposium was an “Active Vibration Control Student Design Competition” which featured piezoceramic technology. A Trek piezo amplifier served as the power supply.
Symposium Information
Student Competition Results:
Graduate Design Competition Summary
Undergraduate Design Competition Summary


“High-Voltage Power Supply” was presented by Trek at the 50th ICAT/JTTAS Joint International Smart Actuator Symposium, hosted by the International Center for Actuators and Transducers, on Wednesday, October 10, 2007 in State College, Pennsylvania.
Symposium Brochure

"Monitoring of Electric Potential of Semiconductor Wafer” was presented by Trek at the 9th International Plasma-Based Ion Implantation & Deposition Workshop on September 4, 2007, during Session 4 Semiconductors, in Leipzig, Germany.
Program Information

"Air Ionizer Monitoring and Control with Sectioned Charged Plate Sensor" was presented by Trek at the Electrostatics Society of America (ESA) 35th Annual Meeting on Electrostatics on June 14, 2007, during the Measurement and Instrumentation session, in West Lafayette, Indiana. The title in the preliminary program was “Ion Balance and Density Monitoring for Air Ionizers Evaluation”.
Program Information

"An Apparatus for the Charge-to-Mass and Charge-to-Diameter Measurements on Powders " was presented by Trek at the 12th International Conference on Electrostatics 2007 on March 29, 2007 during the Powders & Aerosols Session, in Oxford, United Kingdom.
Program Information

“Electrostatic Measurements on Semiconductors” was presented by Trek at the SEMI North America Spring 2007 Standards Meeting on March 4, 2007 in Boston, Massachusetts.

"Non-Contacting Electrostatic Voltmeter for Wafer Potential Monitoring” was presented by Trek at the 2007 SPIE Advanced Lithography Conference on Monday, February 26, 2007 during the Poster Session, in San Jose, California.
Program Information

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"Performance of a Voltage and a Charge Feedback Amplifier Driving an MFC Actuator" by M. A. Noras, W. A. Maryniak, an oral presentation was given at the "5th Asian Meeting on Electroceramics (AMEC5)" held 12/10-14, 2006, in Bangkok, Thailand.

"A Charge Feedback Controller for a Piezoelectric Voltage Amplifier/Driver" by M. A. Noras, P. McAnn, J. Kieres, was accepted for a poster presentation at the "2006 MRS Fall Meeting" held 11/27-12/01, in Boston, MA.

"A Simple Instrument for Q/d/m Measurements on Powders" by M. A. Noras, an oral presentation was given at the "Control of Particulate Processes VII Conference" held 10/29 - 11/2, 2006, at the Harrison Hot Springs, BC, Canada.

"Electrostatic Measurements on Semiconductors" by M. A. Noras, a presentation at the SEMI North America Standards Meeting held October 16, 2006 1:30pm-5:30pm, Portland Marriott, Portland Oregon.

"Power Supply Systems for Driving Actuators" by M. A. Noras, a Power Point presentation at the "47th ICAT/JTTAS Joint International Smart Actuator Symposium" held October 3-4, 2006, at State College, PA.

Trek gave a presentation at the 28th Annual EOS/ESD Symposium, held Wednesday, September 13, (morning session 4B.3) in Tucson, Arizona entitled: "Trends in External Ionizer Monitoring and Control" (with ESDA Ionization committee members as co-authors).

Trek gave a presentation at the 2nd Nordic ESD Conference (International Conference on ESD), held September 5 and 6, 2006 in Karlskoga, Sweden entitled: "Surface Potential Measurements in Electrostatics - New Developments" (M. A. Noras and J. Kieres, authors with Trek Research and Development Engineer, Peter McAnn presenting).

Trek's Dr. Maciej Noras was invited to participate in a Standards Technical Education Program (STEP) session at Semicon West 2006 on July 10, 2006 at the San Francisco Marriott. At the STEP6 session entitled "Electrostatic Issues in Semiconductor Manufacturing" Dr. Noras gave a presentation: "Electrostatic Measurement Issues and SEMI 43" and participated in a panel discussion. (M. A. Noras)

M. A. Noras, J. Kieres, K. M. Mossi and K. K. Leang (done In cooperation with the Virginia Commonwealth University) "The Design of a High-Voltage Charge-Feedback Piezo Amplifier"Actuator 2006, held June 14-16, 2006 in Bremen, Germany.

M. A. Noras, J. Kieres, W. A. Maryniak "Electrostatic Voltmeter with a Piezo-Driven Cantilever Beam Sensor" Joint Meeting of the ESA, IEEE- IAS, SFE, and IEJ, held June 6-9, 2006 at the University of California, Berkeley, CA .

J. Kieres, M.A. Noras, W.A. Maryniak, "Use of a Piezo-Driven Cantilever Beam as a Sensor for Electrostatic Voltmeter“ Smart Structures and Materials/NDE SPIE 13th Annual Symposium, Feb. 26-Mar. 02, 2006, San Diego, CA

J. Beck, M.A. Noras, K. K. Leang, K. Mossi "Hysteresis Characterization using Charge Feedback Control for Lipca Actuators", Smart Structures and Materials/NDE SPIE 13th Annual Symposium, Feb. 26-Mar. 02, 2006, San Diego, CA

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M. A. Noras, W. A. Maryniak, S. Yamaguchi, "Surface Electrostatic Potential Measurement Techniques“, 2005 Taiwan ESD Conference (TESDC-2005), Nov. 14 - 16, 2005, Hsinchu, Taiwan

M. A. Noras, S. Yamaguchi, B. T. Williams, J. Kieres, “Electrometer for electrostatic potential measurements”, 2005 RCJ Meeting, Nov. 10-11, 2005, Tokyo, Japan

M. A. Noras, "Ultra high impedance voltmeter for electrostatic applications“, Industry Applications Conference, 2005 40th IAS Annual Meeting. Conference Record of the 2005 IEEE, Volume 3, 2-6 Oct., 2005, Hong Kong, p. 2194 – 2197

M. A. Noras, B. Wang, V. Nguyen, "A miniature charged plate for testing charge accumulation in hard disk drives“, Proceedings of 27th EOS/ESD Symposium, Sept. 11-16, 2005, Anaheim, California, p. 357-361

M. A. Noras, W. A. Maryniak, ”Power supply design for pulsed power plasma applications”, Proceedings of 17th International Symposium on Plasma Chemistry, Aug. 7-12, 2005, Toronto, Canada, p. 1126-1127

M. A. Noras, B. T. Williams J. Kieres, “A novel ion monitoring device”, Journal of Electrostatics, v. 63, Iss. 6-10, June 2005, p. 533-538, also presented at “Electrostatics 2005” 10th International Conference on Electrostatics, June 15-17, 2005, Helsinki , Finland

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M. A. Noras, D. M. Zacher, "Measurement of electric charges on the flowing toner with an electrostatic voltmeter“, Proceedings of IS&T's NIP:20 International Conference on Digital Printing Technologies, Oct. 31 – Nov. 5, 2004, Salt Lake City, Utah, p. 389-392

M. A. Noras, “Measurement of flowing charges with an electrostatic voltmeter”, Industry Applications Conference, 2004. 39th IAS Annual Meeting. Conference Record of the 2004 IEEE, Volume: 4 , 3-7 Oct. 2004, Seattle , Washington , p. 2714 – 2716 Available (PDF)

M. A. Noras, “Discharge times and voltage offsets for charged plates of different sizes and capacitances” Proceedings of the ESA Annual Meeting 2004, June 23-25, 2004, Rochester , New York , p. 141-149

M. A. Noras, W. A. Maryniak, C. J. Lemke, ”Surface voltage/charge measurement using a 100 µm spatial resolution electrostatic voltmeter”, Proceedings of the ESA Annual Meeting 2004, June 23-25, 2004, Rochester, New York, p. 133-140

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M. A. Noras, D. Pritchard, “Ion imbalances on the ionizer controlled work surface”, Proceedings of the 25th EOS/ESD Symposium, Sept 21-25, 2003, Las Vegas, Nevada, p. 265-270.

M. A. Noras, “Power supply for pulsed power plasma devices”, Proceedings of the ESA-IEEE Joint Meeting on Electrostatics, June 24-27, 2003, University of Arkansas, Little Rock, Arkansas, p. 739-744.

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