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Richard (C.-Y.) Lai Dr. Richard Lai received his Ph.D. in Mechanical Engineering from the University of Pittsburgh, PA, in 1985. He received his M.S. also in Mechanical Engineering from Clemson University, Clemson SC in 1981. He obtained B.S. in Naval Architectural and Marine Engineering at Cheng Kung University, Taiwan in 1975. Since 1996, Dr. Lai has been the Director of Research and Development at Novaflux Technologies. He is responsible for new product development and engineering testing of products based on the two-phase cleaning process developed by Novaflux Technologies. His activities include design and engineering of new devices in dental waterlines, endoscopy, membranes, dental handpieces, and other related devices and industrial systems. His activities also include new packaging and manufacturing process designs that will be applied in final products. Dr. Lai is co-inventor of the two-phase flow cleaning method initially developed by Novaflux. He is also involved in many key-supporting tasks at Novaflux Technologies. From 1992 to 1996, Dr. Lai was Principal Engineer and project leader at the Ohaus Corporation responsible for the development of new products. He was responsible for conceptual design of plastic housing and mechanical parts, manufacturing process review, rapid prototyping (SLA), low profile transducer development (200g ~ 6kg) and the development of final assembly methods. Other responsibilities included: document release, vendor interface, ISO-related project management and design control, scheduling, cost control, engineering change and manufacturing interface. Dr. Lai was Member of Technical Staff at the David Sarnoff Research Center from 1985 to December 1992. He was responsible for mechanical design, structural analysis, thermal management, and CAE/CAD/CAM applications in advanced technology areas. He was involved in product quality improvement by coordinating mold design and fabrication, optimizing process conditions and material selection. He was also responsible for engineering tests that led to state-of-the-art products. He designed and developed flow systems and high-intensity liquid/air coolers used for optoelectronic devices that dissipate heat up to 400 watts/cm 2. PUBLICATIONS: 1. Lai, C.-Y., Rajagopal, K. R. and Szeri, A. Z., “Asymmetric flow between parallel rotating disks,” J. Fluid Mechanics, 146, pp. 203-225, 1984. 2. Lai, C.-Y., Rajagopal, K. R. and Szeri, A. Z., “Asymmetric flow above a rotating disk,” J. Fluid Mechanics, Vol. 157, pp. 471-492, 1985. 3. Szeri, A. Z. and Lai, C.-Y., “Swirling flow above a rotating disk,” Mathematics applied to fluid mechanics and stability,” RPI Sept. 1985. 4. Szeri, A. Z., Lai, C.-Y. and Kayhan, A. A., “Rotating disk with uniform suction streaming flow,” Int. J. Numerical Methods in Fluids, Vol. 6, pp. 175-196, 1986. 5. Chen, I.-J., Palit, and Lai, R., “Experimental and material factors to consider in the verification of CAE injection molding filling software,” 1989 ASME Annual Winter Meeting, San Francisco, CA, Dec. 1989. 6. Evans, G. A., et al. “Characteristics of coherent two-dimensional grating surface emitting diode laser arrays during CW operation,” IEEE Journal of Quantum Electronics, Vol. 27, No. 6, June 1991. 7. Carrol, C. and Lai, C.-Y., “High intensity heat exchanger system,” US 5070936, 1991. 8. Labib, M.E., Williams, H. N., Lai, R. and Singh, R., “A technology for the removal and control of biofilm in dental unit tubing - preliminary microbiological evaluation,” 1997 OSAP Annual Symposium, Portland, Oregon. 9. Labib, M.E., Williams, H. N., Lai, R. and Singh, R., “Removal of biofilm in dental unit tubing by turbulent flow,” 1998 AADR 27’th Annual Meeting, Minneapolis, Minn. 10. Labib, M. E. and Lai, C.-Y., “Cleaning method for removing biofilm and debris from lines and tubing,” US Patent No. 6,027,572, Feb. 22, 2000. 11. Labib, M. E. and Lai, C.-Y., “Cleaning composition and apparatus for removing biofilm and debris from lines and tubing and method therefor,” US Patent No. 6,326,340B1, Dec. 4, 2001, WO9858632. 12. Singh, R., Lai, R., Tabani, Y., Weitzel, S. A., Williams, H. N. and Labib, M. E., “Biofilm removal from dental unit waterlines with a novel method based on turbulent two-phase flow dynamics,” (in preparation), 2002. 13. Labib, M. E., Lai, C.-Y., Materna, P. A., and Mahon, G. L., “Method of cleaning passageways using a mixed phase flow of a gas and a liquid,” US Patent (allowed), 2002. e-mail: lai@novaflux.com
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