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Seminar: Radio Frequency (RF) Micro-Electro-Mechanical Systems (MEMS) and Devices

Dr. Nima Ghalichechican, The Ohio State University
Tuesday, September 19, 2017, 12:00 pm to 1:00 pm
E100 Scott Lab
201 W. 19th Ave.
Columbus, OH 43210

An overview of research activities in the area of RF micro-electro-mechanical-systems (MEMS) is presented. After brief introduction to MEMS, current research projects at OSU in the area of RF MEMS are presented. In this talk two novel reconfiguration schemes using a) mechanical (paraffin) and b) electrical (vanadium dioxide) phase-change materials are discussed. These examples include devices such as reconfigurable antennas operating at millimeter wave (e.g. 100 GHz) and sub millimeter wave (>300 GHz). Reconfigurability is a vital feature of future smart/agile systems for sensing, imaging, wireless, and satellite communications. Current projects as well as future research direction in RF microsystems are discussed.

About the Speaker:

Dr. Nima Ghalichechian is an Assistant Professor at the Department of Electrical and Computer Engineering and the ElectroScience Laboratory. He received his Ph.D. in Electrical Engineering in 2007 from University of Maryland, College Park where he developed electrostatic micromotors supported on microball bearings. From 2007 to 2012 he was with the Research Department of FormFactor Inc., Livermore, California as a Senior Principal Engineer. During this period, he helped to design and develop microsprings for advanced probe cards used in testing memory and SoC semiconductor devices. Dr. Ghalichechian joined The Ohio State University (OSU) as a Research Scientist in 2012. As a principal investigator, he has helped establishing several new programs at OSU sponsored by NSF, DARPA, and AFRL. From 2016-2017, he held a Research Assistant Professor position at ECE. His research interests are in the area of RF microsystems. He is currently principal investigator of the RF Microsystems Laboratory located at the ElectroScience Laboratory.

Hosted by Professor Hanna Cho