Radio Frequency Micromachined Devices and Circuits over Microwave to THz Regime

#device #micromachining #machining #microwave-devices #passive-circuits #antenna
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When Radio Frequency Microelectromechanical System (RF MEMS) based switches
appeared more than 30 years ago, micromechanics has attracted huge attention for
enabling near-ideal microwave devices. Since then, MEMS switches and MEMS-switch
based devices and circuits went through different development stages and are currently
proving themselves commercially. But micromachining can do much more than "just"
MEMS switches for planar transmission-line technology.
This talk gives an overview of micromachining capability and examples of innovative
microwave devices enabled by this technique, developed and extensively characterized
over microwave to THz regime. It includes most of the passive circuits in transceiver like
switching networks, phase shifter, filters, and antenna. Then, the state-of-the-art of
micromachined waveguide system enable operation over sub-millimetre range including
W-band phase shifters, tuneable capacitors and couplers. Finally, the potential of
MEMS based tuneable meta-surfaces is outlined as one of the key solutions for THz
applications.



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  • IIT ISM DHANBAD
  • Sir J C Bose Hall, 6th Floor, Academic Complex
  • dhanbad, Jharkhand
  • India 826004
  • Building: Sir J C Bose Hall, 6th Floor, Academic Complex

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  • Starts 02 April 2026 06:30 PM UTC
  • Ends 06 April 2026 06:30 PM UTC
  • No Admission Charge


  Speakers

Dr. Sukomal Dey of Indian Institute of Technology Palakkad, Kerala, India.

Topic:

Radio Frequency Micromachined Devices and Circuits over Microwave to THz Regime

When Radio Frequency Microelectromechanical System (RF MEMS) based switches
appeared more than 30 years ago, micromechanics has attracted huge attention for
enabling near-ideal microwave devices. Since then, MEMS switches and MEMS-switch
based devices and circuits went through different development stages and are currently
proving themselves commercially. But micromachining can do much more than "just"
MEMS switches for planar transmission-line technology.
This talk gives an overview of micromachining capability and examples of innovative
microwave devices enabled by this technique, developed and extensively characterized
over microwave to THz regime. It includes most of the passive circuits in transceiver like
switching networks, phase shifter, filters, and antenna. Then, the state-of-the-art of
micromachined waveguide system enable operation over sub-millimetre range including
W-band phase shifters, tuneable capacitors and couplers. Finally, the potential of
MEMS based tuneable meta-surfaces is outlined as one of the key solutions for THz
applications.

Biography:

Sukomal Dey received Ph.D. degree from the Centre for Applied Research
in Electronics, Indian Institute of Technology Delhi, New Delhi, India, in July
2015. From August 2015 to July 2016, he was a Project Scientist with
Industrial Research and Development Centre, IIT Delhi, and also worked on
a collaborative research project supported by Synergy Microwave Corp.,
Paterson, NJ, USA. From August 2016 to June 2018, he was with Radio
Frequency Microsystem Lab, National Tsing Hua University, Taiwan, as a
Post-doctorate Research Fellow. Dr. Dey served as an Assistant Professor
from June, 2018 to June 2023, and since June 2023, he has been an
Associate Professor with the Department of Electrical Engineering, Indian Institute of Technology
Palakkad, Kerala, India. For his M.Tech. dissertation (one year), he was with Central Electronics
Engineering Research Institute, Pilani, India, in 2009. He has authored or co-authored more than 150
research papers, three state-of-the art books, three book chapters, 8 granted patents (3 US and 5 Indian)
and filed 11 patents. His research interests include electromagnetic metamaterial structures, frequency
selective surfaces, microwave imaging, and microwave-integrated circuits, including antennas and
RFMEMS.
Dr. Dey was the recipient of the Postgraduate Student Award from the Institute of Smart Structure and
System, Bangalore, India, in 2012, Best Industry Relevant Ph.D. Thesis Award from the Foundation for
Innovation in Technology Transfer, IIT Delhi, in 2016, Distinction in Doctoral Research – 2016 from IIT
Delhi, Postdoctoral Fellow Scholarships from the Ministry of Science and Technology, Taiwan, in 2016
and 2017, respectively, Early Career Research Award from the Science and Engineering Research Board
(SERB), Government of India, in 2019, Smt. Ranjana Pal Memorial Award (2021) from the Institution of
Electronics and Communication Engineers, ‘Technology Translation Award - 2023’ from the SERB, India
and several best paper awards with his students from national and international IEEE conferences. His
students received IEEE Antennas and Propagation Society (AP-S) Fellowship in 2022 and 2023,
respectively. He has been inducted in the technical committee 4 and 6 of the IEEE MTT Society. Dr. Dey
is also serving as the Speaker’s Bureau in IEEE-MTTS ‘RF MEMS and Microwave Acoustics Committee’

(TC-4) since July-2024. Dr. Dey is the Senior member of IEEE and current Chairman of the IEEE-APs
society, Kerala chapter. Dr. Dey is a Fellow of IETE, India and Associate editor of IETE-Journal of
Research, Taylor and Francis.

Email:

Address:Department of Electrical Engineering, Indian Institute of Technology Palakkad, Kerala, India., , Palakkad, India, 678557