Polymeric capacitive transducers and arrays for gas coupled operation

O'Leary, Richard and Harvey, Gerald (2014) Polymeric capacitive transducers and arrays for gas coupled operation. In: IEEE 2014 International Ultrasonics Symposium, 2014-09-03 - 2014-09-06, Hilton. (In Press)

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Abstract

This paper describes a facile approach for the manufacture of capacitive transducers based on micropatterning of polymer substrates. The process affords independent control of cavity depth, lateral dimensions and spatial distribution. The manufacture of air-coupled devices is guided by PZFlex modeling based on the range cavity dimension available from the method. Single element devices, operating at 500kHz, exhibit transducer bandwidths in excess of 100% and two-way insertion loss of 62dB being typical. Laser vibrometery confirms uniform surface dilation of the excited. PZFlex, configured with MPI parallelization scheme, has been used to assess linear array performance inter-element cross talk is minimal and observed to be 21dB.

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  Item type:	Conference or Workshop Item(Paper)
  ID code:	49241
  Dates:	Date Event 2014 Published 2014 Accepted
  Notes:	(c) 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering Technology and Innovation Centre > Sensors and Asset Management
  Depositing user:	Pure Administrator
  Date deposited:	15 Sep 2014 13:19
  Last modified:	09 Apr 2024 06:01
  Related URLs:	Event
  URI:	https://strathprints.strath.ac.uk/id/eprint/49241