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Full-Text Articles in Electrical and Computer Engineering
Sensors: A Novel Lateral Field Excited Acoustic Wave Sensor For Chemical And Biological Agents, John F. Vetelino, David Frankel, Carl Tripp, Paul J. Millard
Sensors: A Novel Lateral Field Excited Acoustic Wave Sensor For Chemical And Biological Agents, John F. Vetelino, David Frankel, Carl Tripp, Paul J. Millard
University of Maine Office of Research Administration: Grant Reports
Sensors for the sensitive and selective detection of chemical agents and a biological agent are being developed. The sensor structure consists of a piezoelectric platform that is coated with a film that selectively sorbs a chemical or biological agent of interest. The sensitivity of the sensor is embodied in the sensor platform, which consists of a quartz crystal that is excited by a lateral electric field. The exciting electrodes are placed opposite to the sensing surface, and the sensing film is attached directly to the sensor platform. This arrangement is in contrast to the standard quartz microbalance (QCM), where the …
Career: Acoustic Wave Filters For High Frequency Wireless Communication Applications, Mauricio Pereira Da Cunha
Career: Acoustic Wave Filters For High Frequency Wireless Communication Applications, Mauricio Pereira Da Cunha
University of Maine Office of Research Administration: Grant Reports
Expanding commercial and military applications crowd the wireless communications frequency band, creating a critical need to expand the band to higher frequencies. The application of newly discovered high velocity pseudo surface acoustic waves (HVPSAWs), has the potential of satisfying the high frequency requirements of the next generation of wireless communications.
This CAREER proposal involves an integrated research and education plan for high radio frequency (RF) microwave acoustic devices. The research objective is to identify piezoelectric materials and specific orientations in which HVPSAWs exist, and to design, fabricate, and test prototype HVPSAW filters. Specific research tasks are: (i) search for piezoelectric …