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Towards a wireless microsystem for liquid analysis
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UNSPECIFIED (2004) Towards a wireless microsystem for liquid analysis. In: IEEE Sensors 2004 Conference, Vienna Univ Technol, Vienna, AUSTRIA, OCT 24-27, 2004. Published in: PROCEEDINGS OF THE IEEE SENSORS 2004, VOLS 1-3 pp. 919-922. ISBN 0-7803-8692-2. ISSN 1930-0395.
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Abstract
This paper describes both semi-wireless and wireless (433 MHz) liquid sensing systems based upon dual shear horizontal surface acoustic wave (SH-SAW) devices and introduces a novel design concept and a novel principle of detection. Each system comprises an uncoated passive SH-SAW device, a liquid microcell, a device antenna and an associated signal processing unit. The LiTaO3-based SH-SAW sensors have dual delay line configurations with different path lengths and the principle of detection being the attenuation and time delay between the signals. The sensors have no bio-chemical selective layer making them non-specific but create a robust/durable and low-cost system. This sensing system may be applied in the food/beverage industry, medical applications; a functionalized coating can be added for more specific biological application.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
Series Name: | IEEE Sensors | ||||
Journal or Publication Title: | PROCEEDINGS OF THE IEEE SENSORS 2004, VOLS 1-3 | ||||
Publisher: | IEEE | ||||
ISBN: | 0-7803-8692-2 | ||||
ISSN: | 1930-0395 | ||||
Editor: | Rocha, D and Sarro, PM and Vellekoop, MJ | ||||
Official Date: | 2004 | ||||
Dates: |
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Number of Pages: | 4 | ||||
Page Range: | pp. 919-922 | ||||
Publication Status: | Published | ||||
Title of Event: | IEEE Sensors 2004 Conference | ||||
Location of Event: | Vienna Univ Technol, Vienna, AUSTRIA | ||||
Date(s) of Event: | OCT 24-27, 2004 |
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