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INTEGRATED SEMICONDUCTOR TECHNOLOGY FOR AN ELECTRONIC NOSE

INTEGRATED SEMICONDUCTOR TECHNOLOGY FOR AN ELECTRONIC NOSE Over the past ten years there has been significant interest in the application of sensor arrays to discriminate between odorous mixtures. Such a system could have numerous uses in fields as diverse as agriculture, foodstuffs, brewing, perfumery and air quality measurement. At present, progress is limited by the sensor technology. To date, most of the research undertaken has been centred around the commercially available Taguchi Gas Sensor TGS range. These devices consist of a thickfilm tin oxide layer, the conductance of which is modulated upon exposure to a range of flammable materials. This can only occur when the sensor is operated at temperatures in the region 300700C. These devices are also bulky and have high power consumptions 0.9W at 300C. This makes them unsuitable for remote field applications requiring battery supplies, particularly when there are a large number of sensors in the array. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Sensor Review Emerald Publishing

INTEGRATED SEMICONDUCTOR TECHNOLOGY FOR AN ELECTRONIC NOSE

Corcoran, Paul
Sensor Review , Volume 12 (3): 4 – Mar 1, 1992
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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0260-2288
DOI
10.1108/eb007881
Publisher site
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Abstract

Over the past ten years there has been significant interest in the application of sensor arrays to discriminate between odorous mixtures. Such a system could have numerous uses in fields as diverse as agriculture, foodstuffs, brewing, perfumery and air quality measurement. At present, progress is limited by the sensor technology. To date, most of the research undertaken has been centred around the commercially available Taguchi Gas Sensor TGS range. These devices consist of a thickfilm tin oxide layer, the conductance of which is modulated upon exposure to a range of flammable materials. This can only occur when the sensor is operated at temperatures in the region 300700C. These devices are also bulky and have high power consumptions 0.9W at 300C. This makes them unsuitable for remote field applications requiring battery supplies, particularly when there are a large number of sensors in the array.

Journal

Sensor Review – Emerald Publishing

Published: Mar 1, 1992

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