Liquid Leakage Thin Film-Tape Sensor

A liquid leakage sensor on adhesive tape with alarming function has been developed. The film sensor tape consists of three layers: a base film layer, a substrate film layer, and a protective film layer. Three conductive lines and one resistive line are printed on the substrate film layer with a nano...

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Bibliographic Details
Published in:IEEE sensors journal 2012-06, Vol.12 (6), p.2048-2051
Main Authors: Hong-Keun Yu, Kyung-Shin Kim, Gook-Hee Han, Dong-Keun Yu, In Tae Kim, Kim, S., Guangsup Cho
Format: Article
Language:English
Subjects:
Accuracy
Electrical resistance measurement
Electronics
Leakage
Liquid leak
liquid sensor
Liquids
Meters
Nanostructure
Position (location)
Printing
Resistance
sensor systems and applications
Sensors
Silver
thin film sensors
Thin films
Voltage measurement
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Description
Summary:A liquid leakage sensor on adhesive tape with alarming function has been developed. The film sensor tape consists of three layers: a base film layer, a substrate film layer, and a protective film layer. Three conductive lines and one resistive line are printed on the substrate film layer with a nano-sized silver conductive ink by the electronic gravure printing method. The location of liquid leakage has been found to be monitored accurately by applying the pulse voltage to the conductive and resistance lines in a periodic polarity switching mode. The leakage tests for various electrolyte liquids have been performed and the accuracy of leakage error position has been achieved to be about 0.25% on 200 meter long tape length.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2011.2181159