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- Title
Flexible Temperature Sensor Array Based on a Graphite-Polydimethylsiloxane Composite.
- Authors
Wen-Pin Shih; Li-Chi Tsao; Chian-Wen Lee; Ming-Yuan Cheng; Chienliu Chang; Yao-Joe Yang; Kuang-Chao Fan
- Abstract
This paper presents a novel method to fabricate temperature sensor arrays by dispensing a graphite-polydimethylsiloxane composite on flexible polyimide films. The fabricated temperature sensor array has 64 sensing cells in a 4 × 4 cm2 area. The sensor array can be used as humanoid artificial skin for sensation system of robots. Interdigitated copper electrodes were patterned on the flexible polyimide substrate for determining the resistivity change of the composites subjected to ambient temperature variations. Polydimethylsiloxane was used as the matrix. Composites of different graphite volume fractions for large dynamic range from 30 °C to 110 °C have been investigated. Our experiments showed that graphite powder provided the composite high temperature sensitivity. The fabricated temperature sensor array has been tested. The detected temperature contours are in good agreement with the shapes and magnitudes of different heat sources.
- Subjects
MICROPHONE arrays; DETECTORS; DIMETHYLPOLYSILOXANES; POLYIMIDES; ROBOT design &; construction; GRAPHITE; PHYSIOLOGICAL effects of temperature; SUBSTRATES (Materials science); ELECTRODES
- Publication
Sensors (14248220), 2010, Vol 10, Issue 4, p3597
- ISSN
1424-8220
- Publication type
Article
- DOI
10.3390/s100403597