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Proceedings Paper

Additive printing of organic complementary circuits for temperature sensor tag
Author(s): Tse Nga Ng; Ping Mei; David E. Schwartz; Sivheng Kor; Brent Krusor; Janos Veres; Per Bröms; Torbjörn Eriksson; Yong Wang; Olle Hagel; Christer Karlsson
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Paper Abstract

With the recent improvements in printed devices, it is now possible to build integrated circuit systems out of printed devices. The combination of sensor, logic, and rewritable memory will greatly enhance the functionalities of printed electronics. We have demonstrated integrated sensor tags based on organic complementary circuits patterned by inkjet printing. One example is a temperature threshold sensor tag, wherein if the thermistor temperature exceeds a pre-set threshold, the control circuit generates a pulse to write into a nonvolatile ferroelectric memory cell. The trigger temperature is set by adjusting the bias voltage across the thermistor bridge to match the trigger voltage of the printed threshold circuit, and the threshold temperatures has been tuned between 8 °C and 45 °C with a bias voltage below 30V.

Paper Details

Date Published: 17 September 2015
PDF: 6 pages
Proc. SPIE 9569, Printed Memory and Circuits, 956909 (17 September 2015); doi: 10.1117/12.2186051
Show Author Affiliations
Tse Nga Ng, Palo Alto Research Ctr. (United States)
Ping Mei, Palo Alto Research Ctr. (United States)
David E. Schwartz, Palo Alto Research Ctr. (United States)
Sivheng Kor, Palo Alto Research Ctr. (United States)
Brent Krusor, Palo Alto Research Ctr. (United States)
Janos Veres, Palo Alto Research Ctr. (United States)
Per Bröms, Thin Film Electronics AB (Sweden)
Torbjörn Eriksson, Thin Film Electronics AB (Sweden)
Yong Wang, Thin Film Electronics AB (Sweden)
Olle Hagel, Thin Film Electronics AB (Sweden)
Christer Karlsson, Thin Film Electronics AB (Sweden)

Published in SPIE Proceedings Vol. 9569:
Printed Memory and Circuits
Emil J. W. List Kratochvil, Editor(s)

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