Printed dose-recording tag based on organic complementary circuits and ferroelectric nonvolatile memories

Details

Event Scientific Reports

Authors

Tse Nga Ng
Krusor, Brent S.
Kor, S.
Janos Veres
Technical Publications
August 21st 2015
We have demonstrated a printed electronic tag that monitors time-integrated sensor signals and writes to nonvolatile memories for later readout. The tag is additively fabricated on flexible plastic foil and comprises a thermistor divider, complementary organic circuits, and two nonvolatile memory cells. With a supply voltage below 30 V, the threshold temperatures can be tuned between 0 C and 80 C. The time-temperature dose measurement is calibrated for minute-scale integration. The two memory bits are sequentially written in a thermometer code to provide an accumulated dose record.

Citation

Ng, T.; Schwartz, D. E.; Mei, P.; Krusor, B. S.; Kor, S.; Veres, J.; Broms, P.; Eriksson, T.; Wang, Y.; Hagel, O.; Karlsson, C. Printed dose-recording tag based on organic complementary circuits and ferroelectric nonvolatile memories. Scientific Reports, 5, 13457 (2015).

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