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

Details

Event

Scientific Reports

2015-08-21

Speakers

Tse Nga Ng
Krusor, Brent S.
Kor, S.
Janos Veres
Event

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

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.

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