A thermal-diffusivity-based temperature sensor with an untrimmed inaccuracy of ±0.2°c (3s) from -55°c to 125°c. - Caspar P. L. van Vroonhoven; Dan d'Aquino; Kofi A. A. Makinwa (ISSCC, 2010)

A ±0.4°C (3σ) -70 to 200°C time-domain temperature sensor based on heat diffusion in Si and SiO2. - Caspar P. L. van Vroonhoven; Dan d'Aquino; Kofi A. A. Makinwa (ISSCC, 2012)