An RTD having a thin film HfN resistor formed on a substrate for temperature detection in accordance with the resistance of the HfN resistor. The RTD is a two lead device having high accuracy and a wide temperature range from 20 to 1400 degrees Kelvin. The substrate has bonding pads or contact strips...http://www.google.se/patents/US6354736?utm_source=gb-gplus-sharePatent US6354736 - Wide temperature range RTD
