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Wireless passive radiation sensor

United States Patent

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8,596,862
December 3, 2013
View the Complete Patent at the US Patent & Trademark Office
Wireless Passive Radiation Sensor
A novel measurement technique is employed using surface acoustic wave (SAW) devices, passive RF, and radiation-sensitive films to provide a wireless passive radiation sensor that requires no batteries, outside wiring, or regular maintenance. The sensor is small (<1 cm.sup.2), physically robust, and will operate unattended for decades. In addition, the sensor can be insensitive to measurement position and read distance due to a novel self-referencing technique eliminating the need to measure absolute responses that are dependent on RF transmitter location and power.
13/ 540,465
July 2, 2012
374/117 374/E11.011
G01K 11/26 (20060101)
Search:</B></TD><TDALIGN="RIGHT"VALIGN="TOP"WIDTH="70%">;374/117-120,110,137,184,187,208,E11.011
STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under contract no. DE-AC04-94AL85000 awarded by the U.S. Department of Energy to Sandia Corporation. The Government has certain rights in the invention.