Temperature sensor for e.g. surface acoustic wave device, has resonators with transducers constituted of inter-digital electrodes, where control buses of one transducer are inclined at non-zero angle with respect to normal of electrodes

摘要

The sensor has two resonators including transducers constituted of inter-digital electrodes. Control buses (B21, B22) of one transducer are inclined at a non-zero angle with respect to a normal of the respective electrodes for controlling the difference of energy flow of acoustic waves with respect to direction of propagation of surface acoustic waves along the same transducer. An independent claim is also included for a temperature and pressure measuring device including a temperature sensor.