| 摘要 |
PROBLEM TO BE SOLVED: To provide a temperature sensor, which is a temperature sensor for multipoint measurement capable of being miniaturized, inexpensive and easy to handle and has a high accuracy of measurement of temperature. SOLUTION: A temperature sensor is equipped with a lead wire 50 which reciprocates in a protective tube 20. A plurality of piezoelectric resonators 40, which have mutually different temperature characteristics, are connected to the lead wire in series or in parallel. The piezoelectric resonators 40 are accommodated in a ceramic container 30. The piezoelectric resonators 40 are formed of a single crystal composed of lanthanum, gallium, tantalum, aluminum and oxygen. COPYRIGHT: (C)2012,JPO&INPIT |
