Temperature compensated solidly mounted resonators with thin SiO2 layers

Autor: Robert Thalhammer, Doris Schmitt-Landsiedel, Werner Weber, Jyrki Kaitila, Mohamed Abd Allah
Rok vydání: 2009
Předmět:
Zdroj: 2009 IEEE International Ultrasonics Symposium.
Popis: Temperature compensation is becoming more and more a high demand for RF filters in order to successfully meet the tightening specifications over a wide range of temperatures. We show our results on temperature compensation by adding thin SiO 2 layers at high stress regions inside the resonator. We examine the effect of adding the SiO 2 layer on the resonators properties and we extract an accurate value to the temperature coefficient of stiffness of thin film SiO 2 .
Databáze: OpenAIRE