Title :
Temperature dependence of SH-APM delay-lines on quartz: design rules for (bio)chemical sensors
Author :
DÉjous, Corinne ; RebiÈre, Dominique ; PistrÉ, Jacques ; Planade, Roger
Author_Institution :
Bordeaux I Univ., Talence, France
Abstract :
In this paper, we propose new results in the case of SH-APM delay-lines on quartz substrate. These modes propagate at discrete frequencies that are defined in the case of free surfaces. We describe in detail the SH-APM, its propagation characteristics and its responses to temperature variations in order to design biochemical sensors; theoretical studies of temperature dependence are examined and experimental results with various frequency modes for different plate geometries are presented. They show the frequency-temperature sensitivities
Keywords :
surface acoustic wave delay lines; SH-APM delay-lines; SiO2; biochemical sensor design rules; discrete frequencies; free surfaces; frequency-temperature sensitivities; interdigital transducers; propagation characteristics; quartz substrate; responses to temperature variations; shear horizontal acoustic plate mode; temperature dependence;
Conference_Titel :
European Frequency and Time Forum, 1996. EFTF 96., Tenth (IEE Conf. Publ. 418)
Conference_Location :
Brighton
Print_ISBN :
0-85296-661-X
DOI :
10.1049/cp:19960035