エッチング法によって形成されたGTカット水晶振動子の周波数温度特性の解析

概要

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This paper describes the frequency temperature characteristics of a GT-cut quartz crystal resonator with the supporting portions at both ends formed by an etching method. It was reported that the GT-cut quartz crystal resonator is excellent in frequency temperature characteristics as well as the conventional GT plate, and available for consumer products and communication equipment. In this paper, a further theoretical analysis concerning frequency temperature characteristics of the previously proposed GT-cut quartz crystal resonator, has been made. Consequently, first, relationships of a frequency constant vs. a mass ratio, frequency temperature coefficients vs. cut angles, a dimensional ratio, and a mass ratio are clarified. Finally, an example of frequency temperature characteristics is shown.
1988-03-20