PbTiO3 CERAMIC RESONATORS OPERATING IN VHF BAND.

被引：0
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作者：
Nagata, Takashi
Nakajima, Yasuo
Sasaki, Reiichi
机构：
来源：
Electronics and Communications in Japan (English translation of Denshi Tsushin Gakkai Zasshi) | 1972年 / 55卷 / 07期
关键词：
CERAMIC MATERIALS - Piezoelectric - PIEZOELECTRIC MATERIALS;
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摘要：
Unwanted modes associated with the resonance to be utilized must be suppressed in electromechanical filters. Resonant-frequency spectra of the thickness modes of a PbTiO//3 ceramic disk are measured and compared with those obtained by the theory of elasticity for a homogeneous disk. Edge modes corresponding to those given by the theory are observed. it is found that the resonant frequencies of the thickness modes of the disk converge to a frequency lower than the cutoff frequency of the thickness-shear modes of even order.
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页码：93 / 98
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