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J. Korean Ceram. Soc. > Volume 25(4); 1988 > Article
Journal of the Korean Ceramic Society 1988;25(4): 309.
Pb(Sn1/2Sb1/2)O3-PbTiO3계 소결체의 직경변화가 공진 및 필터특성에 미치는 영향
임진호, 조상희1
동양화학(주) 중앙연구소
1경북대학교 재료공학과
Effect of Size of Sintered Body on Resonant and Filter Characteristics in Pb(Sn1/2Sb1/2)O3-PbTiO3 Piezoelectric Ceramics
ABSTRACT
In this study, the effect of the size of sintered body on resonant and filter characteristics in Pb(Sn1/2Sb1/2)O3-PbTiO3 piezo-electric system were investigated. The attenuation characteristics of ring-dot type and ladder type filter were also investigated. As the size of sintered body was decreased, the resonant characteristic(Fr, Fa) and the center frequency(Fo) were increased. As the poling field was increased, the Kp and bandwidth were increased. The big difference between rign-dot type and ladder type was the sharpness of bandwidth, selectivity and the movement of center frequency.
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