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IBM Journal of Research and Development  
Volume 11, Number 5, Page 511 (1967)
Nontopical Issue
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Multiple-Curie-Point Capacitor Dielectrics

by R. A. Delaney, H. D. Kaiser
This paper reports an experimental study of the preparation of screened printed dielectric materials having high dielectric constants and a controlled temperature characteristic. The technique uses mixtures of sintered bodies which have different Curie points and which retain their identity after processing. Barium-strontium and barium-lead titanate mixtures have been prepared having a dielectric constant of about 500. This process has been used to produce negative-positive-zero, negative, and positive thermal coefficient bodies over various temperature ranges.
Related Subjects: Dielectrics