Heterophasic ceramic composition

Details Heterophasic ceramic composition Heterophasic ceramic composition

1979-03-26

1980-08-19

McCarthy, Helen M.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

106 46, 106 49, 106 53, 106 7331, 252520, 264 56, C04B 3500, C04B 3546

Patent

active

042187230

ABSTRACT:
Liquid phase sintering of a mixture comprising a major amount of barium titanate and a minor amount of a lead germanate composition at temperatures in the range of from about 750.degree. to about 1050.degree. C. provides a heterophasic ceramic body of high dielectric constant and strength, and low dissipation factor. Consequently, relatively inexpensive low melting point metals such as silver and copper can be utilized as electrodes in the fabrication of monolithic multi-layer capacitors.

REFERENCES:
patent: 1607817 (1926-11-01), Dennis
patent: 3577487 (1971-05-01), Sanchez et al.
patent: 3977887 (1976-08-01), McIntosh
patent: 4066426 (1978-01-01), Maher
patent: 4158219 (1979-06-01), Payne et al.
Rawson, H., Inorganic Glass-Forming Systems,pub. 1967, Academic Press, N.Y., p. 178.
Rusinko, "Dielectric Mixing in the PLZT-Pb.sub.5 Ge.sub.3 O.sub.11 System," Thesis Penn. State College of Earth & Mineral Sciences, May, 1975, pp. 3, 5, 10.

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