Thick film silver compositions for silver terminations for reduc

Details Thick film silver compositions for silver terminations for reduc Thick film silver compositions for silver terminations for reduc

1980-02-12

1983-08-23

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

Free metal containing

252518, 252519, 252520, 252521, 252 623BT, 357 10, 501 22, H01B 106

Patent

active

044003102

ABSTRACT:
Thick film silver compositions, containing silver powder, glass and certain inorganic materials, useful for silver terminations for reduced barium titanate (RBT) capacitors, are provided. The inorganic materials or their precursors contain ions capable of substituting into the BaTiO.sub.3 lattice, existing as surface layers on the RBT bodies, or grains therein, to produce (Ba.sub.1-x M.sub.x ') (Ti.sub.1-y M.sub.y ")(O.sub.3-z A.sub.z) where x<1, y<1, and z<0.1. When terminated with these thick film silver compositions, RBT capacitors have excellent dielectric properties.

REFERENCES:
patent: 4051074 (1977-09-01), Asada
patent: 4090009 (1978-05-01), Horowitz
patent: 4096098 (1978-06-01), Umeya et al.
patent: 4098949 (1978-07-01), Kosiorek
patent: 4101454 (1978-07-01), Kulevichi et al.
patent: 4101710 (1978-07-01), Marcus
patent: 4160227 (1979-07-01), Okegami et al.
patent: 4271236 (1981-07-01), Addieco
patent: 4347167 (1982-08-01), Payne et al.

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