Method for making a ceramic intergranular barrier-layer capacito

Details Method for making a ceramic intergranular barrier-layer capacito Method for making a ceramic intergranular barrier-layer capacito

1982-01-15

1983-08-09

Lusignan, Michael H.

Coating processes

Electrical product produced

Condenser or capacitor

427 87, 427 88, 357 10, B05D 512

Patent

active

043978860

ABSTRACT:
A donor modified strontium titanate formulated to become conductive when sintered in air, is further modified with a minute quantity of manganese and sintered to maturity in a nitrogen atmosphere. A paste including silver particles, and oxides of bismuth and copper is applied to two major portions of the body. The coated body is heated at about 920.degree. C. to oxidize the grain boundaries and to form silver electrodes tightly adhered to the body.

REFERENCES:
patent: 3074804 (1963-01-01), Planer
patent: 3299332 (1967-01-01), Saburi
patent: 3419758 (1968-12-01), Hayakawa et al.
patent: 3569802 (1971-03-01), Brauer
patent: 3933668 (1976-01-01), Takahashi et al.
patent: 4311729 (1982-01-01), Itakura et al.
Nishimura et al, Proceedings of the Jap. Conf. on Materials Research 1969, vol. 12, pp. 207-208.

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