Porous ceramic seals and method of making same

Details Porous ceramic seals and method of making same Porous ceramic seals and method of making same

1976-04-15

1978-02-21

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

291568R, 29423, 29458, 228120, 228122, 427423, 428545, 428610, 428621, B05D 306

Patent

active

040753646

ABSTRACT:
A ceramic-metal composite laminate capable of exposure to high temperature differentials without damage, consisting of an inner ceramic layer, an outer metal layer and an intermediate interface layer of a low modulus metallic low density structure having a high melting point. The ceramic layer is secured to the low modulus structure directly or through an intermediate ceramic-metal composite, and the outer metal layer is brazed to the intermediate low modulus layer. Thermal strains caused by a temperature differential between the inner and outer layers are taken up without harmful effect by the intermediate low modulus layer.

REFERENCES:
patent: 3053694 (1962-09-01), Daunt et al.
patent: 3413136 (1968-11-01), Emanuelson et al.
patent: 3526593 (1970-09-01), Levinstein

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