Brazing slurry

Details Brazing slurry Brazing slurry

1978-10-26

1979-12-18

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 125, 106193J, 106193M, 148 24, 148 28, C23C 112, B23K 3534

Patent

active

041792971

ABSTRACT:
A composition for a brazing slurry which will form solid connections below 1600.degree. C. The composition comprises, by weight, about 15% to 16.5% fine particle tungsten; about 5% to 6% calcium oxide; about 4% to 5% silicon dioxide; about 6% to 7% aluminum oxide; and about 67% to 70% of an organic binder.
The composition is well suited to attaching leads to metallized patterns formed on ceramic substrate and can also be employed as the pattern forming material. When employed in electron discharge devices as a means of forming cathode and/or heater configurations, and for attaching leads thereto, the material is resistant to heater-cathode leakage.

REFERENCES:
patent: 3623921 (1971-11-01), Behringer et al.
patent: 3762965 (1973-10-01), Amin et al.
patent: 3832242 (1974-08-01), Cuthbert

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