Brazing fillers for sealing vacuum-tight vessels, vacuum-tight v

Details Brazing fillers for sealing vacuum-tight vessels, vacuum-tight v Brazing fillers for sealing vacuum-tight vessels, vacuum-tight v

1997-03-11

1999-06-29

Dees, Jose' G.

Alloys or metallic compositions

Copper base

Titanium, zirconium or hafnium containing

420497, 420502, 420590, C22C 900

Patent

active

059165200

ABSTRACT:
The brazing filler of the present invention is excellent in wetting properties towards the open end of a ceramic cylinder and a metal sealing cap can be sealed well on the open end. The present brazing filler comprises Ag, Cu and active metal, in which the Cu-active metal compound is contained in an amount of not more than 40% by volume.

REFERENCES:
patent: 4883217 (1989-11-01), Dunn et al.
patent: 4917642 (1990-04-01), Nakahashi et al.
patent: 5407119 (1995-04-01), Churchill et al.
Howard Mizuhara, et al., "High-Reliability Joining of Ceramic to Metal", Ceramic Bulletin, vol. 68, No. 9, 1989, pp. 1591-1599.

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