Cryogenic glass-to-metal seal

Details Cryogenic glass-to-metal seal Cryogenic glass-to-metal seal

1984-08-29

1987-03-10

Lesmes, George F.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428433, 428434, 428630, 428631, 428632, 428633, 428657, 428658, H01L 2912

Patent

active

046490850

ABSTRACT:
A novel low temperature vacuum seal and method of making same for joining a nonmetallic element, such as an optical port, to a metallic element is described which comprises first and second thin metallic layers applied to the nonmetallic element to provide substantial adhesion and solderability to the nonmetallic element, and a third metallic layer applied to the metallic element to provide solderability to the metallic element, the nonmetallic and metallic elements being joined by a layer of low temperature solder interfacing their respective solder surfaces. A further thin metallic layer may be applied to the nonmetallic element to provide substantial wetability to the solderable second layer.

REFERENCES:
patent: 2671746 (1954-03-01), Brew
patent: 2964839 (1960-12-01), Marafioti et al.
patent: 3115957 (1963-12-01), Heil
patent: 3138228 (1964-06-01), Bondley
patent: 3293065 (1966-12-01), Roetter
patent: 4210389 (1980-07-01), Burkhart et al.
patent: 4428523 (1984-01-01), Snitzer et al.
IBM Technical Disclosure Bulletin, vol. 16, No. 1, 6/1973, L. F. Miller, p. 39.

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