Hermetic seals

Details Hermetic seals Hermetic seals

1978-05-22

1980-09-09

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Inorganic materials only containing at least one metal atom

106 396, C08K 310, C08K 340

Patent

active

042216044

ABSTRACT:
The forming of hermetic seals suitable for sealing materials having dissimilar thermal expansions which are formed by reacting an effective amount of a metal powder, selected from the group consisting of aluminum, antimony and zirconium, with glass frit having a softening point of <750.degree. C. and a coefficient of thermal expansion sufficiently compatible with the materials being sealed to yield seals characterized by a coefficient of thermal expansion closely matching or similar to those of the materials being sealed and a use temperature equal to or greater than 1000.degree. C. The seals of this invention are particularly suitable for bonding ceramic to ceramic.

REFERENCES:
patent: 3045332 (1962-07-01), Denison, Jr.
patent: 3123470 (1964-03-01), Denison, Jr.
patent: 3295934 (1967-01-01), Bre
patent: 3523357 (1970-08-01), Meyer
patent: 3951669 (1976-04-01), Malmendier
patent: 4148761 (1979-04-01), Kazmierowicz
Chem. Abst. 71:84,256g, 1969.

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