Material composite and production and use of the material...

Details Material composite and production and use of the material... Material composite and production and use of the material...

2007-11-13

2007-11-13

McNeil, Jennifer (Department: 1775)

Stock material or miscellaneous articles

Composite

Of metal

C428S034400, C428S701000, C428S702000, C257S107000

Reexamination Certificate

active

10296824

ABSTRACT:
A material composite that is vacuum-tight and resistant to thermal shocks is disclosed along with a method for the production thereof and to its use. A permanent connection between an aluminum oxide sapphire and an aluminum oxide ceramic is attained by a first connecting later comprised of a manganese-silicate glass, in which at least one of the metals molybdenum, tungsten, palladium or platinum is incorporated, and by a second connecting layer comprised of a manganese-silicate glass. To this end, the individual materials are fused by sintering. The material composite is used, for example, for inserting a window comprised of aluminum oxide sapphire into a housing for a light-ignitable thyristor.

REFERENCES:
patent: 3590468 (1971-07-01), Buck
patent: 4892498 (1990-01-01), Gradl et al.
patent: 1963286 (1971-07-01), None
patent: 2307191 (1973-08-01), None
patent: 37 39 628 (1989-06-01), None
patent: 195 02 006 (1996-08-01), None
patent: 0 327 049 (1989-08-01), None

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