Metal fusion bonding – Process – Metal to nonmetal with separate metallic filler
Reexamination Certificate
2005-04-12
2005-04-12
Edmondson, L. (Department: 1725)
Metal fusion bonding
Process
Metal to nonmetal with separate metallic filler
C228S121000, C228S124100, C228S124500
Reexamination Certificate
active
06877651
ABSTRACT:
A brazed product has a metal substrate, a ceramic or graphite substrate, and a brazing alloy containing one of a high nickel content and cobalt content joining the ceramic or graphite substrate to the metal substrate. A method of joining these materials include providing a metal layer coating of titanium or nickel on the surface of the ceramic or graphite substrate to be joined or using a high nickel content or high cobalt content and containing titanium. The brazing alloy contains a high nickel content 70-95% by weight, or a high cobalt content between 45-55% by weight. This brazing alloy can contain titanium in the range between 0.5-5% by weight.
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Edmondson L.
Rossi Kimms & McDowell LLP
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