Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
59 words
A metal alloy having a composition consisting essentially of about 4 to 16 atom percent manganese, about 4 to 16 atom percent silicon, about 0 to 16 atom percent tin, about 0 to 20 atom percent zinc, about 0 to 10 atom percent silver and about 0 to 10 atom percent indium, the balance being copper and incidental impurities.
Claim 2
Dependent Claim
59 words
A metal alloy having a composition consisting essentially of about 4 to 16 atom percent manganese, about 4 to 16 atom percent silicon, about 0 to 16 atom percent tin, about 0 to 20 atom percent zinc, about 0 to 10 atom percent silver and about 0 to 10 atom percent indium, the balance being copper and incidental impurities.
Claim 3
Dependent Claim
19 words
A metal alloy composition as recited in claim 1, wherein said composition is in the form of a foil.
Claim 4
Dependent Claim
14 words
A metal alloy composition as recited in claim 2, wherein said foil is ductile.
Claim 5
Dependent Claim
16 words
A metal alloy composition as recited in claim 2, wherein said foil has a metastable structure.
Claim 6
Dependent Claim
14 words
A metal alloy composition as recited in claim 4, wherein said structure is homogeneous.
Claim 7
Dependent Claim
19 words
A metal alloy composition as recited in claim 1, wherein said composition is in the form of a powder.
Claim 8
Dependent Claim
65 words
A metal alloy composition as recited in claim 1, having a composition consisting essentially of about 10 to 12 atom percent manganese, about 10 to 12 atom percent silicon, about 3 to 5 atom percent tin, about 4 to 10 atom percent zinc, about 2 to 5 atom percent silver, about 1 to 5 atom percent indium and about 51 to 70 atom percent copper.
Claim 9
Dependent Claim
61 words
A homogeneous, ductile brazing foil having a composition consisting essentially of about 4 to 16 atom percent manganese, about 4 to 16 atom percent silicon, about 0 to 16 atom percent tin, about 0 to 20 atom percent zinc, about 0 to 10 atom percent silver and about 0 to 10 atom percent indium, the balance being copper and incidental impurities.
Claim 10
Dependent Claim
61 words
A homogeneous, ductile brazing foil having a composition consisting essentially of about 4 to 16 atom percent manganese, about 4 to 16 atom percent silicon, about 0 to 16 atom percent tin, about 0 to 20 atom percent zinc, about 0 to 10 atom percent silver and about 0 to 10 atom percent indium, the balance being copper and incidental impurities.
Claim 11
Dependent Claim
91 words
A process for fabricating homogeneous ductile foil having a composition consisting essentially of about 4 to 16 atom percent manganese, about 4 to 16 atom percent silicon, about 0 to 16 atom percent tin, about 0 to 20 atom percent zinc, about 0 to 10 atom percent silver and about 0 to 10 atom percent indium, the balance being copper and incidental impurities, which process comprises forming a melt of the composition and quenching the melt on a rotating chill block at a rate of at least about 10 5 °C/sec.
Claim 12
Dependent Claim
91 words
A process for fabricating homogeneous ductile foil having a composition consisting essentially of about 4 to 16 atom percent manganese, about 4 to 16 atom percent silicon, about 0 to 16 atom percent tin, about 0 to 20 atom percent zinc, about 0 to 10 atom percent silver and about 0 to 10 atom percent indium, the balance being copper and incidental impurities, which process comprises forming a melt of the composition and quenching the melt on a rotating chill block at a rate of at least about 10 5 °C/sec.
Claim 13
Dependent Claim
129 words
A process for joining together two or more metal parts which comprises: a) interposing a filler metal between the metal parts to form an assembly, the filler metal having a melting point less than that of any of the parts; b) heating the assembly to at least the melting temperature of the filler metal; and c) cooling the assembly; wherein the improvement comprises employing, as the filler metal, a homogeneous, ductile copper based foil having a composition consisting essentially of about 4 to 16 atom percent manganese, about 4 to 16 atom percent silicon, about 0 to 16 atom percent tin, about 0 to 20 atom percent zinc, about 0 to 10 atom percent silver, about 0 to 10 atom percent indium, the balance being copper and incidental impurities.
Claim 14
Dependent Claim
129 words
A process for joining together two or more metal parts which comprises: a) interposing a filler metal between the metal parts to form an assembly, the filler metal having a melting point less than that of any of the parts; b) heating the assembly to at least the melting temperature of the filler metal; and c) cooling the assembly; wherein the improvement comprises employing, as the filler metal, a homogeneous, ductile copper based foil having a composition consisting essentially of about 4 to 16 atom percent manganese, about 4 to 16 atom percent silicon, about 0 to 16 atom percent tin, about 0 to 20 atom percent zinc, about 0 to 10 atom percent silver, about 0 to 10 atom percent indium, the balance being copper and incidental impurities.