Metal treatment – Stock – Copper base
Reexamination Certificate
2007-11-06
2007-11-06
Ip, Sikyin (Department: 1742)
Metal treatment
Stock
Copper base
C148S686000, C420S485000, C420S486000, C420S487000, C420S488000
Reexamination Certificate
active
10644220
ABSTRACT:
A copper-nickel-silicon quench substrate rapidly solidifies molten alloy into microcrystalline or amorphous strip. The substrate is composed of a thermally conducting alloy. It has a two-phase microstructure with copper rich regions surrounded by a discontinuous network of nickel silicide phases. The microstructure is substantially homogeneous. Casting of strip is accomplished with minimal surface degradation as a function of casting time. The quantity of material cast during each run is improved without the toxicity encountered with copper-beryllium substrates.
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Bye Richard L.
DeCristofaro Nicholes J.
Millure David W.
Myojin Shinya
Schuster Gary A.
Ip Sikyin
Metglas Inc.
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