Compositions: ceramic – Ceramic compositions – Refractory
Reexamination Certificate
2008-01-15
2008-01-15
Group, Karl (Department: 1755)
Compositions: ceramic
Ceramic compositions
Refractory
C501S096400
Reexamination Certificate
active
07319079
ABSTRACT:
A refractory container for evaporating metals, having significantly improved useful life and corrosion resistance properties, said container consists essentially of a refractory boride, boron nitride, and about 0.10 to 10 wt. % of a rare earth metal compound selected from one of an oxide, a nitride, a carbide, or mixtures thereof.
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XP002327970, May 27, 1988, Japan abstract.
Esk Engineered Ceramincs—Wacker Chemicals article, “The Effects of Boat and Wire Parameters on Boat Life and Coating Quality in Vacuum Metallization of an OPP Web”, E.Josephson, et al.
Rusinko, Jr. David Michael
Sane Ajit
Group Karl
Vicari Dominick G.
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