Compositions – Electrically conductive or emissive compositions – Metal compound containing
Reexamination Certificate
2011-07-12
2011-07-12
Kopec, Mark (Department: 1761)
Compositions
Electrically conductive or emissive compositions
Metal compound containing
C252S520100
Reexamination Certificate
active
07976738
ABSTRACT:
An oxide sintered body substantially containing zinc, tin and oxygen; containing tin at an atomic number ratio, Sn/(Zn +Sn), of 0.23 to 0.50, and being composed mainly of a zinc oxide phase and at least one kind of zinc stannate compound phase, or being composed of at least one kind of zinc stannate compound phase; provided by a method for manufacturing the oxide sintered body by formulating an aqueous solvent to raw material powder containing powder of a zinc stannate compound, or mixed powder of tin oxide powder and zinc oxide powder, and after mixing the resulting slurry for equal to longer than 15 hours, by subjecting the slurry to solid-liquid separation, drying and granulation, and subsequently compacting by charging the granule into a mold, followed by sintering the resultant compact under sintering atmosphere at 1300 to 1500° C. for equal to or longer than 15 hours.
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Abe Yoshiyuki
Nakayama Tokuyuki
Ohara Go
Wake Riichiro
Kopec Mark
Kratz Quintos & Hanson, LLP
Sumitomo Metal & Mining Co., Ltd.
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