Compositions: ceramic – Ceramic compositions – Refractory
Reexamination Certificate
2005-05-31
2005-05-31
Group, Karl (Department: 1755)
Compositions: ceramic
Ceramic compositions
Refractory
C501S098500, C501S098600
Reexamination Certificate
active
06900149
ABSTRACT:
An objective of the present invention is to provide an aluminum nitride sintered body making it possible to keep a volume resistivity of 108Ω•cm or more, and guarantee covering-up capability, a large radiant heat amount and measurement accuracy with a thermoviewer. A carbon-containing aluminum nitride sintered body of the present invention of the present invention comprising: carbon whose peak cannot be detected on its X-ray diffraction chart or whose peak is below its detection limit thereon: in a matrix made of aluminum nitride.
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Hiramatsu Yasuji
Ito Yasutaka
Group Karl
Ibiden Co. Ltd.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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