Compositions: ceramic – Ceramic compositions – Refractory
Reexamination Certificate
2004-12-10
2009-12-15
Group, Karl E (Department: 1793)
Compositions: ceramic
Ceramic compositions
Refractory
C501S096300, C501S098500, C392S386000, C392S389000
Reexamination Certificate
active
07632768
ABSTRACT:
A ceramics sintered body improved in corrosion resistance to a molten metal and a method for producing such a ceramics sintered body. The ceramics sintered body includes boron nitride, titanium diboride, a calcium compound and titanium nitride and having a relative density of 92% or more, wherein the content of the calcium compound in terms of CaO is from 0.05 to 0.8% by weight, and a peak intensity by X-ray diffraction of the (200) plane derived from titanium nitride is from 0.06 to 0.15 relative to a peak intensity of the (002) plane of BN. Further, a method for producing a ceramics sintered body, which is applicable to the ceramics sintered body, and an exothermic body for metal vapor deposition constituted by the ceramics sintered body are also disclosed.
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Notification of First Office Action in Chinese dated Dec. 7, 2007.
Iwamoto Kentaro
Kimura Masamitu
Tokunaga Fumio
Watanabe Shoujiro
Yokota Hiroshi
Denki Kagaku Kogyo Kabushiki Kaisha
Group Karl E
Young & Thompson
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