The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 21, 2006
Filed:
Jun. 28, 2004
Applicants:
Yasutaka Ito, Gifu, JP;
Yasuji Hiramatsu, Gifu, JP;
Inventors:
Yasutaka Ito, Gifu, JP;
Yasuji Hiramatsu, Gifu, JP;
Assignee:
Ibiden Co., Ltd., Ogaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/581 (2006.01);
U.S. Cl.
CPC ...
Abstract
An objective of the present invention is to provide an aluminum nitride sintered body making it possible to keep a volume resistivity of 10Ω·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.