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:
Oct. 17, 2006
Filed:
Feb. 24, 2004
Yoshimasa Kobayashi, Nagoya, JP;
Toru Hayase, Nagoya, JP;
Naomi Teratani, Nagoya, JP;
Jun Yoshikawa, Nagoya, JP;
Naohito Yamada, Kasugai, JP;
Yoshimasa Kobayashi, Nagoya, JP;
Toru Hayase, Nagoya, JP;
Naomi Teratani, Nagoya, JP;
Jun Yoshikawa, Nagoya, JP;
Naohito Yamada, Kasugai, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
A novel aluminum nitride material having a low room temperature volume resistivity is provided. The aluminum nitride material has an aluminum nitride main component and includes at least 0.03 mol % of europium oxide. The aluminum nitride material has an aluminum nitride phase and an europium-aluminum composite oxide phase. An aluminum nitride material also provided having an aluminum nitride main component, wherein a total content of europium oxide and samarium oxide is at least 0.09 mol %. The aluminum nitride material has an aluminum nitride phase and a composite oxide phase containing at least europium and aluminum.