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:
Jul. 17, 2007
Filed:
Nov. 19, 2003
Masahiro Furukawa, Nagoya, JP;
Nobuyuki Tanahashi, Nagoya, JP;
Kenji Morimoto, Kasugai, JP;
Shinji Kawasaki, Nagoya, JP;
Masahiro Furukawa, Nagoya, JP;
Nobuyuki Tanahashi, Nagoya, JP;
Kenji Morimoto, Kasugai, JP;
Shinji Kawasaki, Nagoya, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
A silicon carbide porous body of the present invention, comprising silicon carbide particles and metallic silicon bonded together in such a manner that pores are retained between the silicon carbide particles and/or between the silicon carbide particle and metallic silicon, wherein an oxide phase containing oxides of silicon, aluminum, and alkaline earth metal is buried in at least some of fine pore portions having a minimum distance of 10 μm or less between the surfaces of the silicon carbide particles or between the surfaces of the silicon carbide particle and metallic silicon among the pores, and a ratio of a total volume of portions in which the oxide phase is not buried among the fine pore portions is 20% or less with respect to a total volume of portions in which the oxide phase is not buried among the pores including the fine pore portions.