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:
Apr. 27, 1999
Filed:
Jun. 26, 1997
Applicant:
Inventors:
Hiromichi Kobayashi, Yokkaichi, JP;
Tomonori Takahashi, Chita, JP;
Yutaka Furuse, Tokyo, JP;
Yoshiaki Matsushita, Kawasaki, JP;
Assignee:
NGK Insulators, LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
427249 ; 427255 ; 4272551 ; 4272552 ; 4273762 ;
Abstract
A coated ceramic member includes a silicon nitride- or silicon carbide-based ceramic base material, a silicon nitride or silicon carbide film formed on the base material by CVD, and an oxide film formed on the film of CVD, and a process for producing the ceramic-coated member. This coated ceramic member maintains excellent durability under severe conditions, for example, in a high-speed combustion gas.