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:
Dec. 12, 1989
Filed:
Apr. 28, 1988
Applicant:
Inventors:
Takeyuki Mizuno, Toyohashi, JP;
Koji Kato, Nagoya, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428137 ; 428138 ; 428220 ; 428409 ; 428457 ; 403 28 ; 403 29 ; 403 30 ; 403273 ; 403404 ;
Abstract
A ceramic-metal composite body is produced by fitting a protruding portion of a ceramic member into a concave portion of a metallic member. In this case, the protruding portion has a quantity of undulation in a plane including the axial line of the protruding portion of not more than 5 .mu.m.