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:
Nov. 07, 2006
Filed:
May. 02, 2003
Applicant:
Norikazu Niimi, Kasugai, JP;
Inventor:
Norikazu Niimi, Kasugai, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 61/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a joined body having a first member, a second memberand a joining materialinterposed between the first and second members. The joining material has a porous bone structurewith open pores and made of a sintered product of metal powder and impregnated phaseimpregnated into the open pores. The impregnated phaseincludes an oxynitride glass. The joined body has improved resistance against fatigue and fracture, even when the body is subjected to thermal cycles between high and room temperatures and held at a high temperature over a long period of time.