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:
Mar. 31, 1987
Filed:
Dec. 23, 1985
Applicant:
Inventors:
Wayne G Wnuck, Stafford Springs, CT (US);
Bryan J Dec, Chicopee, MA (US);
Raymond J Jarvis, South Windsor, CT (US);
Assignee:
International Fuel Cells Corporation, South Windsor, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
419-2 ; 264104 ; 264125 ; 419 54 ; 419 55 ; 419 58 ; 429 46 ;
Abstract
A method for fabricating ribbed electrodes that accommodates the shrinkage which occurs during thermal cycling reducing the cracks caused by the confining stresses of a mold. A composition comprising a metal selected from the group consisting of nickel, copper and mixtures thereof with chromium onto a ribbed mold. The mold and composition are prefired in a reducing atmosphere forming a ribbed electrode. The ribbed electrode is removed from the mold and sintered in a reducing atmosphere.