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:
Jan. 09, 2007
Filed:
Sep. 23, 2003
Applicants:
Takayuki Takahashi, Nagano, JP;
Nobuyoshi Tsukaguchi, Nagano, JP;
Inventors:
Takayuki Takahashi, Nagano, JP;
Nobuyoshi Tsukaguchi, Nagano, JP;
Assignee:
Dowa Mining Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
After a metal member of an alloy containing copper and nickel is arranged on at least one side of a ceramic substrate, the metal member and the ceramic substrate are heated in an atmosphere of an inert gas or in vacuo at a temperature between solidus and liquidus lines of the alloy to bond the metal member directly to the ceramic substrate.