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. 06, 2001
Filed:
Sep. 29, 1999
Applicant:
Inventors:
Toshihiro Kanzaki, Shizuoka, JP;
Fumi Tanabe, Shizuoka, JP;
Assignee:
Dowa Mining Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C22F 1/08 ;
U.S. Cl.
CPC ...
C22F 1/08 ;
Abstract
A process for producing a fcc metal consisting of copper having random orientations comprising cross rolling which is performed to achieve a total draft of at least 20% with the rolling axis being offset at 15° or more in each pass to a total offset of at least 90°, and subsequent full annealing which is accompanied by recrystallization, the fcc metal satisfying the following relationships: I,/I,≦2.3 and I,/I,≦1.0, where I,, I,and I,are the integral intensities of the (111), (200) and (220) faces, respectively, of crystal faces as measured by X-ray diffractiometry.