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:
Apr. 15, 2008
Filed:
Jan. 30, 2003
Applicants:
Takashi Shoji, Chiba, JP;
Ayako Nishioka, Chiba, JP;
Tadatoshi Kurozumi, Chiba, JP;
Yoshinori Shibuya, Chiba, JP;
Hitoshi Amita, Chiba, JP;
Inventors:
Takashi Shoji, Chiba, JP;
Ayako Nishioka, Chiba, JP;
Tadatoshi Kurozumi, Chiba, JP;
Yoshinori Shibuya, Chiba, JP;
Hitoshi Amita, Chiba, JP;
Assignee:
Showa Denko K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 35/363 (2006.01);
U.S. Cl.
CPC ...
Abstract
Solder metal consists essentially of 8.8 to 5.0 mass % of Zn, 0.05 to 0 mass % of Bi and the balance of Sn and unavoidable impurities.