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.

Date of Patent:
Apr. 16, 2013

Filed:

Feb. 07, 2012
Applicants:

Takatoyo Yamakami, Kawasaki, JP;

Takashi Kubota, Kawasaki, JP;

Kuniko Ishikawa, Kawasaki, JP;

Masayuki Kitajima, Kawasaki, JP;

Inventors:

Takatoyo Yamakami, Kawasaki, JP;

Takashi Kubota, Kawasaki, JP;

Kuniko Ishikawa, Kawasaki, JP;

Masayuki Kitajima, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 35/14 (2006.01); B23K 35/34 (2006.01); B23K 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electro-conductive bonding material includes: metal components of a high-melting-point metal particle that have a first melting point or higher; a middle-melting-point metal particle that has a second melting point which is first temperature or higher, and second temperature or lower, the second temperature is lower than the first melting point and higher than the first temperature; and a low-melting-point metal particle that has a third melting point or lower, the third melting point is lower than the first temperature.


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