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:
Sep. 25, 2012

Filed:

Feb. 26, 2008
Applicants:

Kazunaga Onishi, Matsumoto, JP;

Yoshitaka Nishimura, Azumino, JP;

Tatsuo Nishizawa, Matsumoto, JP;

Eiji Mochizuki, Matsumoto, JP;

Inventors:

Kazunaga Onishi, Matsumoto, JP;

Yoshitaka Nishimura, Azumino, JP;

Tatsuo Nishizawa, Matsumoto, JP;

Eiji Mochizuki, Matsumoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/3205 (2006.01); H01L 21/4763 (2006.01);
U.S. Cl.
CPC ...
Abstract

A soldering method of soldering first and second members includes shooting a laser light to at least one part of an outer peripheral portion surrounding a soldering-target region of the first member thereby to form an oxide film, and bonding the second member with the soldering-target region through a solder. According to the method, the solder resist is never exfoliated even after cleaning with chemicals for removing flux residues contained in solder.


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