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:
May. 09, 2006
Filed:
Sep. 06, 2002
Applicants:
Takashi Negishi, Hadano, JP;
Katsuhiko Mukai, Odawara, JP;
Hiromitsu Nakagawa, Hadano, JP;
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K 31/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for assembling and testing an electronic circuit baseboard includes at least a step of soldering at least one electronic part to an electronic circuit baseboard using Pb excluded solder. One of erroneous wiring, erroneous mounting, malfunction, and defective soldering of the least one electronic part is tested by contacting a probe pin to various probe pin contact sections on the electronic circuit baseboard. During the step of soldering, the Pb excluded solder is also supplied to at least one of the various probe pin contact sections in order to suppress oxidation thereof.