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:
Oct. 09, 2012
Filed:
Feb. 02, 2009
Applicants:
Mayumi Nakasato, Ogaki, JP;
Katsumi Ito, Gifu, JP;
Inventors:
Mayumi Nakasato, Ogaki, JP;
Katsumi Ito, Gifu, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/11 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device mounting board includes: an insulating resin layer; a wiring layer provided on one main surface of the insulating resin layer; and a bump electrode, electrically connected to the wiring layer, which is protruded from the wiring layer toward the insulating resin layer. Asperities are formed on the side surface of the bump electrode and the surface roughness of the side surface of the bump electrode is greater than that of the top surface of the bump electrode.