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:
Mar. 27, 2012
Filed:
Mar. 17, 2009
Applicants:
Takuya Hando, Inuyama, JP;
Hajime Saiki, Konan, JP;
Kazutaka Tanaka, Ogaki, JP;
Inventors:
Assignee:
NGK Spark Plug Co., Ltd., Nagoya, JP;
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/11 (2006.01);
U.S. Cl.
CPC ...
Abstract
A wiring board has a wiring board main body, a solder resist and solder bumps. The solder resist is formed on a top surface of the wiring board main body, and includes first openings, and second openings that have a diameter larger than that of the first openings. The solder bumps are disposed in the first openings and in the second openings. In addition, top portions of the solder bumps disposed in the first openings have a flat face, while top portions of the solder bumps disposed in the second openings have a non-flat face.