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. 21, 2008
Filed:
Nov. 19, 2004
Applicants:
Hitoshi Kobayashi, Kyoto, JP;
Mitsunori Nagashima, Kyoto, JP;
Inventors:
Hitoshi Kobayashi, Kyoto, JP;
Mitsunori Nagashima, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
A circuit board (A) includes an insulative substrate (), a conductive pad () formed on the substrate, and a metal () bonded to the pad via a solder layer (). The metal piece () has a welding portion () to which an external-connection terminal () is welded. A gap () is provided between the welding portion () and the substrate (). The welding portion () and the solder layer () are separated by the gap ().