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:
Apr. 06, 2004
Filed:
Jun. 28, 2002
Applicant:
Inventors:
Hiroyuki Shinogi, Oizumi-Machi, JP;
Toshimitsu Taniguchi, Oizumi-Machi, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/3495 ;
U.S. Cl.
CPC ...
H01L 2/3495 ;
Abstract
A semiconductor device has a bump electrode formed on a flat surface of a passivation film of the device. The bump electrode is connected to a top wiring layer through a plurality of openings in the passivation film underneath the bump electrode, which are filled with a conductive material. The bump electrode is formed away from via holes, which connects the top wiring layer for the bump electrode and a lower wiring layer connected to source and drain layers of the device.