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:
Jun. 17, 2025
Filed:
Nov. 21, 2022
Applicant:
Renesas Electronics Corporation, Tokyo, JP;
Inventors:
Takashi Aoki, Tokyo, JP;
Takehiro Ueda, Tokyo, JP;
Assignee:
RENESAS ELECTRONICS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/31 (2006.01); H01L 21/02 (2006.01);
U.S. Cl.
CPC ...
H01L 23/3192 (2013.01); H01L 21/022 (2013.01); H01L 23/3171 (2013.01);
Abstract
A semiconductor device includes an aluminum layer, a passivation film, and a protective film arranged between the aluminum layer and the passivation film. A plurality of aluminum regions are formed in the aluminum layer. A width of a gap between the adjacent aluminum regions is equal to or less than twice a thickness of the protective film. The gap is filled with the protective film