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:
Feb. 24, 2015
Filed:
May. 20, 2011
Applicants:
Takeshi Furusawa, Chiyoda-ku, JP;
Noriko Miura, Chiyoda-ku, JP;
Kinya Goto, Chiyoda-ku, JP;
Masazumi Matsuura, Chiyoda-ku, JP;
Inventors:
Takeshi Furusawa, Chiyoda-ku, JP;
Noriko Miura, Chiyoda-ku, JP;
Kinya Goto, Chiyoda-ku, JP;
Masazumi Matsuura, Chiyoda-ku, JP;
Assignee:
Renesas Electronics Corporation, Kawasaki-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device including a low dielectric constant film of which the relative dielectric constant is less than 3.5, is provided with one or more seal rings that are moisture blocking walls forming a closed loop in a plan view, and where at least one of the seal rings includes a seal ring protrusion portion in inward protruding form in the vicinity of a chip corner.