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:
May. 17, 2011
Filed:
Dec. 21, 2007
Applicants:
Kazutaka Koshiishi, Tokyo, JP;
Mitsuaki Katagiri, Tokyo, JP;
Satoshi Isa, Tokyo, JP;
Haruo Akahoshi, Ibaraki, JP;
Inventors:
Kazutaka Koshiishi, Tokyo, JP;
Mitsuaki Katagiri, Tokyo, JP;
Satoshi Isa, Tokyo, JP;
Haruo Akahoshi, Ibaraki, JP;
Assignee:
Elpida Memory, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device is mounted on a package substrate which has a power supply line and a signal line formed of a normal or predetermined resistance material layer on a dielectric layer. A resistance material layer has a high resistance as compared with the normal resistance material layer and is additionally provided on the surface of the normal resistance material layer of the peripheral face of the signal line closest to the power supply line.