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:
Nov. 06, 2012
Filed:
Dec. 18, 2009
Applicant:
Seiya Fujii, Tokyo, JP;
Inventor:
Seiya Fujii, Tokyo, JP;
Assignee:
Elpida Memory, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device which has a plurality of semiconductor chips stacked on a substrate. The semiconductor device includes semiconductor chip, semiconductor chipstacked on substratetogether with semiconductor chip, and having a foot print larger than semiconductor chip, through electrodeextending through semiconductor chiponly in a central portion of semiconductor chip, through electrodeextending through semiconductor chipat a position facing to through electrode, and conduction bumparranged between through electrodeand through electrode, and conductively connecting through electrodewith through electrode