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.

Date of Patent:
Aug. 31, 2010

Filed:

Jul. 18, 2008
Applicants:

Mitsuhisa Watanabe, Tokyo, JP;

Ichiro Anjoh, Tokyo, JP;

Inventors:

Mitsuhisa Watanabe, Tokyo, JP;

Ichiro Anjoh, Tokyo, JP;

Assignee:

Elpida Memory, Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/13 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor device according to the present invention is provided with a semiconductor chip in which a plurality of electrode pads is provided on a principal surface, a plurality of bump electrodes provided on the electrode pads of the semiconductor chip, a square-shaped wiring board which is disposed on a side of the principal surface of the semiconductor chip, and in which at least two sides of an outer circumference that face each other are positioned in an area on the principal surface of the semiconductor chip, a plurality of external terminals which is provided on the wiring board, and which are electrically connected to a plurality of the bump electrodes through a wiring of the wiring board, and sealing material which is provided between the semiconductor chip and the wiring board, and which covers a connection part between the bump electrode and the wiring.


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