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:
Jun. 08, 2010

Filed:

Sep. 26, 2008
Applicants:

Taku Nishiyama, Yokohama, JP;

Tetsuya Yamamoto, Yokohama, JP;

Kiyokazu Okada, Yokkaichi, JP;

Inventors:

Taku Nishiyama, Yokohama, JP;

Tetsuya Yamamoto, Yokohama, JP;

Kiyokazu Okada, Yokkaichi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A plurality of semiconductor elements configuring a first element group are stacked in a step-like shape on a wiring board. A plurality of semiconductor elements configuring a second element group are stacked in a step-like shape on the first element group toward a direction opposite to the stepped direction of the first element group. The semiconductor elements are electrically connected to connection pads of the wiring board through metallic wires. Among the plurality of semiconductor elements configuring the second element group, the lowermost semiconductor element has a thickness larger than those of the other semiconductor elements.


Find Patent Forward Citations

Loading…