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. 17, 2009
Filed:
Jul. 26, 2005
Yoshihiko Yokoyama, Chino, JP;
Yoshihide Nishiyama, Chino, JP;
Yoshihiko Yokoyama, Chino, JP;
Yoshihide Nishiyama, Chino, JP;
Seiko Epson Corporation, , JP;
Abstract
A semiconductor device includes: a connecting body including a connecting electrode; and at least one semiconductor chip stacked on the connecting body, the semiconductor chip including: a substrate; and a trans-substrate conductive plug that penetrates the substrate, the trans-substrate conductive plug having a first terminal that is provided on an active surface side of the substrate; and a second terminal that is provided on a back surface side that is opposite the active surface side, an outer shape of the first terminal being formed larger than an outer shape of the second terminal, wherein the second terminal of the semiconductor chip is electrically connected to a connecting electrode of the connecting body via a brazing material.