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:
Apr. 01, 2014
Filed:
Jan. 10, 2011
Tadashi Arai, Nagano, JP;
Tadashi Arai, Nagano, JP;
Shinko Electric Industries Co., Ltd., Nagano, JP;
Abstract
A wiring substrate includes a ceramic substrate including plural ceramic layers, an inner wiring, and an electrode electrically connected to the inner wiring, the electrode exposed on a first surface of the ceramic substrate, and a silicon substrate body having a front surface and a back surface situated on an opposite side of the front surface and including a wiring pattern formed on the front surface and a via filling material having one end electrically connected to the wiring pattern and another end exposed at the back surface. The back surface is bonded to the first surface of the ceramic substrate via a polymer layer. The via filling material penetrates through the polymer layer and is directly bonded to the electrode.