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:
Jul. 26, 2011
Filed:
Mar. 18, 2009
Applicant:
Yuichi Miyagawa, Kanagawa, JP;
Inventor:
Yuichi Miyagawa, Kanagawa, JP;
Assignee:
Renesas Electronics Corporation, Kawasaki-shi, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multilayer wiring substrate included in the semiconductor package includes: a first insulating layer and a second insulating layer, in which wiring layers are respectively provided on the upper and the lower surfaces; and; a core layer provided between the first insulating layer and the second insulating layer. The first insulating layer and the second insulating layer are constituted by different materials from each other.