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. 05, 2013
Filed:
Dec. 08, 2009
Kiminori Ishido, Kanagawa, JP;
Kiminori Ishido, Kanagawa, JP;
Renesas Electronics Corporation, Kawasaki-shi, Kanagawa, JP;
Abstract
Embodiments of the invention provide an interconnect substrate capable of improving the connection reliability and yield of a semiconductor device, a method of manufacturing the interconnect substrate, and a semiconductor device using the interconnect substrate. An interconnect substrate according to an embodiment of the invention includes: a substrate; an electrode pad formed over the substrate; an insulating film (solder resist film) formed over the substrate; an opening formed in the insulating film, in which the upper surface of the electrode pad is exposed on the bottom surface of the opening and a metal film formed over the upper surface of the electrode pad and side surface of the insulating film in the opening. At least a portion of the edge of an upper surface of the metal film is higher than the other portions of the upper surface of the metal film.