Patent ID: 7667977
Filing Date: 2010-02-23
Classification: H01L,H05K

Abstract:
1. A mounting board comprising: a capacitor-forming sheet made from a valve metal, and having a first face and a second face opposite to the first face, and having an inner layer and a rough oxide film provided on at least one face on a side of the first face and a side of the second face of the inner layer; a first board-forming structure provided on the first face side of the capacitor-forming sheet; a second board-forming structure provided on the second face side of the capacitor-forming sheet; a first electrode provided on a surface of at least one of the first and second board-forming structures; a second electrode provided on a surface of at least one of the first and second board-forming structures, and electrically isolated from the first electrode; an extractor electrode provided inside at least one of the first and second board-forming structures, and electrically connecting the first electrode and the inner layer; and a conductive polymer provided inside at least one of the first and second board-forming structures, and electrically connecting the second electrode and the rough oxide film.