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.

Date of Patent:
May. 10, 2011

Filed:

Jun. 18, 2008
Applicants:

Takeshi Shioga, Kawasaki, JP;

Yoshikatsu Ishizuki, Kawasaki, JP;

John David Baniecki, Kawasaki, JP;

Kazuaki Kurihara, Kawasaki, JP;

Inventors:

Takeshi Shioga, Kawasaki, JP;

Yoshikatsu Ishizuki, Kawasaki, JP;

John David Baniecki, Kawasaki, JP;

Kazuaki Kurihara, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 3/30 (2006.01); B29C 65/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An interposercomprising a baseformed of a plurality of resin layers; a thin-film capacitorburied in the base, including a lower electrode, a capacitor dielectric filmand an upper electrode; a first through-electrodeformed through the baseand electrically connected to the upper electrodeof the thin-film capacitor; and a second through-electrodeformed through the baseand electrically connected to the lower electrodeof the thin-film capacitor, further comprising: an interconnectionburied in the baseand electrically connected to the respective upper electrodesof a plurality of the thin-film capacitors, a plurality of the first through-electrodesbeing electrically connected to the upper electrodesof said plurality of the thin-film capacitorsvia the interconnection, and said plurality of the first through-electrodesbeing electrically interconnected by the interconnections


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