Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Reexamination Certificate
2005-12-27
2005-12-27
Thomas, Eric W. (Department: 2831)
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
C361S306300, C361S308100, C361S311000, C029S025420
Reexamination Certificate
active
06980413
ABSTRACT:
The present invention provides a thin film type multi-layered ceramic capacitor including a stacked body composed of a plurality of capacitor layers. Each of the capacitor layers comprises a substrate having an upper surface where a plurality of holes are formed and a flat lower surface, and a thin film capacitor on the upper surface of the substrate. The thin film capacitor includes a lower electrode film, a dielectric film, and an upper electrode film. The lower electrode film, the dielectric film, and the upper electrode film are formed in sequence on the upper surface of the substrate. The lower and the upper electrode films extend to one side and the other side of the substrate and contact first and second external electrodes, respectively.
REFERENCES:
patent: 3400312 (1968-09-01), Dornfeld
patent: 5072329 (1991-12-01), Galvagni
patent: 6421224 (2002-07-01), Lin et al.
patent: 6503791 (2003-01-01), Matsui et al.
patent: 6798642 (2004-09-01), Decker et al.
patent: 2001/0008479 (2001-07-01), Branchevsky
patent: 2001-181839 (2001-07-01), None
Hur Kang Heon
Hwang Cheol Seong
Kim Jeong Wook
Samsung Electro-Mechanics Co. Ltd.
Thomas Eric W.
Volpe and Koenig, P.C
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