Electricity: electrical systems and devices – Electrolytic systems or devices – Solid electrolytic capacitor
Reexamination Certificate
2006-03-15
2008-01-29
Thomas, Eric (Department: 2831)
Electricity: electrical systems and devices
Electrolytic systems or devices
Solid electrolytic capacitor
C361S540000, C029S025030
Reexamination Certificate
active
07324330
ABSTRACT:
The capacitor element includes a porous chip body and an anode wire having an end portion embedded in the chip body. The chip body includes a surface provided with a dielectric film which in turn is formed with a solid electrolyte layer thereon. Further, the solid electrolyte layer is laminated with a cathode film. The chip body is formed by sintering a mixture of valve metal powder and a sintering inhibitor added as impurities. Similarly, the anode wire is made of valve metal containing a sintering inhibitor.
REFERENCES:
patent: 4235629 (1980-11-01), Marsh et al.
patent: 5608601 (1997-03-01), Kuriyama
patent: 5818687 (1998-10-01), Shimojima
patent: 6269536 (2001-08-01), Balliett
patent: 6594141 (2003-07-01), Takada
patent: 7-74062 (1995-03-01), None
patent: 9-223644 (1997-08-01), None
Hamre Schumann Mueller & Larson P.C.
Rohm & Co., Ltd.
Thomas Eric
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