Electricity: electrical systems and devices – Electrolytic systems or devices – Solid electrolytic capacitor
Reexamination Certificate
2005-12-16
2008-12-02
Ha, Nguyen T. (Department: 2831)
Electricity: electrical systems and devices
Electrolytic systems or devices
Solid electrolytic capacitor
C361S525000, C361S528000, C361S529000, C361S534000, C361S516000, C029S025010, C029S025030
Reexamination Certificate
active
07460357
ABSTRACT:
An electrolyte for an electrolytic capacitor which is high in electrolytic conductivity, excellent in heat stability and high in withstand voltage. An electrolyte for an electrolytic capacitor comprising a tetrafluoroaluminate ion; and an electrolyte for an electrolytic capacitor containing a salt and a solvent, characterized in that electrolytic conductivity X (mS·cm−1) at 25° C. and withstand voltage Y (V) of a capacitor satisfy the relationships of formulae (I): Y≧−7.5X+150, and X≧4, Y>0.
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U.S. Appl. No. 11/733,838, filed Apr. 11, 2007, Takeda et al.
Takeda Masayuki
Takehara Masahiro
Ue Makoto
Ha Nguyen T.
Mitsubishi Chemical Corporation
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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