Electricity: electrical systems and devices – Electrolytic systems or devices – Solid electrolytic capacitor
Reexamination Certificate
2006-02-17
2008-05-27
Ha, Nguyen T. (Department: 2831)
Electricity: electrical systems and devices
Electrolytic systems or devices
Solid electrolytic capacitor
C361S525000, C361S528000, C361S529000, C361S534000, C361S509000, C029S025010, C029S025030
Reexamination Certificate
active
07379290
ABSTRACT:
An electrically conductive polymer composition contains an electrically conductive polymer obtained by using a polymer in the form of cations composed of repeating structural units of 3,4-ethylene dioxythiophene and polystyrene sulfonic acid as anions and further contains naphthalene sulfonic acid as an additive. A solid electrolytic capacitor101or a surface-mount transmission line element102has a polypyrrole conductive polymer layer3as a first solid electrolyte and a poly(3,4-ethylene dioxythiophene) conductive polymer layer4as a second solid electrolyte.
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Arai Shinji
Araki Kenji
Asami Tadamasa
Maruko Yuuichi
Saitou Takeshi
Ha Nguyen T.
NEC TOKIN Corporation
Ruben Bradley N.
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