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US 2009/0213530 A1Published application
Solid electrolytic capacitor and method of fabricating the same
AssigneeSanyo Electronic Co., Ltd.
InventorsMasaaki Nemoto, Takashi Umemoto, Hiroshi Nonoue
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Abstract
A solid electrolytic capacitor comprising an anode body, a dielectric layer placed on the surface of the anode body, a conductive polymer layer placed on the surface of the dielectric layer, and a housing accommodating at least the anode body, the dielectric layer and the conductive polymer layer, wherein a water-retaining layer having higher water absorption than that of the housing is placed between the conductive polymer layer and the housing.
Claims12
A solid electrolytic capacitor comprising:
- an anode body,
- a dielectric layer placed on a surface of said anode body,
- a conductive polymer layer placed on a surface of said dielectric layer, and
- a housing accommodating at least said anode body, said dielectric layer and said conductive polymer layer,
- wherein a water-retaining layer having higher water absorption than that of said housing is placed between said conductive polymer layer and said housing.
2 more elements
A method of fabricating a solid electrolytic capacitor, comprising the steps of:
- forming a dielectric layer on the surface of an anode body;
- forming a conductive polymer layer on a surface of said dielectric layer;
- applying a material for a water-retaining layer in such a way that at least a part of said water-retaining layer is in contact with said conductive polymer layer, and then curing the material to form said water-retaining layer;
- allowing said water-retaining layer to absorb water;
- and
- forming a housing so as to accommodate at least said anode body, said dielectric layer, said conductive polymer layer and said water-retaining layer.
3 more elements
Dependencies are inferred from the claim text.