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US 9,870,867 B2Granted
Capacitor anode, solid electrolytic capacitor element, solid electrolytic capacitor, and method for producing capacitor anode
AssigneeShowa Denko K.K.
InventorsKazumi Naito, Ryuichi Mitsumoto
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Abstract
When forming a conductive polymer layer serving as a cathode of a solid electrolytic capacitor, in order to obtain a high capacitance even with a small number of times of polymerization treatments, a capacitor anode according to the present invention includes a tungsten sintered body (2) and is provided with a dielectric film (1), and in which vanadium oxide is deposited on the surface of the dielectric film (1).
Claims10
A capacitor anode comprising:
- a tungsten sintered body;
- and
- provided with a dielectric film on a surface,
- wherein vanadium oxide is deposited on a surface of the dielectric film.
1 more element
A method for producing a capacitor anode,
- the method comprising a deposition step for depositing vanadium oxide on a surface of a dielectric film of a capacitor anode including a tungsten sintered body and provided with the dielectric film on a surface.
Dependencies are inferred from the claim text.