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US 7,563,290 B2Granted
High voltage solid electrolytic capacitors using conductive polymer slurries
AssigneeKemet Electronics Corporation
InventorsYongjian Qiu, Randy S. Hahn, Keith R. Brenneman
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Abstract
A method for forming a capacitor including forming an anode from a valve metal; forming an oxide on the anode to form an anodized anode; dipping the anodized anode into a slurry of conductive polymer; drying the intrinsically conductive polymer; and providing external terminations in electrical contact with the anode and the conductive polymer.
Claims17
A method for forming a capacitor comprising:
- forming an anode from a valve metal;
- forming a dielectric on the anode to form a dielectric covered anode;
- dipping said dielectric covered anode into a slurry of intrinsically conductive polymer;
- drying said intrinsically conductive polymer;
- and
- providing terminations in electrical contact with said anode and said intrinsically conductive polymer;
- wherein said capacitor has a breakdown voltage of at least 60V.
4 more elements
A method for forming a capacitor comprising:
- forming an anode from a material selected from a valve metal and an oxide of a valve metal;
- forming a dielectric on said anode to form a dielectric covered anode;
- dipping said dielectric covered anode into a slurry of intrinsically conductive polymer;
- drying said intrinsically conductive polymer;
- and
- providing a first termination in electrical contact with said anode and a second termination in electrical contact with said intrinsically conductive polymer;
- wherein said capacitor has a breakdown voltage of at least 60v.
4 more elements
Dependencies are inferred from the claim text.