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US 2014/0233157 A1Published application
Low ESR Capacitor
AssigneeKemet Electronics Corporation
InventorsRandolph S. Hahn, Jeffrey Poltorak, Brandon Summey, Antony P. Chacko, John T. Kinard, Philip M. Lessner
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Abstract
An improved capacitor is provided wherein the improved capacitor has improved ESR. The capacitor has a fluted anode and an anode wire extending from the fluted anode. A dielectric is on the fluted anode. A conformal cathode is on the dielectric and a plated metal layer is on the carbon layer.
Claims98
A capacitor comprising:
- a fluted anode and an anode wire extending from said fluted anode;
- a dielectric on said fluted anode;
- a conformal cathode on said dielectric;
- and
- a plated metal layer on said carbon layer.
2 more elements
A method for forming a capacitor comprising:
- anodizing an anode to form a dielectric on said anode wherein said anode comprises flutes and an anode wire extending therefrom;
- forming a conductive node on said anode wire;
- forming a first conductive layer on said dielectric wherein said first conductive layer and said conductive node are in electrical contact with said anode wire;
- applying voltage to said anode wire;
- electrochemically depositing conductive polymer on said first conductive layer to form conformal cathode;
- and
- forming a metal layer in electrical contact with said conformal cathode.
4 more elements
A capacitor comprising:
- an anode and an anode wire extending from said anode;
- a dielectric on said anode;
- a conformal cathode on said dielectric;
- and
- a plated metal layer on said carbon layer.
2 more elements
Dependencies are inferred from the claim text.