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US 9,959,979 B2Granted
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.
Claims58
A capacitor comprising:
- a fluted anode and an anode wire extending from said fluted anode;
- a dielectric on said fluted anode;
- and
- a layered conformal cathode directly on said dielectric and wherein said layered conformal cathode has an average thickness of no more than 40 microns and a deviation in thickness of no more than 50% of an average thickness.
1 more element
A capacitor comprising:
- an anode and an anode wire extending from said anode wherein said anode comprises flutes;
- a dielectric on said anode;
- and
- a layered conformal cathode directly on said dielectric and wherein said layered conformal cathode has a deviation in thickness of no more than 50% of an average thickness.
1 more element
Dependencies are inferred from the claim text.