Solid electrolytic capacitor and method of manufacturing a solid electrolytic capacitor
AssigneeKemet Electronics Corporation
InventorsJeffrey Poltorak, Brandon K. Summey, Yongjian Qiu
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Abstract
Provided is a method for forming a capacitor. The method includes: providing an anode with a dielectric thereon and a conductive node in electrical contact with the anode; applying a conductive seed layer on the dielectric; forming a conductive bridge between the conductive seed layer and the conductive node; applying voltage to the anode; electrochemically polymerizing a monomer thereby forming an electrically conducting polymer of monomer on the conductive seed layer; and disrupting the conductive bridge between the conductive seed layer and the conductive node.
Claims66
A method for forming a capacitor comprising:
- providing an anode;
- forming a dielectric on said anode;
- forming a conductive bridge between an external electrical connection and an active cathode region wherein said active cathode region is on said dielectric;
- applying voltage to said external electrical connection;
- electrochemically polymerizing a monomer thereby forming an electrically conducting polymer of said monomer on said active cathode region;
- and
- disrupting said conductive bridge between said external electrical connection and said active cathode region.
A method for forming a capacitor comprising:
- providing an anode with a dielectric on said anode and a conductive node in electrical contact with said anode;
- forming a conductive path between said conductive node and an active cathode region wherein said active cathode region is on said dielectric;
- applying voltage to said anode;
- electrochemically polymerizing a monomer thereby forming an electrically conducting polymer of said monomer in said active cathode region;
- and
- disrupting said conductive path between said conductive node and said active cathode region.
A capacitor comprising:
- an anode;
- a dielectric on said anode;
- a disrupted conductive bridge between an external electrical connection and an active cathode region wherein said active cathode region is on said dielectric;
- and
- an electrochemical polymer on said active cathode region.
A capacitor comprising:
- an anode;
- a dielectric on said anode;
- a conductive node in electrical contact with said anode;
- and
- a disrupted conductive bridge between said conductive node and an active cathode region wherein said active cathode region is on said dielectric and comprises an electrically conducting polymer.
A method for forming a capacitor comprising:
- providing an anode with a dielectric thereon and a conductive node in electrical contact with said anode;
- forming an insulator on said dielectric;
- applying a conductive seed layer on said dielectric;
- forming a conductive bridge between said conductive seed layer and said conductive node;
- applying voltage to said anode;
- electrochemically polymerizing a monomer thereby forming an electrically conducting polymer of monomer on said conductive seed layer;
- and
- disrupting electrical conductivity between said conductive seed layer and said conductive node.
A method for forming a capacitor comprising:
- providing a process carrier;
- attaching an anode to said process carrier wherein said anode comprises a dielectric thereon;
- applying a conductive layer on said dielectric;
- forming electrical conductivity between said conductive layer and said process carrier;
- applying voltage to said process carrier;
- electrochemically polymerizing a monomer thereby forming an electrically conducting polymer of said monomer on said conductive layer;
- and
- disrupting said electrical conductivity between said conductive layer and said process carrier.
A method for forming a capacitor comprising:
- providing an anode wherein said anode comprises a dielectric thereon;
- applying a conductive layer on said dielectric;
- forming a conductive bridge in electrical contact with said conductive layer;
- forming electrical conductivity between said conductive bridge and an external electrical contact;
- applying voltage to said external electrical contact;
- electrochemically polymerizing a monomer thereby forming an electrically conducting polymer of said monomer on said conductive layer;
- and
- disrupting electrical conductivity between said conductive layer and said external electrical contact.
Dependencies are inferred from the claim text.