Solid electrolytic capacitors comprising a conductive layer made of a polymer of pyrrole or its derivative
Patent 5812367 Issued on September 22, 1998. Estimated Expiration Date: 
April 1, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 1, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesProcess for producing polypyrrole powder and the material so produced Chemical synthesis of conducting polypyrrole Method for manufacturing a solid electrolytic capacitor Solid capacitor Electrically conductive polymer gel and the method for manufacturing the same and an organism-use electrode with the use thereof Patent #: 5421982 InventorsAssigneeApplicationNo. 840445 filed on 04/01/1997US Classes:361/523, Solid electrolytic capacitor (e.g., dry electrolytic capacitor)29/25.03, Electrolytic device making (e.g., capacitor)361/529Aluminum or tantalumExaminersPrimary: Kincaid, KristineAssistant: Dinkins, Anthony Attorney, Agent or FirmForeign Patent References
International ClassH01G 009/00Foreign Application Priority Data1996-04-04 JPAbstractA solid electrolytic capacitor is composed of a pair of electrodes and a dielectric film therebetween, wherein one electrode includes a conducting polymer doped with a polyvalent anion and a monovalent anion. The conducting polymer layer may have a multi-layer structure wherein a second or third conductive polymer layer is made of doped thiophene or derivative thereof.Other References
Field of SearchElectrolytic device making (e.g., capacitor)Double layer electrolytic capacitor Liquid electrolytic capacitor With significant electrolyte With lead conductor Aluminum or tantalum Dielectric Solid electrolytic capacitor (e.g., dry electrolytic capacitor) With significant electrolyte or semiconductor Paste or gel Aluminum or tantalum Sheet, plate, or foil Reversing current or voltage Predominantly aluminum substrate Conductive material applied to substrate by painting, spraying, or immersion Conductive material applied to substrate by plating from bath containing metal ions and reducing agent (e.g., electroless plating, etc.) Gel electrolyte Solid electrolyte Electrode | |
