Solid Electrolytic Capacitor Containing An Adhesive Film
First Claim
1. A capacitor comprising a solid electrolytic capacitor element that contains a sintered porous anode body, a dielectric that overlies the anode body, and a solid electrolyte, wherein the solid electrolyte contains an interior conductive polymer layer, an adhesive film overlying the interior conductive polymer layer, and an exterior conductive polymer layer that overlies the adhesive film, wherein the adhesive film is formed by sequential vapor deposition of a conductive polymer.
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0 Petitions
Accused Products
Abstract
A capacitor comprising a solid electrolytic capacitor element that contains a sintered porous anode body, a dielectric that overlies the anode body, and a solid electrolyte is provided. The solid electrolyte contains an interior conductive polymer layer overlying the dielectric, an adhesive film that overlies the interior conductive polymer layer, which may be formed by sequential vapor deposition. An exterior conductive polymer layer also overlies the adhesive film.
3 Citations
29 Claims
- 1. A capacitor comprising a solid electrolytic capacitor element that contains a sintered porous anode body, a dielectric that overlies the anode body, and a solid electrolyte, wherein the solid electrolyte contains an interior conductive polymer layer, an adhesive film overlying the interior conductive polymer layer, and an exterior conductive polymer layer that overlies the adhesive film, wherein the adhesive film is formed by sequential vapor deposition of a conductive polymer.
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4. A capacitor comprising a solid electrolytic capacitor element that contains a sintered porous anode body, a dielectric that overlies the anode body, and a solid electrolyte, wherein the solid electrolyte contains an interior conductive polymer layer, an adhesive film overlying the interior conductive polymer layer, and an exterior conductive polymer layer that overlies the adhesive film, wherein the adhesive film has a thickness of about 10 nanometers or more and an intrinsic conductivity of about 1,000 S/cm or more as determined at a temperature of about 25°
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16. A method for forming a solid electrolytic capacitor element, the method comprising:
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positioning a capacitor element with a reactor vessel, wherein the capacitor element comprises a sintered porous anode body, a dielectric overlying the anode body, and an interior conductive polymer layer overlying the dielectric; forming a film on the capacitor element by a sequential vapor deposition process, the process including subjecting the capacitor element to a reaction cycle that includes contacting the capacitor element with a gaseous precursor compound that bonds to a surface of the interior conductive polymer layer and thereafter contacting the capacitor element with a gaseous oxidizing agent to oxidize and/or polymerize the precursor compound; and applying an exterior conductive polymer layer over the film. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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Specification