US5135618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing a solid state electrolytic capacitor
Assignee: Tokin Corp
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Filing: 1991-09-03
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Granted: 1992-08-04
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Expires: 2011-09-03
Abstract
Abstract A process for manufacturing a solid state electrolytic capacitor having on an anode a dielectric coating layer and a solid state electrolytic layer, comprises the steps of forming a conductive polymer compound layer as the solid state electrolytic layer, and subsequently forming the dielectric coating layer by anodizing.
Inventors
- 👤 Yoshihiko Saiki
- 👤 Eishun Tsuchida
- 👤 Kimihisa Yamamoto
- 👤 Shinji Takeoka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:34
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/022; H01G9/025
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
49 words
A process for of manufacturing a solid state electrolytic capacitor having on an anode a dielectric coating layer and a solid state electrolytic layer, comprising the steps of: forming a conductive polymer compound layer as the solid state electrolytic layer; and subsequently forming the dielectric coating layer by anodizing.
Claim 2
Dependent Claim
49 words
A process for of manufacturing a solid state electrolytic capacitor having on an anode a dielectric coating layer and a solid state electrolytic layer, comprising the steps of: forming a conductive polymer compound layer as the solid state electrolytic layer; and subsequently forming the dielectric coating layer by anodizing.
Claim 3
Dependent Claim
20 words
A process according to claim 1, wherein the conductive polymer compound layer is formed by an electrolytic oxidative polymerization method.
Claim 4
Dependent Claim
29 words
A process according to claim 1, wherein the conductive polymer compound layer is formed by a chemical oxidative polymerization method and further formed by an electrolytic oxidative polymerization method.
Claim 5
Dependent Claim
27 words
A process according to claim 1, wherein the conductive polymer compound layer is deposited on an electrolytically oxidative-polymerized layer by a chemical oxidative polymerization method after anodizing.
Claim 6
Dependent Claim
13 words
A process according to claim 1, wherein the conductive polymer compound is polypyrrole.
References Cited (Backward Citations)
US4929316A
Cited
US5017272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-08-04 | 1996-02-03 | 1996-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-08-04 | 2000-02-03 | 2000-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-08-04 | 2004-02-03 | 2004-08-04 | $7700.00 | Window Closed / Lapsed |