US3345208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabrication of electrolytic capacitors
Assignee: Constellium Singen GmbH
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Filing: 1963-08-23
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Granted: 1967-10-03
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Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Keller Hans
- 👤 Muhlhausser Martin
- 👤 Post Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:46
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/0029; H01G9/0036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
THE METHOD FOR THE FABRICATION OF SOLID ELECTROLYTE CAPACITORS BY FORMING A DIELECTRIC LAYER ON A FILM-FORMING METAL ANODE, COATING SAID DIELECTRIC LAYER WITH A METAL SALT WHICH IS CAPABLE OF BEING DECOMPOSED BY PYROLYSIS TO FORM A SEMICONDUCTIVE SUPEROXIDE LAYER, DECOMPOSING SAID METAL SALT BY HEATING TO FORM THE SEMICONDUCTIVE SUPEROXIDE AND COATING THE SEMICONDUCTIVE LAYER WITH A LAYER OF A CONDUCTIVE COUNTER-ELECTRODE, WHICH METHOD IS CHARACTERIZED IN THAT PYROLYSIS IS CARRIED OUT WITH ANHYDROUS MANGANESE NITRATE.
Claim 2
Independent Claim
78 words
THE METHOD FOR THE FABRICATION OF SOLID ELECTROLYTE CAPACITORS BY FORMING A DIELECTRIC LAYER ON A FILM-FORMING METAL ANODE, COATING SAID DIELECTRIC LAYER WITH A METAL SALT WHICH IS CAPABLE OF BEING DECOMPOSED BY PYROLYSIS TO FORM A SEMICONDUCTIVE SUPEROXIDE LAYER, DECOMPOSING SAID METAL SALT BY HEATING TO FORM THE SEMICONDUCTIVE SUPEROXIDE AND COATING THE SEMICONDUCTIVE LAYER WITH A LAYER OF A CONDUCTIVE COUNTER-ELECTRODE, WHICH METHOD IS CHARACTERIZED IN THAT PYROLYSIS IS CARRIED OUT WITH ANHYDROUS MANGANESE NITRATE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |