US4586112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitor with idler
Assignee: Aerovox Corp
•
Filing: 1984-04-30
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Granted: 1986-04-29
•
Expires: 2004-04-30
Abstract
Abstract A capacitor having two metal foil electrodes connected to two terminals, and a metallized idler having an electrically non-conducting substrate with a metal coating thin enough to be self-healing at pre-determined voltage levels, the metal coating being capacitively coupled to each of the electrodes.
Inventors
- 👤 Frederick W. MacDougall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:17
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/38; H01G4/385
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
56 words
A capacitor comprising two metal foil electrodes, two terminals connected respectively to said electrodes, and a plurality of metallized idlers, wherein each said metallized idler is capacitively coupled to at least one other metallized idler, and wherein each metallized idler comprises an electrically non-conducting substrate with a metallized coating capacitively coupled to said metal foil electrodes.
Claim 2
Dependent Claim
56 words
A capacitor comprising two metal foil electrodes, two terminals connected respectively to said electrodes, and a plurality of metallized idlers, wherein each said metallized idler is capacitively coupled to at least one other metallized idler, and wherein each metallized idler comprises an electrically non-conducting substrate with a metallized coating capacitively coupled to said metal foil electrodes.
Claim 3
Dependent Claim
12 words
The capacitor of claim 1 wherein said two electrodes are not overlapping.
Claim 4
Dependent Claim
20 words
The invention of claim 1 in which said metal coating is no more than an average of 2000 Å thick.
Claim 5
Dependent Claim
18 words
The invention of claim 1 in which said metal coating is no less than about 300 Å thick.
Claim 6
Dependent Claim
18 words
The invention of claim 1 in which the electrically non-conducting substrate has a metal coating on both sides.
Claim 7
Dependent Claim
18 words
The invention of claim 1 in which the electrically non-conducting substrate has a metal coating on one side.
Claim 8
Dependent Claim
18 words
The invention of claim 1 in which the electrically non-conductive substrate is impregnated with a liquid dielectric impregnant.
Claim 9
Dependent Claim
13 words
The invention of claim 1 in which the electrically non-conductive substrate is paper.
Claim 10
Dependent Claim
59 words
A capacitor comprising two metal foil electrodes, two terminals connected respectively to said electrodes, a metal foil idler, and a plurality of metallized idlers, wherein said metal foil idler is capacitively coupled to a pair of metallized idlers, and wherein each metallized idler comprises an electrically non-conducting substrate with a metallized coating capacitively coupled to said metal foil electrodes.
Claim 11
Dependent Claim
59 words
A capacitor comprising two metal foil electrodes, two terminals connected respectively to said electrodes, a metal foil idler, and a plurality of metallized idlers, wherein said metal foil idler is capacitively coupled to a pair of metallized idlers, and wherein each metallized idler comprises an electrically non-conducting substrate with a metallized coating capacitively coupled to said metal foil electrodes.
Claim 12
Dependent Claim
41 words
A capacitor of the high-energy-density type, comprising two metal foil electrodes, two terminals connected respectively to said electrodes, and a metallized idler having an electrically non-conducting substrate with a metallized coating thinner than said metal foil electrodes and capacitively coupled thereto.
Claim 13
Dependent Claim
41 words
A capacitor of the high-energy-density type, comprising two metal foil electrodes, two terminals connected respectively to said electrodes, and a metallized idler having an electrically non-conducting substrate with a metallized coating thinner than said metal foil electrodes and capacitively coupled thereto.
Claim 14
Dependent Claim
12 words
The capacitor of claim 10 wherein said two electrodes are not overlapping.
Claim 15
Dependent Claim
20 words
The invention of claim 10 in which said metal coating is no more than an average of 2000 Å thick.
Claim 16
Dependent Claim
18 words
The invention of claim 10 in which said metal coating is no less than about 300 Å thick.
Claim 17
Dependent Claim
18 words
The invention of claim 10 in which the electrically non-conducting substrate has a metal coating on both sides.
Claim 18
Dependent Claim
18 words
The invention of claim 10 in which the electrically non-conducting substrate has a metal coating on one side.
Claim 19
Dependent Claim
18 words
The invention of claim 10 in which the electrically non-conductive substrate is impregnated with a liquid dielectric impregnant.
Claim 20
Dependent Claim
13 words
The invention of claim 10 in which the electrically non-conductive substrate is paper.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-04-28 | 1989-10-28 | 1990-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-28 | 1993-10-28 | 1994-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-28 | 1997-10-28 | 1998-04-29 | $7700.00 | Window Closed / Lapsed |