US3819340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing dry aluminum capacitors, and capacitors obtained by this method
Assignee: US Philips Corp
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Filing: 1973-03-14
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Granted: 1974-06-25
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Expires: 1993-03-14
Abstract
Abstract A method of manufacturing dry aluminium capacitors wherein anode elements are punched from an aluminium plate and are successively etched, formed and provided with a semiconductor layer. After the covering with a graphite layer and a silver layer, an anode wire is connected to the anode element and a cathode wire is connected to the silver layer. Each anode element consists of a strip of coherent plates which, after etching and prior to forming, are folded one on the other so as to form a stack. Each strip is connected to a carrier ribbon by a connection tag on which a dam is formed which projects from the plane of the carrier ribbon.
Inventors
- 👤 J Heier
- 👤 W Zoethout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:18
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/0029
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A method as claimed in claim 1, characterized in that a dam projecting from the plane of the carrier ribbon is formed on the connecting tags prior to the forming.
Claim 2
Dependent Claim
55 words
A method as claimed in claim 1, characterized in that the connecting tags are cut to such a length that, after fixation of the anode wire on the connecting tag, the part of the anode wire which projects from the connecting tag is not covered with lacquer when the envelope is provided by dip lacquering.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-24 | 1977-12-24 | 1978-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-24 | 1981-12-24 | 1982-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-24 | 1985-12-24 | 1986-06-25 | $7700.00 | Window Closed / Lapsed |