Patent US3142587A successfully refreshed from Google Patents.
US3142587A
Expired / Lapsed
US
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Apparatus for producing electrical conductor films by explosive evaporation
Assignee: Unisys Corp
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Filing: 1961-01-03
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Granted: 1964-07-28
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Erwin G Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:52
CPC Classifications
H; H01; H01J; H01J41/00; H01J41/12; C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/32; H01B; H01B1/00; H01F; H01F41/00; H01F41/14; H01F41/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
APPARATUS FOR PRODUCING AT LEAST ONE FILM FROM AN ELECTRICAL CONDUCTOR COMPRISING VACUUM MEANS, AN INTEGRAL LENGTH OF ELECTRICAL CONDUCTOR DISPOSED WITHIN SAID VACUUM MEANS, MEANS INSIDE SAID VACUUM MEANS FOR HOLDING SAID CONDUCTOR BY ITS RESPECTIVE END PORTIONS, A SUBSTRATE ADJACENT SAID CONDUCTOR WHEN SO HELD, MEANS FOR RESISTIVELY HEATING SAID CONDUCTOR, MEANS FOR APPLYING ACROSS THE HEATED CONDUCTOR A VOLTAGE SUFFICIENT TO EXPLOSIVELY EVAPORATE SAID CONDUCTOR ONTO SAID SUBSTRATE AS SAID FILM, AND MEANS DISPOSED BETWEEN SAID SUBSTRATE AND THE CONDUCTOR END PORTIONS, A PART OF WHICH ARE EXPOSED BETWEEN SAID HOLDING MEANS AND COLD RELATIVE TO THE CENTRAL LENGTH OF SAID CONDUCTOR WHEN RESISTIVELY HEATED AS AFORESAID, TO PREVENT SPLATTERING OF SAID COLD ENDS UNDER SUCH SUBSTRATE WHEN SAID CONDUCTOR IS EXPLOSIVELY EVAPORATED.
Claim 2
Dependent Claim
126 words
APPARATUS FOR PRODUCING AT LEAST ONE FILM FROM AN ELECTRICAL CONDUCTOR COMPRISING VACUUM MEANS, AN INTEGRAL LENGTH OF ELECTRICAL CONDUCTOR DISPOSED WITHIN SAID VACUUM MEANS, MEANS INSIDE SAID VACUUM MEANS FOR HOLDING SAID CONDUCTOR BY ITS RESPECTIVE END PORTIONS, A SUBSTRATE ADJACENT SAID CONDUCTOR WHEN SO HELD, MEANS FOR RESISTIVELY HEATING SAID CONDUCTOR, MEANS FOR APPLYING ACROSS THE HEATED CONDUCTOR A VOLTAGE SUFFICIENT TO EXPLOSIVELY EVAPORATE SAID CONDUCTOR ONTO SAID SUBSTRATE AS SAID FILM, AND MEANS DISPOSED BETWEEN SAID SUBSTRATE AND THE CONDUCTOR END PORTIONS, A PART OF WHICH ARE EXPOSED BETWEEN SAID HOLDING MEANS AND COLD RELATIVE TO THE CENTRAL LENGTH OF SAID CONDUCTOR WHEN RESISTIVELY HEATED AS AFORESAID, TO PREVENT SPLATTERING OF SAID COLD ENDS UNDER SUCH SUBSTRATE WHEN SAID CONDUCTOR IS EXPLOSIVELY EVAPORATED.
References Cited (Backward Citations)
DE702937C
Cited
US2976174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |