US3108904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing luminescent materials and luminescent screens prepared thereby
Assignee: General Electric Co
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Filing: 1960-08-30
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Granted: 1963-10-29
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Expires: 1980-08-30
Abstract
No abstract record available.
Inventors
- 👤 Dominic A Cusano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:58
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; H01J9/22; H01J9/221; Y; Y10; Y10S; Y10S428/00; Y10S428/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
THE METHOD OF PREPARING A CONTINUOUS ELECTRICALLY CONDUCTIVE LUMINESCENT ZINC OXIDE FILM WHICH COMPRISES: HEATING A SUBSTRATE IN AN ATMOSPHERE SATURATED WITH WATER VAPOR TO A TEMPERATURE INA PREDETERMINED TEMPERATURE RANGE; INTRODUCING IN THE VICINITY OF SAID SUBSTRATE A VAPORIZED MATERIAL WHICH IS SELECTED FROM THE GROUP CONSISTING OF ELEMENTAL ZINC AND ZINC COMPOUNDS WHICH UPON CHEMICAL REATION WTIH WATER VAPOR AT A TEMPERATURE WITHIN SAID PREDETERMINED TEMPERATURE RANGE WILL FORM ZINC OXIDE; INTERMINGLING SAID VAPORIZED MATERIAL WITH SAID WATER VAPOR IN THE VICINITY OF SAID HEATED SUBSTRATE; AND REACTING SAID INTERMINGLED VAPORS AT THE SURFACE OF SAID HEATED SUBSTRATE AND DEPOSITING THE REACTION PRODUCT ON THE SURFACE THEREOF IN THE FORM OF A CONTINUOUS ELECTRICALLY CONDUCTIVE LUMINESCENT FILM OF ZINC OXIDE.
Claim 2
Independent Claim
122 words
THE METHOD OF PREPARING A CONTINUOUS ELECTRICALLY CONDUCTIVE LUMINESCENT ZINC OXIDE FILM WHICH COMPRISES: HEATING A SUBSTRATE IN AN ATMOSPHERE SATURATED WITH WATER VAPOR TO A TEMPERATURE INA PREDETERMINED TEMPERATURE RANGE; INTRODUCING IN THE VICINITY OF SAID SUBSTRATE A VAPORIZED MATERIAL WHICH IS SELECTED FROM THE GROUP CONSISTING OF ELEMENTAL ZINC AND ZINC COMPOUNDS WHICH UPON CHEMICAL REATION WTIH WATER VAPOR AT A TEMPERATURE WITHIN SAID PREDETERMINED TEMPERATURE RANGE WILL FORM ZINC OXIDE; INTERMINGLING SAID VAPORIZED MATERIAL WITH SAID WATER VAPOR IN THE VICINITY OF SAID HEATED SUBSTRATE; AND REACTING SAID INTERMINGLED VAPORS AT THE SURFACE OF SAID HEATED SUBSTRATE AND DEPOSITING THE REACTION PRODUCT ON THE SURFACE THEREOF IN THE FORM OF A CONTINUOUS ELECTRICALLY CONDUCTIVE LUMINESCENT FILM OF ZINC OXIDE.
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |