US3127282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
process fox making phosphor layers
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:41
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/06; C23C14/0623; C23C14/0629; C23C14/58; C23C14/5806; C23C14/5846; C23C26/00; H; H01; H01J; H01J9/00; H01J9/20; H01J9/22; H01J9/221
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A PROCESS FOR PRODUCING ON A STUBSTRATE A PHOSPHOR FILM CHARACTERIZED BY EFFICIENT LIGHT EMISSION IN RESPONSE TO INCIDENT ULTRAVIOLET RADIATION, SAID FILM COMPRISING A SUBSTANCE SELECTED FROM THE CLASS CONSISTING OF THE SULFIDE, SELENIDE, TELLURIDE, SULFOSELEMIDE, SULFOTELLURIDE, SELENOTELLURIDE AND SULFOSELENOTELLURIDE OF BOTH ZINC AND CADMIUM, SAID PROCESS COMPRISING THE STEPS OF DEPOSITING ON SAID SUBSTRATE A LAYER COMPOSED OF A COMPOUND CONTAINING ONLY ONE OF THE TWO METALS ZINC AND CADMIUM, SELECTED FROM THE CLASS CONSISTING OF THE SULFIDE, SELENIDE, TELLURIDE, SULFOSELENIDE, SULFOTELLURIDE, SELENOTELLURIDE AND SULFOSELENOTELLURIDE OF SAID ONE METAL, AND THEREAFTER HEATING SAID LAYERS IN AN ATMOSPHERE CONSISTING ESSENTIALLY OF (1) AT LEAST ONE HALIDE OF THE OTHER OF SAID TWO METALS ZINC AND CADMIUM AND (2) AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF AIR, OXYGEN, AN INERT GAS AND AT LEAST ONE HALIDE OF SAID ONE METAL, SAID HEATING BEING CONTINUED UNTIL SAID LAYER IS ACTIVATED BY INTERACTION WITH SAID ATMOSPHERE TO PRODUCE EFFICIENT LIGHT EMISSION IN RESPONSE TO INCIDENT ULTRAVIOLET RADIATION.
Claim 2
Dependent Claim
168 words
A PROCESS FOR PRODUCING ON A STUBSTRATE A PHOSPHOR FILM CHARACTERIZED BY EFFICIENT LIGHT EMISSION IN RESPONSE TO INCIDENT ULTRAVIOLET RADIATION, SAID FILM COMPRISING A SUBSTANCE SELECTED FROM THE CLASS CONSISTING OF THE SULFIDE, SELENIDE, TELLURIDE, SULFOSELEMIDE, SULFOTELLURIDE, SELENOTELLURIDE AND SULFOSELENOTELLURIDE OF BOTH ZINC AND CADMIUM, SAID PROCESS COMPRISING THE STEPS OF DEPOSITING ON SAID SUBSTRATE A LAYER COMPOSED OF A COMPOUND CONTAINING ONLY ONE OF THE TWO METALS ZINC AND CADMIUM, SELECTED FROM THE CLASS CONSISTING OF THE SULFIDE, SELENIDE, TELLURIDE, SULFOSELENIDE, SULFOTELLURIDE, SELENOTELLURIDE AND SULFOSELENOTELLURIDE OF SAID ONE METAL, AND THEREAFTER HEATING SAID LAYERS IN AN ATMOSPHERE CONSISTING ESSENTIALLY OF (1) AT LEAST ONE HALIDE OF THE OTHER OF SAID TWO METALS ZINC AND CADMIUM AND (2) AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF AIR, OXYGEN, AN INERT GAS AND AT LEAST ONE HALIDE OF SAID ONE METAL, SAID HEATING BEING CONTINUED UNTIL SAID LAYER IS ACTIVATED BY INTERACTION WITH SAID ATMOSPHERE TO PRODUCE EFFICIENT LIGHT EMISSION IN RESPONSE TO INCIDENT ULTRAVIOLET RADIATION.
References Cited (Backward Citations)
US2402759A
Cited
US2810087A
Cited
US2685530A
Cited
GB851076A
Cited
US2936252A
Cited
US2967111A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |