Patent US3293473A successfully refreshed from Google Patents.
US3293473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin, porous storage phosphor layer
Assignee: Tektronix Inc
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Filing: 1962-03-19
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Granted: 1966-12-20
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Expires: 1982-03-19
Abstract
No abstract record available.
Inventors
- 👤 Robert H Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:54
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/02; H01J23/06; H01J29/00; H01J29/02; H01J29/10; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A STORAGE TARGET, COMPRISING: A CONDUCTIVE SUBSTRATE BODY PROVIDING A TARGET ELECTRODE; AND A CHARGE STORAGE MEANS INCLUDING AN INTEGRAL SEMICONTINUOUS DIELECTRIC LAYER OF PHOSPHOR MATERIAL SUPPORTED ON ONE SIDE OF SAID SUBSTRATE BODY AND HAVING A THICKNESS THAT IS WITHIN THE RANGE OF THICKNESS OVER WHICH SAID PHOSPHOR MATERIAL IS CAPABLE OF STORING AN ELECTRIC CHARGE IMAGE PRODUCED ON SAID LAYER AND WILL EMIT A LIGHT IMAGE CORRESPONDING TO SAID CHARGE IMAGE FOR AN INDEFINITE TIME WHEN BOMBARDED BY ELECTRONS, SAID INTEGRAL PHOSPHOR LAYER WITHIN SAID RANGE OF THICKNESSES BEING SUFFICIENTLY THIN AND POROUS TO ENABLE SECONDARY ELECTRONS EMITTED FROM THE BOMBARDED SIDE OF SAID PHOSPHOR LAYER TO BE TRANSMITTED THROUGH THE PHOSPHOR LAYER AND COLLECTED BY THE TARGET ELECTRODE ON THE OPPOSITE SIDE OF SAID PHOSPHOR LAYER.
Claim 2
Dependent Claim
129 words
A STORAGE TARGET, COMPRISING: A CONDUCTIVE SUBSTRATE BODY PROVIDING A TARGET ELECTRODE; AND A CHARGE STORAGE MEANS INCLUDING AN INTEGRAL SEMICONTINUOUS DIELECTRIC LAYER OF PHOSPHOR MATERIAL SUPPORTED ON ONE SIDE OF SAID SUBSTRATE BODY AND HAVING A THICKNESS THAT IS WITHIN THE RANGE OF THICKNESS OVER WHICH SAID PHOSPHOR MATERIAL IS CAPABLE OF STORING AN ELECTRIC CHARGE IMAGE PRODUCED ON SAID LAYER AND WILL EMIT A LIGHT IMAGE CORRESPONDING TO SAID CHARGE IMAGE FOR AN INDEFINITE TIME WHEN BOMBARDED BY ELECTRONS, SAID INTEGRAL PHOSPHOR LAYER WITHIN SAID RANGE OF THICKNESSES BEING SUFFICIENTLY THIN AND POROUS TO ENABLE SECONDARY ELECTRONS EMITTED FROM THE BOMBARDED SIDE OF SAID PHOSPHOR LAYER TO BE TRANSMITTED THROUGH THE PHOSPHOR LAYER AND COLLECTED BY THE TARGET ELECTRODE ON THE OPPOSITE SIDE OF SAID PHOSPHOR LAYER.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |