Patent US4247613A successfully refreshed from Google Patents.
US4247613A
Expired / Lapsed
US
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Electric field sensitization of polyacetylenic materials
Assignee: Eastman Kodak Co
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Filing: 1976-07-23
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Granted: 1981-01-27
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Expires: 1996-07-23
Abstract
Abstract A process is disclosed for increasing the radiation sensitivity of a layer containing a polyacetylenic material while at the same time extending its radiation sensitivity towards longer wavelengths. The process comprises applying a substantially uniform electric field across the polyacetylenic containing layer and imagewise exposing the layer while the electric field is uniformly applied. Novel elements capable of recording images from two different portions of the electromagnetic spectrum are also disclosed.
Inventors
- 👤 Robert J. Ott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:19
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/56; G03F; G03F7/00; G03F7/004; G03F7/025; G03G; G03G5/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
87 words
An imaging process comprising: (1) applying a substantially uniform electric field across a radiation-sensitive layer containing a polyacetylenic material of from about 1 volt/micron up to the dielectric breakdown potential of the radiation-sensitive layer; and (2) imagewise-polymerizing said polyacetylenic material by radiant energy by imagewise-exposing said radiation-sensitive layer to radiant energy while said electric field is substantially uniformly applied and maintained, thereby forming a visible image, said radiant energy being chosen so that when applied in the absence of an electric field no visible image is produced.
Claim 2
Dependent Claim
87 words
An imaging process comprising: (1) applying a substantially uniform electric field across a radiation-sensitive layer containing a polyacetylenic material of from about 1 volt/micron up to the dielectric breakdown potential of the radiation-sensitive layer; and (2) imagewise-polymerizing said polyacetylenic material by radiant energy by imagewise-exposing said radiation-sensitive layer to radiant energy while said electric field is substantially uniformly applied and maintained, thereby forming a visible image, said radiant energy being chosen so that when applied in the absence of an electric field no visible image is produced.
Claim 3
Dependent Claim
26 words
A process according to claim 1 wherein said radiation sensitive layer contains a polyacetylenic material having a minimum of two acetylenic linkages as a conjugated system.
Claim 4
Dependent Claim
16 words
A process according to claim 1 wherein said voltage gradiant is at least about 5 volts/micron.
Claim 5
Dependent Claim
25 words
A process according to claim 1 wherein said polyacetylenic material is selected from the group consisting of 10,12-docosadiynedioic acid monomethyl ester; N,N'-bis(2-methoxyethyl)-10,12-docosadiynediamine and 2,4-hexadiyne-1,6-diol bis(n-hexylurethane).
Claim 6
Dependent Claim
29 words
A process according to claim 1 where said radiation sensitive layer comprises a binder and a polyacetylenic material having a minimum of two acetylenic linkages as a conjugated system.
Claim 7
Dependent Claim
29 words
A process according to claim 1 where said radiation sensitive layer comprises a polyacetylenic material having a minimum of two acetylenic linkages as a conjugated system and a sensitizer.
Claim 8
Dependent Claim
26 words
A process according to claim 1 wherein said electric field is applied to only a portion of an element having a layer containing a polyacetylenic material.
Claim 9
Dependent Claim
15 words
A process according to claim 1 further comprising heating said layer containing a polyacetylenic material.
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) | 1984-01-27 | 1984-07-28 | 1985-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-01-27 | 1988-07-28 | 1989-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-01-27 | 1992-07-28 | 1993-01-27 | $7700.00 | Window Closed / Lapsed |