Patent US3301468A successfully refreshed from Google Patents.
US3943394A
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Gaseous discharge display/memory panel with dielectric layer
Assignee: OI Glass Inc
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Filing: 1973-10-12
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Granted: 1976-03-09
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Expires: 1993-10-12
Abstract
Abstract There is disclosed a multiple gaseous discharge display/memory panel having an electrical memory and capable of producing a visual display, the panel being characterized by an ionizable gaseous medium in a gas chamber formed by a pair of opposed dielectric material charge storage members which are respectively backed by an array of conductor (electrode) members, the conductor array behind each dielectric material member being appropriately oriented with respect to the conductor array behind the opposing dielectric material member so as to define a plurality of discrete discharge volumes constituting a discharge unit, the surface of at least one dielectric material member comprising at least one inorganic non-oxide lead compound, said compound being present in an amount sufficient to improve the operating characteristics of the panel, especially more uniform and/or lower panel operating voltages. Although the invention typically comprises display/memory panels having opposed dielectric members, it is contemplated using this invention with panels having only one insulated electrode and/or only one dielectric member such as in a monolithic type device.
Inventors
- 👤 Roger E. Ernthausen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:01
CPC Classifications
H; H01; H01J; H01J11/00; H01J11/10; H01J11/12; G; G11; G11C; G11C11/00; G11C11/21; G11C11/26; G11C11/28
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
105 words
In a gaseous discharge display/memory device characterized by an ionizable gaseous medium in a gas chamber formed by a pair of opposed dielectric material charge storage members having surfaces in contact with the gaseous medium and at least one electrode insulated from the gaseous medium by a dielectric member, the improvement wherein each dielectric surface is at least partially coated with a layer of at least one inorganic non-lead oxide lead compound, said compound being present in an amount sufficient to improve the operating characteristics of the device by substantially decreasing preliminary aging and providing stable operating voltages for a given period of operating time.
Claim 2
Dependent Claim
105 words
In a gaseous discharge display/memory device characterized by an ionizable gaseous medium in a gas chamber formed by a pair of opposed dielectric material charge storage members having surfaces in contact with the gaseous medium and at least one electrode insulated from the gaseous medium by a dielectric member, the improvement wherein each dielectric surface is at least partially coated with a layer of at least one inorganic non-lead oxide lead compound, said compound being present in an amount sufficient to improve the operating characteristics of the device by substantially decreasing preliminary aging and providing stable operating voltages for a given period of operating time.
Claim 3
Dependent Claim
29 words
The invention of claim 1 wherein each dielectric surface is at least partially coated with the lead compound to a layer thickness of at least about 100 angstrom units.
Claim 4
Dependent Claim
21 words
The invention of claim 2 wherein the layer thickness ranges from about 200 angstrom units up to about 10,000 angstrom units.
Claim 5
Dependent Claim
121 words
In a gaseous discharge display/memory device comprising an ionizable gaseous medium in a gas chamber formed by a pair of opposed dielectric material charge storage members having surfaces in contact with the gaseous medium backed by electrode members which are insulated from the gaseous medium by said dielectric members, the electrode members behind each dielectric material surface being oriented with respect to the electrode members behind the opposing dielectric material surface so as to define a plurality of discharge units, the improvement wherein at least one inorganic non-lead oxide lead compound is applied to each opposed dielectric material surface in an amount sufficient to substantially decrease preliminary aging and to provide stable operating voltages for a given period of operating time.
Claim 6
Dependent Claim
121 words
In a gaseous discharge display/memory device comprising an ionizable gaseous medium in a gas chamber formed by a pair of opposed dielectric material charge storage members having surfaces in contact with the gaseous medium backed by electrode members which are insulated from the gaseous medium by said dielectric members, the electrode members behind each dielectric material surface being oriented with respect to the electrode members behind the opposing dielectric material surface so as to define a plurality of discharge units, the improvement wherein at least one inorganic non-lead oxide lead compound is applied to each opposed dielectric material surface in an amount sufficient to substantially decrease preliminary aging and to provide stable operating voltages for a given period of operating time.
Claim 7
Dependent Claim
86 words
As an article of manufacture, a dielectric material body having a structural configuration for use in a gaseous discharge display/memory device, said dielectric body having at least one electrode on one side thereof and on the opposite side thereof containing a surface deposit of at least one inorganic non-lead oxide lead compound, said compound being deposited in an amount sufficient to provide operating voltages when said dielectric material body is used in said device which do not substantially change over a given period of operating time.
Claim 8
Dependent Claim
86 words
As an article of manufacture, a dielectric material body having a structural configuration for use in a gaseous discharge display/memory device, said dielectric body having at least one electrode on one side thereof and on the opposite side thereof containing a surface deposit of at least one inorganic non-lead oxide lead compound, said compound being deposited in an amount sufficient to provide operating voltages when said dielectric material body is used in said device which do not substantially change over a given period of operating time.
Claim 9
Dependent Claim
24 words
The invention of claim 5 wherein the dielectric body is coated with the compound to a thickness of at least about 100 angstrom units.
Claim 10
Dependent Claim
21 words
The invention of claim 6 wherein the compound thickness ranges from about 200 angstrom units up to about 10,000 angstrom units.
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) | 1979-03-09 | 1979-09-08 | 1980-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-09 | 1983-09-08 | 1984-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-09 | 1987-09-08 | 1988-03-09 | $7700.00 | Window Closed / Lapsed |