US4126807A
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Gas discharge display device containing source of lanthanum series material in dielectric layer of envelope structure
Assignee: OI Glass Inc
•
Filing: 1975-10-24
•
Granted: 1978-11-21
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Expires: 1995-10-24
Abstract
Abstract A gas discharge device containing at least two electrodes is shown, at least one thereof being insulated from the gas by at least one dielectric member containing a predetermined beneficial amount of a source of at least one Lanthanide Series rare earth such as La or Ce. In one embodiment a multiple gaseous discharge display/memory panel has an electrical memory, the panel including an ionizable gaseous medium in a chamber formed by a pair of opposed dielectric charge storage members, each of which is backed by an array of electrodes oriented with respect to the electrodes behind the opposing member to define a plurality of discrete discharge volumes constituting a discharge unit.
Inventors
- 👤 Donald K. Wedding
- 👤 Michael E. Fein
- 👤 Roger E. Ernsthausen
- 👤 Bernard W. Byrum, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:23
CPC Classifications
H; H01; H01J; H01J11/00; H01J11/10; H01J11/12; H01J11/20; H01J11/34; H01J11/38
Claims Analysis
Total Claims: 72
Claim 1
Independent Claim
66 words
In a gas discharge device comprising a gas chamber containing an ionizable gaseous medium and including at least two electrodes spaced from each other for receiving said ionizable gaseous medium therebetween, at least one of the electrodes being insulated from the gaseous medium by a dielectric member; the improvement wherein at least one dielectric member contains a source of at least one Lanthanide Series rare earth.
Claim 2
Dependent Claim
66 words
In a gas discharge device comprising a gas chamber containing an ionizable gaseous medium and including at least two electrodes spaced from each other for receiving said ionizable gaseous medium therebetween, at least one of the electrodes being insulated from the gaseous medium by a dielectric member; the improvement wherein at least one dielectric member contains a source of at least one Lanthanide Series rare earth.
Claim 3
Dependent Claim
24 words
The invention of claim 1 wherein the rare earth source is contained within one or more layers on a surface of the dielectric member.
Claim 4
Dependent Claim
17 words
The invention of claim 2 wherein the thickness of said layer is at least 100 angstrom units.
Claim 5
Dependent Claim
20 words
The invention of claim 3 wherein the thickness of said layer is between about 200 and about 10,000 angstrom units.
Claim 6
Dependent Claim
15 words
The invention of claim 1 wherein the rare earth source is a rare earth oxide.
Claim 7
Dependent Claim
36 words
The invention of claim 1 wherein said Lanthanide Series rare earth is selected from the group consisting of lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, and yttrium.
Claim 8
Dependent Claim
48 words
The invention of claim 6 wherein said source is a compound of lanthanum selected from the group consisting of lanthanum acetate, lanthanum phosphide, lanthanum bromate, lanthanum hexaboride, lanthanum bromide, lanthanum chloride, lanthanum carbide, lanthanum boride, lanthanum nitride, lanthanum nitrate, lanthanum fluoride, lanthanum sulfate, lanthanum iodide, and lanthanum sulfide.
Claim 9
Dependent Claim
52 words
The invention of claim 6 wherein said source is a compound of cerium selected from the group consisting of cerium acetate, cerium bromate, cerium carbide, cerium nitride, cerium phosphide, cerium boride, cerium sulfide, cerium carbonate, cerium chloride, cerium fluoride, cerium nitrate, cerium selenate, cerium iodate, cerium iodide, cerium oxalate, and cerium sulfate.
Claim 10
Dependent Claim
32 words
The invention of claim 6 wherein said source is a compound of praseodymium selected from the group consisting of praseodymium acetate, praseodymium bromate, praseodymium chloride, praseodymium fluoride, praseodymium selenate, and praseodymium sulfate.
Claim 11
Dependent Claim
36 words
The invention of claim 6 wherein said source is a compound of neodymium selected from the group consisting of neodymium acetate, neodymium carbide, neodymium bromate, neodymium bromide, neodymium chloride, neodymium fluoride, neodymium nitrate, and neodymium sulfate.
Claim 12
Dependent Claim
32 words
The invention of claim 6 wherein said source is a compound of samarium selected from the group consisting of samarium acetate, samarium bromate, samarium fluoride, samarium chloride, samarium carbide, and samarium sulfate.
Claim 13
Dependent Claim
32 words
The invention of claim 6 wherein said source is a compound of europium selected from the group consisting of europium sulfate, europium carbide, europium chloride, europium nitride, europium nitrate, and europium fluoride.
Claim 14
Dependent Claim
38 words
The invention of claim 6 wherein said source is a compound of gadolinium selected from the group consisting of gadolinium acetate, gadolinium bromide, gadolinium carbide, gadolinium chloride, gadolinium nitrate, gadolinium boride, gadolinium selenate, gadolinium phosphide, and gadolinium sulfate.
Claim 15
Dependent Claim
28 words
The invention of claim 6 wherein said source is a compound of terbium selected from the group consisting of terbium chloride, terbium fluoride, terbium nitrate, and terbium sulfate.
Claim 16
Dependent Claim
40 words
The invention of claim 6 wherein said source is a compound of dysprosium selected from the group consisting of dysprosium acetate, dysprosium bromate, dysprosium bromide, dysoprosium chloride, dysprosium fluoride, dysprosium chromate, dysprosium nitrate, dysprosium oxalate, dysprosium selenate, and dysprosium sulfate.
Claim 17
Dependent Claim
30 words
The invention of claim 6 wherein said source is a compound of holmium selected from the group consisting of holmium bromide, holmium chloride, holmium iodide, holmium fluoride and holmium oxalate.
Claim 18
Dependent Claim
30 words
The invention of claim 6 wherein said source is a compound of erbium selected from the group consisting of erbium chloride, erbium fluoride, erbium nitrate, erbium boride, and erbium sulfate.
Claim 19
Dependent Claim
26 words
The invention of claim 6 wherein said source is a compound of thulium selected from the group consisting of thulium chloride, thulium fluoride, and thulium boride.
Claim 20
Dependent Claim
34 words
The invention of claim 6 wherein said source is a compound of ytterbium selected from the group consisting of ytterbium acetate, ytterbium titanate, ytterbium chloride, ytterbium floride, ytterbium carbide, ytterbium boride, and ytterbium sulfate.
Claim 21
Dependent Claim
28 words
The invention of claim 6 wherein said source is a compound of lutetium selected from the group consisting of lutetium sulfate, lutetium fluoride, lutetium carbide, and lutetium boride.
Claim 22
Dependent Claim
40 words
The invention of claim 6 wherein said source is a compound of scandium selected from the group consistng of scandium bromide, scandium carbide, scandium chloride, scandium hydroxide, scandium nitride, scandium nitrate, scandium oxalate, scandium sulfate, scandium acetylacetonate, and scandium fluoride.
Claim 23
Dependent Claim
36 words
The invention of claim 6 wherein said source is a compound of yttrium selected from the group consisting of yttrium chloride, yttrium nitride, yttrium nitrate, yttrium sulfate, yttrium fluoride, yttrium carbide, yttrium sulfide and yttrium boride.
Claim 24
Dependent Claim
28 words
The invention of claim 1 wherein said source is a rare earth mineral selected from the group consisting of Monazite, Altaite, Lanthanite, Parisite, Samarskite, Bastnaesite, Euxenite and Mischmetall.
Claim 25
Dependent Claim
119 words
In a multiple gaseous discharge display/memory panel having an electrical memory, the panel having a light transmitting portion so that the luminous display may be viewed externally and being characterized by an ionizable gaseous medium in a gas chamber formed by a pair of opposed dielectric material charge storage members, each of which dielectric members is respectively backed by an array of electrodes, the electrodes behind each dielectric member being oriented with respect to the electrodes behind the opposing dielectric member so as to define a plurality of discrete discharge volumes, each volume of which constitutes a discharge unit; the improvement in which at least one dielectric member contains a source of at least one Lanthanide Series rare earth.
Claim 26
Dependent Claim
119 words
In a multiple gaseous discharge display/memory panel having an electrical memory, the panel having a light transmitting portion so that the luminous display may be viewed externally and being characterized by an ionizable gaseous medium in a gas chamber formed by a pair of opposed dielectric material charge storage members, each of which dielectric members is respectively backed by an array of electrodes, the electrodes behind each dielectric member being oriented with respect to the electrodes behind the opposing dielectric member so as to define a plurality of discrete discharge volumes, each volume of which constitutes a discharge unit; the improvement in which at least one dielectric member contains a source of at least one Lanthanide Series rare earth.
Claim 27
Dependent Claim
24 words
The invention of claim 24 wherein the rare earth source is contained within one or more layers on a surface of the dielectric member.
Claim 28
Dependent Claim
17 words
The invention of claim 25 wherein the thickness of said layer is at least 100 angstrom units.
Claim 29
Dependent Claim
20 words
The invention of claim 26 whrein the thickness of said layer is between about 200 and about 10,000 angstrom units.
Claim 30
Dependent Claim
15 words
The invention of claim 24 wherein the rare earth source is a rare earth oxide.
Claim 31
Dependent Claim
36 words
The invention of claim 24 wherein said Lanthanide Series rare earth is selected from the group consisting of lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, and yttrium.
Claim 32
Dependent Claim
48 words
The invention of claim 29 wherein said source is a compound of lanthanum selected from the group consisting of lanthanum acetate, lanthanum phosphide, lanthanum bromate, lanthanum hexaboride, lanthanum bromide, lanthanum chloride, lanthanum carbide, lanthanum boride, lanthanum nitride, lanthanum nitrate, lanthanum fluoride, lanthanum sulfate, lanthanum iodide, and lanthanum sulfide.
Claim 33
Dependent Claim
52 words
The invention of claim 29 wherein said source is a compound of cerium selected from the group consisting of cerium acetate, cerium bromate, cerium carbide, cerium nitride, cerium phosphide, cerium boride, cerium sulfide, cerium carbonate, cerium chloride, cerium fluoride, cerium nitrate, cerium selenate, cerium iodate, cerium iodide, cerium oxalate, and cerium sulfate.
Claim 34
Dependent Claim
32 words
The invention of claim 29 wherein said source is a compound of praseodymium selected from the group consisting of praseodymium acetate, praseodymium bromate, praseodymium chloride, praseodymium fluoride, praseodymium selenate, and praseodymium sulfate.
Claim 35
Dependent Claim
36 words
The invention of claim 29 wherein said source is a compound of neodymium selected from the group consisting of neodymium acetate, neodymium carbide, neodymium bromate, neodymium bromide, neodymium chloride, neodymium fluoride, neodymium nitrate, and neodymium sulfate.
Claim 36
Dependent Claim
32 words
The invention of claim 29 wherein said source is a compound of semarium selected from the group consisting of samarium acetate, samarium bromate, samarium fluoride, samarium chloride, samarium carbide, and samarium sulfate.
Claim 37
Dependent Claim
32 words
The invention of claim 29 wherein said source is a compound of europium selected from the group consisting of europium sulfate, europium carbide, europium chloride, europium nitride, europium nitrate, and europium fluoride.
Claim 38
Dependent Claim
38 words
The invention of claim 29 wherein said source is a compound of gadolinium selected from the group consisting of gadolinium acetate, gadolinium bromide, gadolinium carbide, gadolinium chloride, gadolinium nitrate, gadolinium boride, gadolinium selenate, gadolinium phosphide, and gadolinium sulfate.
Claim 39
Dependent Claim
28 words
The invention of claim 29 wherein said source is a compound of terbium selected from the group consisting of terbium chloride, terbium fluoride, terbium nitrate, and terbium sulfate.
Claim 40
Dependent Claim
40 words
The invention of claim 29 wherein said source is a compound of dysprosium selected from the group consisting of dysprosium acetate, dysprosium bromate, dysprosium bromide, dysoprosium chloride, dysprosium fluoride, dysprosium chromate, dysprosium nitrate, dysprosium oxalate, dysprosium selenate, and dysprosium sulfate.
Claim 41
Dependent Claim
30 words
The invention of claim 29 wherein said source is a compound of holmium selected from the group consisting of holmium bromide, holmium chloride, holmium iodide, holmium fluoride and holmium oxalate.
Claim 42
Dependent Claim
30 words
The invention of claim 29 wherein said source is a compound of erbium selected from the group consisting of erbium chloride, erbium fluoride, erbium nitrate, erbium boride, and erbium sulfate.
Claim 43
Dependent Claim
26 words
The invention of claim 29 wherein said source is a compound of thulium selected from the group consisting of thulium chloride, thulium fluoride, and thulium boride.
Claim 44
Dependent Claim
34 words
The invention of claim 29 wherein said source is a compound of ytterbium selected from the group consisting of ytterbium acetate, ytterbium titanate, ytterbium chloride, ytterbium fluoride, ytterbium carbide, ytterbium boride, and ytterbium sulfate.
Claim 45
Dependent Claim
28 words
The invention of claim 29 wherein said source is a compound of lutetium selected from the group consisting of lutetium sulfate, lutetium fluoride, lutetium carbide, and lutetium boride.
Claim 46
Dependent Claim
40 words
The invention of claim 29 wherein said source is a compound of scandium selected from the group consisting of scandium bromide, scandium carbide, scandium chloride, scandium hydroxide, scandium nitride, scandium nitrate, scandium oxalate, scandium sulfate, scandium acetylacetonate, and scandium fluoride.
Claim 47
Dependent Claim
36 words
The invention of claim 29 wherein said source is a compound of yttrium selected from the group consisting of yttrium chloride, yttrium nitride, yttrium nitrate, yttrium sulfate, yttrium fluoride, yttrium carbide, yttrium sulfide and yttrium boride.
Claim 48
Dependent Claim
28 words
The invention of claim 24 wherein said source is a rare earth mineral selected from the group consisting of Monazite, Altaite, Lanthanite, Parisite, Samarskite, Bastnaesite, Euxenite and Mischmetall.
Claim 49
Dependent Claim
98 words
In the operation of 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, each of which dielectric members is respectively backed by an array of electrodes, the electrodes behind each dielectric member being oriented with respect to the electrodes behind the opposing dielectric member to define a plurality of discrete discharge volumes, each volume of which constitutes a discharge unit; the improvement which comprises incorporating in at least one dielectric member a source of at least one Lanthanide Series rare earth.
Claim 50
Dependent Claim
98 words
In the operation of 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, each of which dielectric members is respectively backed by an array of electrodes, the electrodes behind each dielectric member being oriented with respect to the electrodes behind the opposing dielectric member to define a plurality of discrete discharge volumes, each volume of which constitutes a discharge unit; the improvement which comprises incorporating in at least one dielectric member a source of at least one Lanthanide Series rare earth.
Claim 51
Dependent Claim
24 words
The invention of claim 47 wherein at least one layer containing said rare earth source is applied to the surface of the dielectric member.
Claim 52
Dependent Claim
16 words
The invention of claim 47 wherein a rare earth oxide is incorporated in said dielectric member.
Claim 53
Dependent Claim
17 words
The invention of claim 48 wherein the thickness of said layer is at least 100 angstrom units.
Claim 54
Dependent Claim
20 words
The invention of claim 50 wherein said thickness of said layer is between about 200 and about 10,000 angstrom units.
Claim 55
Dependent Claim
36 words
The invention of claim 47 wherein said Lanthanide Series rare earth is selected from the group consisting of lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, and yttrium.
Claim 56
Dependent Claim
48 words
The invention of claim 52 wherein said source is a compound of lanthanum selected from the group consisting of lanthanum acetate, lanthanum phosphide, lanthanum bromate, lanthanum hexaboride, lanthanum bromide, lanthanum chloride, lanthanum carbide, lanthanum boride, lanthanum nitride, lanthanum nitrate, lanthanum fluoride, lanthanum sulfate, lanthanum iodide, and lanthanum sulfide.
Claim 57
Dependent Claim
52 words
The invention of claim 52 wherein said source is a compound of cerium selected from the group consisting of cerium acetate, cerium bromate, cerium carbide, cerium nitride, cerium phosphide, cerium boride, cerium sulfide, cerium carbonate, cerium chloride, cerium fluoride, cerium nitrate, cerium selenate, cerium iodate, cerium iodide, cerium oxalate, and cerium sulfate.
Claim 58
Dependent Claim
32 words
The invention of claim 52 wherein said source is a compound of praseodymium selected from the group consisting of praseodymium acetate, praseodymium bromate, praseodymium chloride, praseodymium fluoride, praseodymium selenate, and praseodymium sulfate.
Claim 59
Dependent Claim
36 words
The invention of claim 52 wherein said source is a compound of neodymium selected from the group consisting of neodymium acetate, neodymium carbide, neodymium bromate, neodymium bromide, neodymium chloride, neodymium fluoride, neodymium nitrate, and neodymium sulfate.
Claim 60
Dependent Claim
32 words
The invention of claim 52 wherein said source is a compound of semarium selected from the group consisting of samarium acetate, samarium bromate, samarium fluoride, samarium chloride, samarium carbide, and samarium sulfate.
Claim 61
Dependent Claim
32 words
The invention of claim 52 wherein said source is a compound of europium selected from the group consisting of europium sulfate, europium carbide, europium chloride, europium nitride, europium nitrate, and europium fluoride.
Claim 62
Dependent Claim
38 words
The invention of claim 52 wherein said source is a compound of gadolinium selected from the group consisting of gadolinium acetate, gadolinium bromide, gadolinium carbide, gadolinium chloride, gadolinium nitrate, gadolinium boride, gadolinium selenate, gadolinium phosphide, and gadolinium sulfate.
Claim 63
Dependent Claim
28 words
The invention of claim 52 wherein said source is a compound of terbium selected from the group consisting of terbium chloride, terbium fluoride, terbium nitrate, and terbium sulfate.
Claim 64
Dependent Claim
40 words
The invention of claim 52 wherein said source is a compound of dysprosium selected from the group consisting of dysprosium acetate, dysprosium bromate, dysprosium bromide, dysoprosium chloride, dysprosium fluoride, dysprosium chromate, dysprosium nitrate, dysprosium oxalate, dysprosium selenate, and dysprosium sulfate.
Claim 65
Dependent Claim
30 words
The invention of claim 52 wherein said source is a compound of holmium selected from the group consisting of holmium bromide, holmium chloride, holmium iodide, holmium fluoride and holmium oxalate.
Claim 66
Dependent Claim
30 words
The invention of claim 52 wherein said source is a compound of erbium selected from the group consisting of erbium chloride, erbium fluoride, erbium nitrate, erbium boride, and erbium sulfate.
Claim 67
Dependent Claim
26 words
The invention of claim 52 wherein said source is a compound of thulium selected from the group consisting of thulium chloride, thulium fluoride, and thulium boride.
Claim 68
Dependent Claim
34 words
The invention of claim 52 wherein said source is a compound of ytterbium selected from the group consisting of ytterbium acetate, ytterbium titanate, ytterbium chloride, ytterbium fluoride, ytterbium carbide, ytterbium boride, and ytterbium sulfate.
Claim 69
Dependent Claim
28 words
The invention of claim 52 wherein said source is a compound of lutetium selected from the group consisting of lutetium sulfate, lutetium fluoride, lutetium carbide, and lutetium boride.
Claim 70
Dependent Claim
40 words
The invention of claim 52 wherein said source is a compound of scandium selected from the group consisting of scandium bromide, scandium carbide, scandium chloride, scandium hydroxide, scandium nitride, scandium nitrate, scandium oxalate, scandium sulfate, scandium acetylacetonate, and scandium fluoride.
Claim 71
Dependent Claim
36 words
The invention of claim 52 wherein said source is a compound of yttrium selected from the group consisting of yttrium chloride, yttrium nitride, yttrium nitrate, yttrium sulfate, yttrium fluoride, yttrium carbide, yttrium sulfide and yttrium boride.
Claim 72
Dependent Claim
28 words
The invention of claim 47 wherein said source is a rare earth mineral selected from the group consisting of Monazite, Altaite, Lanthanite, Parisite, Samarskite, Bastnaesite, Euxenite and Mischmetall.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-11-20 | 1982-05-22 | 1982-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-20 | 1986-05-22 | 1986-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-20 | 1990-05-22 | 1990-11-21 | $7700.00 | Window Closed / Lapsed |