US4130694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amorphous metal oxide material between electrodes of a cell
Assignee: AT&T Inc
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Filing: 1977-08-15
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Granted: 1978-12-19
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Expires: 1997-08-15
Abstract
Abstract {PG,1 Amorphous niobates and tantalates of the alkali metals lithium, potassium, and sodium which may be off-stoichiometric with regard to the related octahedrally coordinated crystalline compositions manifest high values of dielectric constant and ionic conductivity. Electrode bearing devices may be utilized, inter alia, as capacitors, electrolytic cells, and bolometers.
Inventors
- 👤 Alastair M. Glass
- 👤 Malcolm E. Lines
- 👤 Kurt Nassau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:19
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/05; H01M10/056; H01M10/0561; H01M10/0562; C; C03; C03C; C03C3/00; C03C3/12; C03C4/00; G; G01; G01J; G01J5/00; G01J5/10; G01J5/34; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01M6/00; H01M6/14; H01M6/18; H01M6/185; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
113 words
Device comprising a portion of material together with spaced electrodes intimately contacting the portion, the said material being amorphous within a region defining a continuous path intermediate the said electrodes, the amorphous state being characterized by absence of long-range ordering over a distance of at least 100 Angstrom units as indicated by X-ray diffraction, CHARACTERIZED IN THAT the said material comprises a composition which may be represented by the stoichiometry X 0 .5-1.2 Z 1 .1-0.96 O 3 in which X is at least one element selected from the group consisting of Li, Na, K; Z is at least one element selected from the group consisting of Nb, Ta; and O is oxygen.
Claim 2
Dependent Claim
113 words
Device comprising a portion of material together with spaced electrodes intimately contacting the portion, the said material being amorphous within a region defining a continuous path intermediate the said electrodes, the amorphous state being characterized by absence of long-range ordering over a distance of at least 100 Angstrom units as indicated by X-ray diffraction, CHARACTERIZED IN THAT the said material comprises a composition which may be represented by the stoichiometry X 0 .5-1.2 Z 1 .1-0.96 O 3 in which X is at least one element selected from the group consisting of Li, Na, K; Z is at least one element selected from the group consisting of Nb, Ta; and O is oxygen.
Claim 3
Dependent Claim
56 words
Device of claim 1 in which the said composition comprises at least 80 percent of the said material, the said material containing up to 10 weight percent of at least one glass former selected from the group consisting of P 2 O 5 , B 2 O 3 , SiO 2 , and GeO 2 .
Claim 4
Dependent Claim
61 words
Device of claim 2 in which X contains up to 20 ion percent of at least one ion selected from the group consisting of Mg 2+ and Ca 2+ and Z contains up to 20 ion percent of at least one ion selected from the group consisting of Mo 4+ , Ti 4+ , Zr 4+ , and W 4+ .
Claim 5
Dependent Claim
61 words
Device of claim 3 in which X contains up to 10 ion percent of at least one ion selected from the group consisting of Mg 2+ and Ca 2+ and Z contains up to 10 ion percent of at least one ion selected from the group consisting of Mo 4+ , Ti 4+ , Zr 4+ , and W 4+ .
Claim 6
Dependent Claim
17 words
Device of claim 1 in which X consists essentially of Li and Z consists essentially of Nb.
Claim 7
Dependent Claim
17 words
Device of claim 1 in which the said electrodes are blocking--i.e., are essentially non-conducting for X ions.
Claim 8
Dependent Claim
11 words
Device of claim 6 in which the said electrodes are metallic.
Claim 9
Dependent Claim
16 words
Device of claim 7 provided with a surface which is absorbing for radiation to be detected.
Claim 10
Dependent Claim
15 words
Device of claim 8 in which the said radiation is in the infrared wavelength range.
Claim 11
Dependent Claim
16 words
Device of claim 1 in which the said electrodes are non-blocking with respect to X ions.
Claim 12
Dependent Claim
49 words
Device of claim 10 in which the electrodes are of differing electrochemical potential, in which a first such electrode acts as a source of X ions and a second electrode acts as a sink for X ions, whereby an electric potential results between the said first and second electrodes.
Claim 13
Dependent Claim
12 words
Device of claim 11 in which the said first electrode comprises lithium.
Claim 14
Dependent Claim
40 words
Device of claim 12 in which the second electrode comprises a chalcogenide selected from the group consisting of NbSe 2 , VS 2 , TiS 2 , FeS x , where x equals a value of from 1 to 3.
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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) | 1981-12-18 | 1982-06-19 | 1982-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-18 | 1986-06-19 | 1986-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-18 | 1990-06-19 | 1990-12-19 | $7700.00 | Window Closed / Lapsed |