US5206089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Product with glass substrate carrying a transparent conductive layer containing zinc and indium process for obtaining it
Assignee: Saint Gobain Glass France SAS
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Filing: 1991-05-16
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Granted: 1993-04-27
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Expires: 2011-05-16
Abstract
Abstract The product consists of a glass substrate and a layer of transparent conductive material comprised primarily of mixed oxide of indium and zinc containing 10-34 at. % indium obtained by surface pyrolysis of powder of organic compounds of zinc and indium.
Inventors
- 👤 Pablo Vilato
- 👤 Dominique Bruneel
- 👤 Bertrand Testulat
- 👤 Jean-Francois Oudard
- 👤 Jean-Michel Grimal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:14
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/266; Y10T428/31504; Y10T428/31551; Y10T428/31598; Y10T428/31601
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
73 words
A coated glass product, comprising a glass substrate and a transparent conductive layer of metal oxide thereon, wherein the layer is comprised of mixed oxide of zinc and indium containing 10-34 at. % of indium, values determined by electron microprobe analysis wherein said coated glass product exhibits a resistance of less than or equal to 10×10 -4 ohms/cm and an emissivity of less than 0.18 at a thickness of greater than 360 nm.
Claim 2
Dependent Claim
73 words
A coated glass product, comprising a glass substrate and a transparent conductive layer of metal oxide thereon, wherein the layer is comprised of mixed oxide of zinc and indium containing 10-34 at. % of indium, values determined by electron microprobe analysis wherein said coated glass product exhibits a resistance of less than or equal to 10×10 -4 ohms/cm and an emissivity of less than 0.18 at a thickness of greater than 360 nm.
Claim 3
Dependent Claim
14 words
Product pursuant to claim 1, wherein the layer contains 20-32 at. % of indium.
Claim 4
Dependent Claim
10 words
Product of claim 2, wherein the layer contains 28-31% indium.
Claim 5
Dependent Claim
24 words
Product according to claim 1, wherein the layer of mixed oxide also contains tin oxide in an atomic proportion of no more than 5%.
Claim 6
Dependent Claim
20 words
Product pursuant to claim 1, wherein it has a light transmission greater than or equal to 70%, using illuminant D65.
Claim 7
Dependent Claim
17 words
Product pursuant to claim 1, characterized in that the substrate is a clear or colored soda-calcium glass.
Claim 8
Dependent Claim
35 words
Product pursuant to claim 2, wherein it has a light transmission of 76% and the conductive layer has a resistance of 5.8×10 -4 Ω.cm and an emission of 0.18 for a thickness of 360 nm.
Claim 9
Dependent Claim
35 words
Product pursuant to claim 1, wherein it has a light transmission of 70% and the conductive layer has a resistance of 4.4×10 -4 Ω.cm and an emission of 0.15 for a thickness of 385 nm.
Claim 10
Dependent Claim
21 words
An insulating low-emission double window comprising the product of claim 1 and another sheet of glass separated by an air space.
Claim 11
Dependent Claim
14 words
The window of claim 9, in which the glass substrate is 4 mm thick.
Claim 12
Dependent Claim
45 words
A laminated heating window comprising the product of claim 1 and a sheet of polyurethane polymer, adhering to the conductive layer of said product and means for current lead-in arranged in contact with the conductive layer and along upper and lower edges of the window.
Claim 13
Dependent Claim
54 words
A laminated heating window, comprising the product of claim 1 and a glass plate being separated by a sheet of polymer selected from the group consisting of polyvinylbutyral, vinyl polychloride and polyurethane and having means of current lead-in arranged in contact with the conductive layer and along upper and lower edges of the window.
References Cited (Backward Citations)
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EP0131827A1
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US4849252A
Cited
US4948677A
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US4687687A
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FR2631330A1
Cited
US4977013A
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EP0353141A1
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US4965121A
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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) | 1996-04-26 | 1996-10-26 | 1997-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-04-26 | 2000-10-26 | 2001-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-04-26 | 2004-10-26 | 2005-04-27 | $7700.00 | Window Closed / Lapsed |