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US5399435A
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Amorphous oxide film and article having such film thereon
Assignee: AGC Inc
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Filing: 1992-01-16
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Granted: 1995-03-21
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Expires: 2012-01-16
Abstract
Abstract An amorphous oxide film composed essentially of an oxide containing at least one member selected from the group consisting of Zr, Ti, Hf, Sn, Ta and In and at least one member selected from the group consisting of B and Si.
Inventors
- 👤 Eiichi Ando
- 👤 Koichi Suzuki
- 👤 Junichi Ebisawa
- 👤 Susumu Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:17
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/34; C03C17/36; C03C17/3602; C03C17/3605; B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10165; B32B17/10174; B32B27/00; B32B27/06; C03C17/22; C03C17/23; C03C17/245; C03C17/25; C03C17/3411; C03C17/3417; C03C17/3429; C03C17/3435; C03C17/3482; C03C17/3488; C03C17/3613; C03C17/3618; C03C17/3639; C03C17/3644; C03C17/3652; C03C17/3657; C03C17/3681; C03C17/38; C03C17/42; C23; C23C; C23C14/00; C23C14/06; C23C14/08; C23C14/22; C23C14/34; C23C14/3407; C23C14/3414; G; G02; G02B; G02B1/00; G02B1/10; G02B1/105; G02B1/14; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/213; C03C2217/229; C03C2217/23; C03C2217/24; C03C2217/242; C03C2217/70; C03C2217/78; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/15; C03C2218/154; Y; Y02; Y02T; Y02T10/00; Y02T10/80; Y02T10/90; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
51 words
An article with high durability, which comprises a glass substrate and an amorphous oxide film consisting essentially of an oxide containing Zr and Si (ZrSi z O y ), wherein the atomic ratio z of Si to Zr is 0.05≦z<19, and the atomic ratio y of O to Zr is 2.1≦y<40.
Claim 2
Dependent Claim
51 words
An article with high durability, which comprises a glass substrate and an amorphous oxide film consisting essentially of an oxide containing Zr and Si (ZrSi z O y ), wherein the atomic ratio z of Si to Zr is 0.05≦z<19, and the atomic ratio y of O to Zr is 2.1≦y<40.
Claim 3
Dependent Claim
22 words
The article of claim 1, further comprising a heat radiation reflecting film located between said glass substrate and said amorphous oxide film.
Claim 4
Dependent Claim
22 words
The article with high durability according to claim 2, wherein the amorphous oxide layer has a refractive index of at most 2.0.
Claim 5
Dependent Claim
22 words
The article of claim 2, further comprising a transparent dielectric film, located between said glass substrate and said heat radiation reflecting film.
Claim 6
Dependent Claim
22 words
The article with high durability according to claim 4, wherein the amorphous oxide layer has a refractive index of at most 2.0.
Claim 7
Dependent Claim
57 words
The article with high durability according to claim 1, wherein a total of 2n+1 coating layer (n≧1) including a transparent oxide layer as the 2n+1 layer (n≧0) and a silver layer as the 2n layer (n≧1) are formed on the substrate, and the amorphous oxide layer is formed on the outermost layer of said 2n+1 coating layers.
Claim 8
Dependent Claim
28 words
The article with high durability according to claim 1 wherein one layer of the amorphous oxide film is formed on one side or each side of the substrate.
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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) | 1998-03-20 | 1998-09-19 | 1999-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-03-20 | 2002-09-19 | 2003-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-03-20 | 2006-09-19 | 2007-03-21 | $7700.00 | Window Closed / Lapsed |