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US4537798A
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US
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Semi-reflective glazing comprising a nickel-chromium-molybdenum alloy anchoring layer
Assignee: Saint Gobain Vitrage SA
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Filing: 1983-08-01
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Granted: 1985-08-27
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Expires: 2003-08-01
Abstract
Abstract A process for making semi-reflective metallized glasses containing an anchoring layer, said anchoring layer being deposited by vacuum evaporation from an alloy comprising nickel in an amount of from about 40-70% by weight, chromium in an amount of from about 5-31% by weight, and molybdenum in an amount of from about 3-28% by weight. The anchoring layer may also be deposited from an alloy of nickel, chromium, molybdenum and at least one metal selected from the group of tungsten, iron and cobalt, in an amount of from about 55-75% by weight nickel, iron and cobalt, from about 5-31% by weight chromium, and from about 3-28% by weight molybdenum and tungsten. The anchoring layer is deposited upon the surface of a support glass by vacuum evaporation after which one or more layers may be deposited upon this anchoring layer.
Inventors
- 👤 Sabatino Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:14
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C03; C03C; C03C17/00; C03C17/06; C03C17/09; C03C17/34; C03C17/36; C03C17/3602; C03C17/3615; C03C17/3642; C03C17/3652; C03C17/3681; C03C2217/00; C03C2217/70; C03C2217/78
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
74 words
In the process for making semi-reflective metallized glasses, the improvement which comprises vacuum depositing an anchoring layer of a nickel base alloy containing at least 3% molybdenum and at least 5 percent chromium by thermal evaporation from an evaporation crucible upon at least one face of a glass substrate, said alloy providing increased deposition rates, improved properties of the deposit, and the elimination or substantial reduction of corrosion and/or the breakage of said crucible.
Claim 2
Dependent Claim
74 words
In the process for making semi-reflective metallized glasses, the improvement which comprises vacuum depositing an anchoring layer of a nickel base alloy containing at least 3% molybdenum and at least 5 percent chromium by thermal evaporation from an evaporation crucible upon at least one face of a glass substrate, said alloy providing increased deposition rates, improved properties of the deposit, and the elimination or substantial reduction of corrosion and/or the breakage of said crucible.
Claim 3
Dependent Claim
26 words
The process according to claim 1 wherein said alloy comprises about 40-70% by weight nickel, about 5-31% by weight chromium, and about 3-28% by weight molybdenum.
Claim 4
Dependent Claim
15 words
The process of claim 1 wherein the vacuum evaporation is performed from a tungsten crucible.
Claim 5
Dependent Claim
25 words
The process according to claim 1 wherein said alloy further comprises at least one metal selected from the group consisting of tungsten, iron and cobalt.
Claim 6
Dependent Claim
34 words
The process of claim 4 wherein the amount of the iron is less than about one third by weight based upon the total amount of the nickel, iron and cobalt present in said alloy.
Claim 7
Dependent Claim
24 words
The process of claim 4 further comprising interposing between a sheet of glass and said semi-reflective glazing a lamina layer bonded by said alloy.
Claim 8
Dependent Claim
13 words
The process of claim 6 wherein the lamina layer is a polyvinylbutyral layer.
Claim 9
Dependent Claim
33 words
The process according to claim 1 wherein said alloy comprises about 55-75% by weight of nickel, iron and cobalt, about 5-31% by weight chromium, and about 3-28% by weight of molybdenum and tungsten.
Claim 10
Dependent Claim
69 words
The process of claim 8 wherein the alloy comprises from about 40-63% by weight nickel, from about 2-20% by weight iron and wherein the total of nickel, iron and cobalt is from about 58-68% by weight, from about 15-25% by weight chromium, and from about 5-18% by weight molybdenum, from about 0-6% by weight tungsten and wherein the total of molybdenum and tungsten is from about 5-22% by weight.
Claim 11
Dependent Claim
61 words
The process of claim 9 wherein the alloy comprises from about 15.5-17.5% by weight chromium, from about 16-18% by weight molybdenum, from about 3.7-5.3% by weight tungsten, below about 0.12% by weight carbon, from about 0.2-0.4% by weight vanadium, below about 2.5% by weight cobalt, from about 4.5-7% by weight iron and the balance of said alloy consisting essentially of nickel.
Claim 12
Dependent Claim
66 words
In the process for making semi-reflective metallized glasses, the improvement which comprises vacuum depositing from a tungsten evaporation crucible an anchoring layer of a nickel-chromium-molybdenum alloy upon at least one face of a glass substrate, said alloy comprising about 40-70% by weight nickel, about 5-31% by weight chromium, and about 3-28% by weight molybdenum, followed by depositing at least one semi-reflective layer upon said anchoring layer.
Claim 13
Dependent Claim
66 words
In the process for making semi-reflective metallized glasses, the improvement which comprises vacuum depositing from a tungsten evaporation crucible an anchoring layer of a nickel-chromium-molybdenum alloy upon at least one face of a glass substrate, said alloy comprising about 40-70% by weight nickel, about 5-31% by weight chromium, and about 3-28% by weight molybdenum, followed by depositing at least one semi-reflective layer upon said anchoring layer.
Claim 14
Dependent Claim
16 words
The process of claim 11 wherein the semi-reflective layer is comprised of gold, silver or copper.
Claim 15
Dependent Claim
15 words
The process of claim 11 wherein a dielectric layer is deposited upon the semi-reflective layer.
Claim 16
Dependent Claim
20 words
The process of claim 13 wherein the dielectric layer is silicon oxide, zinc sulfide or mixed indium and tin oxide.
Claim 17
Dependent Claim
29 words
The process of claim 11 further comprising the deposition of a nickel-chromium-molybdenum alloy layer upon said semi-reflective layer and the deposition of a dielectric layer upon said alloy layer.
Claim 18
Dependent Claim
40 words
The process of claim 15 wherein said alloy layer is substantially the same as said anchoring layer, said semi-reflective layer is gold, silver or copper, and said dielectric layer is silicon oxide, zinc sulfide or mixed indium and tin oxide.
Claim 19
Dependent Claim
24 words
The process of claim 11 further comprising interposing between a sheet of glass and said semi-reflective glazing a lamina layer bonded by said alloy.
Claim 20
Dependent Claim
11 words
The process of claim 17 wherein said lamina layer is polyvinylbutyral.
Claim 21
Dependent Claim
72 words
In the process for making semi-reflective metallized glasses, the improvement which comprises vacuum depositing from a tungsten evaporation crucible an anchoring layer of a nickel-chromium-molybdenum alloy upon at least one face of a glass substrate, said alloy comprising about 55-75% by weight of nickel, iron and cobalt, about 5-31% by weight chromium, and about 3-28% by weight molybdenum and tungsten, followed by depositing at least one semi-reflective layer upon said anchoring layer.
Claim 22
Dependent Claim
72 words
In the process for making semi-reflective metallized glasses, the improvement which comprises vacuum depositing from a tungsten evaporation crucible an anchoring layer of a nickel-chromium-molybdenum alloy upon at least one face of a glass substrate, said alloy comprising about 55-75% by weight of nickel, iron and cobalt, about 5-31% by weight chromium, and about 3-28% by weight molybdenum and tungsten, followed by depositing at least one semi-reflective layer upon said anchoring layer.
Claim 23
Dependent Claim
16 words
The process of claim 19 wherein the semi-reflective layer is comprised of gold, silver or copper.
Claim 24
Dependent Claim
15 words
The process of claim 19 wherein a dielectric layer is deposited upon the semi-reflective layer.
Claim 25
Dependent Claim
20 words
The process of claim 21 wherein the dielectric layer is silicon oxide, zinc sulfide or mixed indium and tin oxide.
Claim 26
Dependent Claim
30 words
The process of claim 19 further comprising the vacuum depositing of a nickel-chromium-molybdenum alloy layer upon said semi-reflective layer and the deposition of a dielectric layer upon said alloy layer.
Claim 27
Dependent Claim
40 words
The process of claim 23 wherein said alloy layer is substantially the same as said anchoring layer, said semi-reflective layer is gold, silver or copper, and said dielectric layer is silicon oxide, zinc sulfide or mixed indium and tin oxide.
Claim 28
Dependent Claim
24 words
The process of claim 19 further comprising interposing between a sheet of glass and said semi-reflective glazing, a lamina layer bonded by said alloy.
Claim 29
Dependent Claim
11 words
The process of claim 25 wherein said lamina layer is polyvinylbutyral.
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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) | 1988-08-26 | 1989-02-25 | 1989-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-26 | 1993-02-25 | 1993-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-26 | 1997-02-25 | 1997-08-27 | $7700.00 | Window Closed / Lapsed |