US5165960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deposition of magnesium fluoride films
Assignee: Visteon Global Technologies Inc
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Filing: 1991-07-29
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Granted: 1992-11-24
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Expires: 2011-07-29
Abstract
Abstract A reactive precursor, for depositing a magnesium fluoride film on glass by a spray pyrolysis or chemical vapor deposition process, comprises magnesium acetylacetonate, trifluoroacetic acid, and optionally a solvent.
Inventors
- 👤 Dennis R. Platts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:36
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/34; C03C17/36; C03C17/3602; C03C17/3605; C03C17/22; C03C17/3411; C03C17/3429; C03C17/3447; C03C17/3452; C03C17/3621; C03C17/3642; C03C2217/00; C03C2217/20; C03C2217/28; C03C2217/284; C03C2217/285; C03C2217/70; C03C2217/73; C03C2217/732; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/112; C03C2218/15; C03C2218/152
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
64 words
A process for depositing a film of magnesium fluoride on a glass substrate, comprising; A) heating the glass substrate to a temperature of about 900° F. to 1200° F.; and B) delivering to a surface of the heated glass substrate a reactive precursor, comprising a mixture of magnesium acetylacetonate, trifluoroacetic acid, and optionally a solvent, sufficient to form a film of magnesium fluoride thereon.
Claim 2
Dependent Claim
64 words
A process for depositing a film of magnesium fluoride on a glass substrate, comprising; A) heating the glass substrate to a temperature of about 900° F. to 1200° F.; and B) delivering to a surface of the heated glass substrate a reactive precursor, comprising a mixture of magnesium acetylacetonate, trifluoroacetic acid, and optionally a solvent, sufficient to form a film of magnesium fluoride thereon.
Claim 3
Dependent Claim
39 words
The process for depositing a film of magnesium fluoride on a glass substrate according to claim 1, wherein the reactive precursor is delivered to the surface of the heated glass substrate in liquid form in a spray pyrolysis process.
Claim 4
Dependent Claim
40 words
The process for depositing a film of magnesium fluoride on a glass substrate according to claim 1, wherein the reactive precursor is delivered to the surface of the heated glass substrate in vapor form in a chemical vapor deposition process.
Claim 5
Dependent Claim
34 words
The process for depositing a film of magnesium fluoride on a glass substrate according to claim 1, wherein the magnesium acetylacetonate comprises from about 4% to about 20% by weight of the reactive precursor.
Claim 6
Dependent Claim
34 words
The process for depositing a film of magnesium fluoride on a glass substrate according to claim 1, wherein the trifluoroacetic acid comprises from about 5% to about 95% by weight of the reactive precursor.
Claim 7
Dependent Claim
34 words
The Process for depositing a film of magnesium fluoride on a glass substrate according to claim 1, wherein the the solvent comprises from about 60% to about 80% by weight of the reactive precursor.
Claim 8
Dependent Claim
84 words
A process for depositing a film of magnesium fluoride on a glass substrate, comprising: A) heating the glass substrate to a temperature from about 900° F. to about 1,200° F.; and B) delivering to a surface of the heated glass substrate a reactive precursor, comprising a mixture of about 10% to about 18% by weight magnesium acetylacetonate, about 8% to about 14% by weight trifluoroacetic acid, and about 70% to about 80% by weight solvent, sufficient to form a film of magnesium fluoride thereon.
Claim 9
Dependent Claim
84 words
A process for depositing a film of magnesium fluoride on a glass substrate, comprising: A) heating the glass substrate to a temperature from about 900° F. to about 1,200° F.; and B) delivering to a surface of the heated glass substrate a reactive precursor, comprising a mixture of about 10% to about 18% by weight magnesium acetylacetonate, about 8% to about 14% by weight trifluoroacetic acid, and about 70% to about 80% by weight solvent, sufficient to form a film of magnesium fluoride thereon.
Claim 10
Dependent Claim
39 words
The process for depositing a film of magnesium fluoride on a glass substrate according to claim 7, wherein the reactive precursor is delivered to the surface of the heated glass substrate in liquid form in a spray pyrolysis process.
Claim 11
Dependent Claim
40 words
The process for depositing a film of magnesium fluoride on a glass substrate according to claim 7, wherein the reactive precursor is delivered to the surface of the heated glass substrate in vapor form in a chemical vapor deposition process.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-11-24 | 1996-05-25 | 1996-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-11-24 | 2000-05-25 | 2000-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-11-24 | 2004-05-25 | 2004-11-24 | $7700.00 | Window Closed / Lapsed |