US4861669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sputtered titanium oxynitride films
Assignee: PPG Industries Ohio Inc
•
Filing: 1987-03-26
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Granted: 1989-08-29
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Expires: 2007-03-26
Abstract
Abstract A sputtered titanium oxynitride film is disclosed, as well as a low emissivity coated article comprising a titanium oxynitride film in combination with a highly infrared reflective metal film, such as silver.
Inventors
- 👤 Frank H. Gillery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:39
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/06; C23C14/0676; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12597; Y10T428/12771; Y10T428/12861; Y10T428/12889
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
44 words
An article of manufacture comprising: a. a transparent, nonmetallic substrate; b. a first transparent metal film of highly infrared reflective metal; c. a second transparent metal film of a protective metal over the infrared reflective metal film; and d. a sputtered titanium oxynitride film.
Claim 2
Dependent Claim
44 words
An article of manufacture comprising: a. a transparent, nonmetallic substrate; b. a first transparent metal film of highly infrared reflective metal; c. a second transparent metal film of a protective metal over the infrared reflective metal film; and d. a sputtered titanium oxynitride film.
Claim 3
Dependent Claim
11 words
An article according to claim 1, wherein said substrate is glass.
Claim 4
Dependent Claim
25 words
An article according to claim 2, further comprising a second titanium oxynitride film deposited between said substrate and said film of highly infrared reflective metal.
Claim 5
Dependent Claim
23 words
An article according to claim 3, wherein said highly infrared reflective metal is selected from the group consisting of gold, silver and copper.
Claim 6
Dependent Claim
11 words
An article according to claim 4, wherein said metal is silver.
Claim 7
Dependent Claim
53 words
An article of manufacture comprising: a. a glass substrate; b. a first layer of titanium oxynitride on the glass surface; c. a silver film deposited over said first titanium oxynitride layer; d. a film comprising titanium over the silver film; and a second layer of titanium oxynitride deposited over said film comprising titanium.
Claim 8
Dependent Claim
53 words
An article of manufacture comprising: a. a glass substrate; b. a first layer of titanium oxynitride on the glass surface; c. a silver film deposited over said first titanium oxynitride layer; d. a film comprising titanium over the silver film; and a second layer of titanium oxynitride deposited over said film comprising titanium.
References Cited (Backward Citations)
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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) | 1992-08-28 | 1993-02-27 | 1993-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-28 | 1997-02-27 | 1997-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-28 | 2001-02-27 | 2001-08-29 | $7700.00 | Window Closed / Lapsed |