US4524106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decorative carbon coating and method
Assignee: Ovonic Synthetic Materials Co Inc
•
Filing: 1983-06-23
•
Granted: 1985-06-18
•
Expires: 2003-06-23
Abstract
Abstract Coatings are provided that are especially useful for decorative purposes. The coatings are black, amorphous carbon and may be formed by dc magnetron sputtering on a substrate utilizing a target of high density graphite.
Inventors
- 👤 James D. Flasck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:38
CPC Classifications
D; D05; D05B; D05B69/00; D05B69/20; B; B05; B05D; B05D5/00; B05D5/06; C; C23; C23C; C23C14/00; C23C14/06; C23C14/0605; Y; Y10; Y10T; Y10T428/00; Y10T428/30; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
20 words
A coating applied to a substrate comprising a thin black layer consisting of amorphous carbon formed by dc magnetron sputtering.
Claim 2
Dependent Claim
20 words
A coating applied to a substrate comprising a thin black layer consisting of amorphous carbon formed by dc magnetron sputtering.
Claim 3
Dependent Claim
12 words
The coating of claim 1 wherein said layer has a high gloss.
Claim 4
Dependent Claim
16 words
The coating of claim 1 wherein said layer is from about 2000Å to about 5000Å thick.
Claim 5
Dependent Claim
21 words
The coating of claim 1 further comprising a layer of a substantially transparent protective material over said layer of amorphous carbon.
Claim 6
Dependent Claim
14 words
The coating of claim 1 wherein said layer of amorphous carbon is substantially non-transparent.
Claim 7
Independent Claim
31 words
A method of forming a black, amorphous coating consisting of carbon comprising dc magnetron sputtering a layer of black, amorphous carbon on a substrate utilizing a target of high density graphite.
Claim 8
Independent Claim
31 words
A method of forming a black, amorphous coating consisting of carbon comprising dc magnetron sputtering a layer of black, amorphous carbon on a substrate utilizing a target of high density graphite.
Claim 9
Dependent Claim
13 words
The method of claim 6 wherein said sputtered layer has a high gloss.
Claim 10
Dependent Claim
15 words
The method of claim 6 wherein said layer is from about 2000Å to 5000Å thick.
Claim 11
Dependent Claim
35 words
A coated article comprising: a substrate; and a decorative coating formed by dc magnetron sputtering over at least a portion of the substrate said coating consisting essentially of a thin black layer of disordered carbon.
Claim 12
Dependent Claim
35 words
A coated article comprising: a substrate; and a decorative coating formed by dc magnetron sputtering over at least a portion of the substrate said coating consisting essentially of a thin black layer of disordered carbon.
Claim 13
Dependent Claim
21 words
The article of claim 9 wherein said sputtering comprises dc magnetron sputtering with a negative bias voltage applied to the substrate.
Claim 14
Dependent Claim
14 words
The article of claim 9 wherein a carbon target is utilized in said sputtering.
Claim 15
Dependent Claim
12 words
The article of claim 9 wherein the article is an automobile part.
Claim 16
Dependent Claim
16 words
The article of claim 9 wherein said layer is from about 2000Å to about 5000Å thick.
Claim 17
Dependent Claim
15 words
The article of claim 9 further comprising a transparent protective coating over said black layer.
Claim 18
Independent Claim
46 words
A method of making a black decorative coating having a high gloss comprising: providing a relatively smooth surface; and dc magnetron sputtering carbon from a high density graphite target on the smooth surface to form a thin, black layer consisting of amorphous carbon on the surface.
Claim 19
Independent Claim
46 words
A method of making a black decorative coating having a high gloss comprising: providing a relatively smooth surface; and dc magnetron sputtering carbon from a high density graphite target on the smooth surface to form a thin, black layer consisting of amorphous carbon on the surface.
Claim 20
Dependent Claim
16 words
The method of claim 15 further comprising applying a bias voltage to the substrate during sputtering.
Claim 21
Dependent Claim
16 words
The method of claim 15 wherein said layer is from about 2000Å to about 5000Å thick.
Claim 22
Dependent Claim
19 words
The method of claim 15 wherein said relatively smooth surface is provided by precoating a substrate with polymer material.
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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) | 1988-06-17 | 1988-12-17 | 1989-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-17 | 1992-12-17 | 1993-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-17 | 1996-12-17 | 1997-06-18 | $7700.00 | Window Closed / Lapsed |