US5139856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plated ceramic or glass substrate having undercoat
Assignee: NGK Insulators Ltd
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Filing: 1989-12-20
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Granted: 1992-08-18
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Expires: 2009-12-20
Abstract
Abstract A plated ceramic or glass substrate having a plated surface, wherein an undercoat is formed between the surface of the substrate and the plating film. The undercoat includes nitrogen and at least one of chromium and titanium as major components thereof.
Inventors
- 👤 Yukihisa Takeuchi
- 👤 Azuma Yamamoto
- 👤 Susumu Hama
- 👤 Toshiki Goto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:14
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/34; C03C17/36; C03C17/3602; C03C17/3607; C03C17/3626; C03C17/3649; C03C17/3652; C03C17/3697; C04; C04B; C04B41/00; C04B41/45; C04B41/52; C04B41/80; C04B41/81; C04B41/89; H; H05; H05K; H05K3/00; H05K3/38; H05K3/388; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/24975; Y10T428/31504; Y10T428/31678; Y10T428/31844; Y10T428/31848; Y10T428/31851
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
67 words
A metal plated substrate comprising: a glass or ceramic substrate; a actual plated film which covers at least a portion of a surface of said substrate; and an electrically conductive undercoat formed between and continuous with both the surface of said substrate and said metal plated film, said undercoat consisting essentially of nitrogen and at least one metal selected from the group consisting of chromium and titanium.
Claim 2
Dependent Claim
67 words
A metal plated substrate comprising: a glass or ceramic substrate; a actual plated film which covers at least a portion of a surface of said substrate; and an electrically conductive undercoat formed between and continuous with both the surface of said substrate and said metal plated film, said undercoat consisting essentially of nitrogen and at least one metal selected from the group consisting of chromium and titanium.
Claim 3
Dependent Claim
14 words
The metal plated substrate of claim 1, wherein said metal plated film comprises copper.
Claim 4
Dependent Claim
14 words
The metal plated substrate of claim 1, wherein said metal plated film comprises nickel.
Claim 5
Dependent Claim
13 words
The metal plated substrate of claim 1, wherein said substrate consists of alumina.
Claim 6
Dependent Claim
23 words
The metal plated substrate of claim 1, wherein at least a portion of said electrically conductive undercoat consists of an electrically conductive nitride.
Claim 7
Dependent Claim
18 words
The metal plated substrate of claim 1, wherein said electrically conductive undercoat consists essentially of chromium and nitron.
Claim 8
Dependent Claim
21 words
The metal plated substrate of claim 1, wherein said electrically conductive undercoat has a thickness ranging from 0.001 μm-b 20.0 μm.
Claim 9
Dependent Claim
20 words
The metal plated substrate of claim 1, wherein said electrically conductive undercoat has a thickness ranging from 0.05 μm-5.0 μm.
Claim 10
Dependent Claim
93 words
A metal plated substrate comprising: a glass or ceramic substrate; a metal plated film which covers at least a portion of a surface of said substrate; and an electrically conductive undercoat formed between the surface of said substrate said said metal plated film, said electrically conducive undercoat consisting essentially of nitrogen and at least one metal selected from the group consisting of chromium and titanium; wherein when said metal plated film has an average thickness ranging from 3.0 μm-10 μm, said metal plated film has a variation in thickness ranging from 20-50%, respectively.
Claim 11
Dependent Claim
93 words
A metal plated substrate comprising: a glass or ceramic substrate; a metal plated film which covers at least a portion of a surface of said substrate; and an electrically conductive undercoat formed between the surface of said substrate said said metal plated film, said electrically conducive undercoat consisting essentially of nitrogen and at least one metal selected from the group consisting of chromium and titanium; wherein when said metal plated film has an average thickness ranging from 3.0 μm-10 μm, said metal plated film has a variation in thickness ranging from 20-50%, respectively.
Claim 12
Dependent Claim
100 words
A metal plated substrate comprising: a glass or ceramic substrate; a metal plated film which covers at least a portion of a surface of said substrate; and an electrically conductive undercoat formed between the surface of said substrate and said metal plated film, said electrically conductive undercoat consisting essentially of nitrogen and at least one metal selected from the group consisting of chromium and titanium; wherein when said electrically conductive undercoat has a thickness ranging from 0.2 μm-0.5 μm, said electrically conductive undercoat has a tensile bonding strength to the surface of said substrate ranging form 7 kg-8 kg, respectively.
Claim 13
Dependent Claim
100 words
A metal plated substrate comprising: a glass or ceramic substrate; a metal plated film which covers at least a portion of a surface of said substrate; and an electrically conductive undercoat formed between the surface of said substrate and said metal plated film, said electrically conductive undercoat consisting essentially of nitrogen and at least one metal selected from the group consisting of chromium and titanium; wherein when said electrically conductive undercoat has a thickness ranging from 0.2 μm-0.5 μm, said electrically conductive undercoat has a tensile bonding strength to the surface of said substrate ranging form 7 kg-8 kg, respectively.
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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) | 1995-08-18 | 1996-02-17 | 1996-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-08-18 | 2000-02-17 | 2000-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-08-18 | 2004-02-17 | 2004-08-18 | $7700.00 | Window Closed / Lapsed |