Patent US4381198A successfully refreshed from Google Patents.
US4381198A
Expired / Lapsed
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Ceramic metallizing ink
Assignee: Niterra Co Ltd
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Filing: 1982-06-14
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Granted: 1983-04-26
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Expires: 2002-06-14
Abstract
Abstract A ceramic metallizing ink for forming low resistance conductors is described, said ink comprising a metal powder component comprising tungsten, molybdenum or a combination thereof as the main ingredient, and from about 0.03 to about 5.00% by weight nickel, from about 0.03 to about 5.00% by weight of nickel and from about 0.02 to about 0.90% by weight of copper, or from about 0.03 to about 5.00% by weight of nickel and from about 0.02 to about 0.70% by weight of cobalt, which are contained in the ink in a state of soluble compounds thereof, together with an organic binder and a solvent.
Inventors
- 👤 Masaru Kondo
- 👤 Hisaharu Shiromizu
- 👤 Yoshio Ieda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:35
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/02; C23C18/12; C23C18/1204; C23C18/1208; H; H05; H05K; H05K1/00; H05K1/02; H05K1/09; H05K1/092
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
104 words
A ceramic metallizing ink for forming low resistance conductors, said ink comprising a metal powder component comprising tungsten, molybdenum or a combination thereof as the main ingredient, and (i) from about 0.03 to about 5.00% by weight nickel, (ii) from about 0.03 to about 5.00% by weight of nickel and from about 0.02 to about 0.90% by weight of copper, or (iii) from about 0.03 to about 5.00% by weight of nickel and from about 0.02 to about 0.70% by weight of cobalt, which are contained in the ink in a sate of soluble salts thereof, together with an organic binder and a solvent.
Claim 2
Dependent Claim
104 words
A ceramic metallizing ink for forming low resistance conductors, said ink comprising a metal powder component comprising tungsten, molybdenum or a combination thereof as the main ingredient, and (i) from about 0.03 to about 5.00% by weight nickel, (ii) from about 0.03 to about 5.00% by weight of nickel and from about 0.02 to about 0.90% by weight of copper, or (iii) from about 0.03 to about 5.00% by weight of nickel and from about 0.02 to about 0.70% by weight of cobalt, which are contained in the ink in a sate of soluble salts thereof, together with an organic binder and a solvent.
Claim 3
Dependent Claim
24 words
A ceramic metallizing ink according to claim 1, wherein such soluble compound is selected from a group consisting of sulfate compounds and nitrate compounds.
Claim 4
Dependent Claim
26 words
A ceramic metallizing ink according to claim 1, wherein said organic binder is selected from a group consisting of cellulose-series resins, acryl-series resins and phenol-series resins.
Claim 5
Dependent Claim
29 words
A ceramic metallizing ink according to claim 1 wherein said solvent is selected from a group consisting of toluene, xylene, methyl ethyl ketone, acetates, butylcarbitol and a turpentine oil.
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) | 1986-04-25 | 1986-10-25 | 1987-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-04-25 | 1990-10-25 | 1991-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-04-25 | 1994-10-25 | 1995-04-26 | $7700.00 | Window Closed / Lapsed |