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Patent US3293501A successfully refreshed from Google Patents.
US3293501A
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Ceramic with metal film via binder of copper oxide containing glass
Assignee: Sprague Electric Co
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Filing: 1964-11-24
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Granted: 1966-12-20
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Expires: 1984-11-24
Abstract
No abstract record available.
Inventors
- 👤 Jacob H Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:32
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/005; H01G4/008; H01G4/0085; C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/51; C04B41/5105; C04B41/80; C04B41/81; C04B41/85; C04B41/88; H01B; H01B1/00; H01B1/14; H01B1/16; C04B2111/00; C04B2111/20; C04B2111/26; H05; H05K; H05K1/00; H05K1/02; H05K1/09; H05K1/092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN A CERAMIC CAPACITOR, A CERAMIC BASED MICROCIRCUIT OR THE LIKE, STRUCTURE INCLUDING A CERAMIC SUBSTRATE HAVING AT LEAST ONE CONDUCTIVE FILM BONDED THERETO: THE IMPROVEMENT WHEREIN SAID CONDUCTIVE FILM IS DERIVED FROM AN INTIMATE MIXTURE OF A NOBLE METAL, A GLASS COMPOSITION AND AN ORGANOCOPPER COMPOUND, SAID ORGANOCOPPER COMPOUND BEING DECOMPOSABLE TO AN ADHESION-ENCHANCING PROPORTION OF COPPER OXIDE EQUIVALENT TO FROM 0.1 TO 30% BY WEIGHT OF SAID GLASS COMPOSITION AND SAID NOBLE METAL; SAID FILM HAVING BEEN FIRED TO A TEMPERATURE SUFFICIENT TO DECOMPOSE SAID ORGANOCOPPER COMPOUND TO COPPER OXIDE AND EFFECTIVELY BOND SAID CONDUCTIVE FILM TO SAOD SUBSTRATE VIA SAID COPPER OXIDE AND SAID GLASS COMPOSITION.
Claim 2
Dependent Claim
109 words
IN A CERAMIC CAPACITOR, A CERAMIC BASED MICROCIRCUIT OR THE LIKE, STRUCTURE INCLUDING A CERAMIC SUBSTRATE HAVING AT LEAST ONE CONDUCTIVE FILM BONDED THERETO: THE IMPROVEMENT WHEREIN SAID CONDUCTIVE FILM IS DERIVED FROM AN INTIMATE MIXTURE OF A NOBLE METAL, A GLASS COMPOSITION AND AN ORGANOCOPPER COMPOUND, SAID ORGANOCOPPER COMPOUND BEING DECOMPOSABLE TO AN ADHESION-ENCHANCING PROPORTION OF COPPER OXIDE EQUIVALENT TO FROM 0.1 TO 30% BY WEIGHT OF SAID GLASS COMPOSITION AND SAID NOBLE METAL; SAID FILM HAVING BEEN FIRED TO A TEMPERATURE SUFFICIENT TO DECOMPOSE SAID ORGANOCOPPER COMPOUND TO COPPER OXIDE AND EFFECTIVELY BOND SAID CONDUCTIVE FILM TO SAOD SUBSTRATE VIA SAID COPPER OXIDE AND SAID GLASS COMPOSITION.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |