Patent US3342655A successfully refreshed from Google Patents.
US3342655A
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Composition and method for electroding dielectric ceramics
Assignee: Electro Materials Corp of America
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Filing: 1964-06-24
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Granted: 1967-09-19
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Expires: 1984-06-24
Abstract
No abstract record available.
Inventors
- 👤 Crownover Joseph Wirt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:44
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/12; H01G4/1209; H01G4/1218; H01G4/1227; H01G4/005; H01G4/008; H01G4/0085; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
203 words
THE METHOD OF PRODUCING A MULTI-LAYER DIELECTRIC CERAMIC COMPRISING THE STEPS OF: (A) MIXING A FIRST SLURRY OF A RAW DIELECTRIC CERAMIC WITH A THERMOPLASTIC RESIN OF THE ACRYLATE AND METHACRYLATE GROUP, DISSOLVED IN A SUITABLE SOLVENT; (B) CASTING SAID LIQUID SLURRY INTO A SHEET AND PERMITTING SAID SOLVENT TO EVAPORATE, THEREBY FORMING A SHEET OF RAW WARE; (C) MIXING A SECOND SLURRY HAVING SUBSTANTIALLY THE SAME COMPOSITION AS SAID FIRST SLURRY; (D) MIXING INTO SAID SECOND SLURRY A FINELY POWDERED METAL OF HIGH CONDUCTIVITY IN THE RELATIVE PROPORTIONS OF FROM 20% TO 8% BY WEIGHT OF CERAMIC TO FROM 80% TO 92% BY WEIGHT OF POWDERED METAL TO PRODUCE A LIQUID ELECTRODING MIXTURE; (E) APPLYING SAID ELECTRODING MIXTURE TO COAT A SURFACE OF SAID SHEET OF RAW WARE AND PERMITTING THE SOLVENT TO EVAPORATE FROM SAID ELECTRODING MIXTURE; (F) ASSEMBLING A PLURALITY OF COATED SHEETS OF RAW WARE IN A STACK, EACH SHEET PREPARED IN ACCORDANCE WITH STEPS (A) THROUGH (E) ABOVE; (G) APPLYING PRESSURE TO SAID STACK OF COATED SHEETS OF RAW WARE TO COMPACT THE SAID STACK; AND (H) FIRING SAID STACK OF COATED SHEETS OF RAW WARE THROUGH A FIRING AND COOLING CYCLE OF PREDETERMINED TEMPERATURE RELATIVE TO TIME.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |