Patent US4517741B1 successfully refreshed from Google Patents.
US2833676A
Expired / Lapsed
US
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Metal coated dielectrics and method for producing same
Assignee: Erie Resistor Corp
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Filing: 1954-08-17
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Granted: 1958-05-06
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Expires: 1974-08-17
Abstract
No abstract record available.
Inventors
- 👤 Jerome D Heibel
- 👤 John W Schell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:28
CPC Classifications
H; H03; H03H; H03H3/00; H03H3/007; H03H3/02; H01; H01B; H01B1/00; H10; H10N; H10N30/00; H10N30/01; H10N30/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN THE METHOD OF GAS PLATING COPPER COATINGS ON THE SURFACE OF TITANATE CERAMIC DIELECTRICS BY FLOWING INTO CONTACT WITH THE HEATED SURFACE OF THE CERAMIC A MIXTURE OF INERT GAS AND CARBURETED VAPOR OF A COPPER COMPOUND HAVING THE PROPERTY OF VAPORIZING AT A TEMPERATURE BELOW THAT AT WHICH IT DECOMPOSES BY PYROLYSIS, THE IMPROVEMENT WHICH CONSISTS IN FIRST FREEING THE CERAMIC SURFACE OF ADSORBED OXYGEN BY SUBSTITUTION OF ADSORBED INERT GAS FOR THE ADSORBED OXYGEN PRIOR TO FLOWING THE MIXTURE INTO CONTACT WITH THE SURFACE WHEREBY THE PYROLYSIS OF THE COPPER COMPOUND TAKES PLACE ON AN OXYGEN FREE SURFACE AND THE RESULTANT COPPER COATING HAS LOW RESISTANCE CHARACTERISTIC OF A PURE COPPER RATHER THAN HIGH RESISTANCE CHARACTERISTIC OF A COPPER COATING HAVING CONDEPOSITED OXIDES.
Claim 2
Dependent Claim
126 words
IN THE METHOD OF GAS PLATING COPPER COATINGS ON THE SURFACE OF TITANATE CERAMIC DIELECTRICS BY FLOWING INTO CONTACT WITH THE HEATED SURFACE OF THE CERAMIC A MIXTURE OF INERT GAS AND CARBURETED VAPOR OF A COPPER COMPOUND HAVING THE PROPERTY OF VAPORIZING AT A TEMPERATURE BELOW THAT AT WHICH IT DECOMPOSES BY PYROLYSIS, THE IMPROVEMENT WHICH CONSISTS IN FIRST FREEING THE CERAMIC SURFACE OF ADSORBED OXYGEN BY SUBSTITUTION OF ADSORBED INERT GAS FOR THE ADSORBED OXYGEN PRIOR TO FLOWING THE MIXTURE INTO CONTACT WITH THE SURFACE WHEREBY THE PYROLYSIS OF THE COPPER COMPOUND TAKES PLACE ON AN OXYGEN FREE SURFACE AND THE RESULTANT COPPER COATING HAS LOW RESISTANCE CHARACTERISTIC OF A PURE COPPER RATHER THAN HIGH RESISTANCE CHARACTERISTIC OF A COPPER COATING HAVING CONDEPOSITED OXIDES.
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) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |