US3669733A
Expired / Lapsed
US
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Method of making a thick-film hybrid circuit
Assignee: RCA Licensing Corp
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Filing: 1969-12-12
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Granted: 1972-06-13
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Expires: 1989-12-12
Abstract
Abstract A TRANSPARENT, SCREEN-PRINTABLE INSULATION COMPOSITION FOR PROTECTING COMPONENTS OF A HYBRIDE INTEGRATED CIRCUIT COMPRISING A TRANSPARENT SYNTHETIC RESIN, MICA FLAKE AND RESIN SOLVENT IN SUCH PROPORTIONS AS TOBE SCREEN-PRINTABLE. ALSO A METHOD OF MAKING A HYBRID INTEGRATED CIRCUIT IN WHICH PASSIVE COMPONENTS ARE TRIMMED AFTER THE PROTECTIVE COATING IS APPLIED.
Inventors
- 👤 Trevor Richard Allington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:52
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/255; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/46; H01C; H01C1/00; H01C1/02; H01C1/032; H01C1/034; H01C17/00; H01C17/22; H01C17/24; H10; H10D; H10D84/00; H10D84/01; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099
Claims Analysis
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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) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |