US3676252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of electrically mounting components in hybrid circuits
Assignee: RCA Licensing Corp
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Filing: 1970-04-13
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Granted: 1972-07-11
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Expires: 1990-04-13
Abstract
Abstract IN MOUNTING COMPONENTS SUCH AS CERAMIC CHIP CAPACITORS ON INSULATING SUBSTRATES SO AS TO MAKE GOOD ELECTRICAL CONNECTION WITH A CONDUCTING AREA OF THE SUBSTRATE, A SOLVENTLESS CONDUCTING COMPOSITION IS SCREEN PRINTED ON THE MOUNTING SURFACE AND THE CHIP IS PRESSED INTO THE COMPOSITION. THE COMPOSITION COMPRISES A LOW VISCOSITY LIQUID EPOXY RESIN, A HARDENER FOR THE RESIN, AND A RELATIVELY HIGH PROPORTION OF SILVER POWDER.
Inventors
- 👤 Trevor Richard Allington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:16
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/30; H05K3/32; H05K3/321; H10; H10N; H10N97/00; H05K1/00; H05K1/18; H05K1/181; H05K2201/00; H05K2201/10; H05K2201/10613; H05K2201/10621; H05K2201/10636; Y; Y02; Y02P; Y02P70/00; Y02P70/50; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/4913
Claims Analysis
Total Claims: 0
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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) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |