Patent US3258661A successfully refreshed from Google Patents.
US3258661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed semiconductor device
Assignee: —
•
Filing: —
•
Granted: 1966-06-28
•
Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:53
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A SEALED SEMICONDUCTOR DEVICE COMPRISING AN ENCLOSURE OF HEAT CONDUCTING MATERIAL CLOSED AT ONE END BY AN ELECTRICAL INSULATING WALL, A WAFER OF ELECTRICAL INSULATING MATERIAL HAVING GOOD HEAT-CONDUCTING PROPERTIES HAVING A SURFACE IN INTIMATE CONTACT WITH A SURFACE AT ANOTHER END OF THE ENCLOSURE OPPOSITE THE INSULATING WALL, A SEMICONDUCTOR ELEMENT POSITIONED BETWEEN THE WAFER AND THE INSULATING WALL IN GOOD HEAT-CONDUCTING ENGAGEMENT WITH THE WAFER AND HAVING LEADS CONNECTED THERETO EXTENDING TO THE OUTSIDE OF THE CLOSURE THROUGH SEALED OPENINGS IN THE INSULATING WALL, A SOLIDIFIED EPOXY RESIN COMPOUND OF GOOD HEAT CONDUCTING PROPERTIES COVERING THE WAFER AND ENGAGING AT LEAST PORTIONS OF TEH SEMICONDUCTOR ELEMENT AND THE SURFACE OF THE ENCLOSURE FOR ADHESIVELY SECURING THE WAFER AND THE SEMICONDUCTOR ELE-
Claim 2
Dependent Claim
123 words
A SEALED SEMICONDUCTOR DEVICE COMPRISING AN ENCLOSURE OF HEAT CONDUCTING MATERIAL CLOSED AT ONE END BY AN ELECTRICAL INSULATING WALL, A WAFER OF ELECTRICAL INSULATING MATERIAL HAVING GOOD HEAT-CONDUCTING PROPERTIES HAVING A SURFACE IN INTIMATE CONTACT WITH A SURFACE AT ANOTHER END OF THE ENCLOSURE OPPOSITE THE INSULATING WALL, A SEMICONDUCTOR ELEMENT POSITIONED BETWEEN THE WAFER AND THE INSULATING WALL IN GOOD HEAT-CONDUCTING ENGAGEMENT WITH THE WAFER AND HAVING LEADS CONNECTED THERETO EXTENDING TO THE OUTSIDE OF THE CLOSURE THROUGH SEALED OPENINGS IN THE INSULATING WALL, A SOLIDIFIED EPOXY RESIN COMPOUND OF GOOD HEAT CONDUCTING PROPERTIES COVERING THE WAFER AND ENGAGING AT LEAST PORTIONS OF TEH SEMICONDUCTOR ELEMENT AND THE SURFACE OF THE ENCLOSURE FOR ADHESIVELY SECURING THE WAFER AND THE SEMICONDUCTOR ELE-
References Cited (Backward Citations)
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US2853661A
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US3061766A
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US2930904A
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US3004196A
Cited
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Cited
US3020454A
Cited
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Cited
US3025437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |