US3089067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor device
Assignee: Motors Liquidation Co
•
Filing: 1957-09-30
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Granted: 1963-05-07
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Expires: 1977-09-30
Abstract
No abstract record available.
Inventors
- 👤 Donald R Baird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:18
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/10; H10W76/12; H10W76/13; H10W76/132; H10W72/00; H10W72/20; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53657
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN A SEMICONDUCTOR DEVICE, A SUPPORTING MEMBER OF GOOD ELECTRICAL AND HEAT CONDUCTING PROPERTIES HAVING A CENTRALLY LOCATED SOLID RAISED PEDESTAL, A TRANSISTOR INCLUDING A WAFER OF GERMANIUM HAVING A RING-SHAPED ELECTRODE OF INDIUM ALLOYED TO ONE FACE OF THE SURFACE AND A DISK-SHAPED ELECTRODE OF INDIUM ALLOYED TO THE OPPOSITE FACE IN ALIGNMENT WITH THE RING-SHAPED ELECTRODE, MEANS FOR SECURING SAID DISK-SHAPED ELECTRODE TO THE TOP OF THE PEDESTAL SO THAT THE SUPPORTING MEMBER ACTS AS ONE ELECTRODE OF THE TRANSISTOR, A CIRCULAR MEMBER SECURED TO THE PERIPHERY OF THE SUPPORTING MEMBER, A HOUSING MEANS FOR ENCLOSING SAID TRANSISTOR FITTING OVER THE SAME AND HAVING A RIBBED FLANGE ENGAGING A SURFACE OF THE CIRCULAR MEMBER AND ADAPTED TO BE WELDED TO SAID CIRCULAR MEMBER AT WHICH TIME THE RIB IS CONSUMED AND THE PARTS SEALED TOGETHER.
Claim 2
Dependent Claim
137 words
IN A SEMICONDUCTOR DEVICE, A SUPPORTING MEMBER OF GOOD ELECTRICAL AND HEAT CONDUCTING PROPERTIES HAVING A CENTRALLY LOCATED SOLID RAISED PEDESTAL, A TRANSISTOR INCLUDING A WAFER OF GERMANIUM HAVING A RING-SHAPED ELECTRODE OF INDIUM ALLOYED TO ONE FACE OF THE SURFACE AND A DISK-SHAPED ELECTRODE OF INDIUM ALLOYED TO THE OPPOSITE FACE IN ALIGNMENT WITH THE RING-SHAPED ELECTRODE, MEANS FOR SECURING SAID DISK-SHAPED ELECTRODE TO THE TOP OF THE PEDESTAL SO THAT THE SUPPORTING MEMBER ACTS AS ONE ELECTRODE OF THE TRANSISTOR, A CIRCULAR MEMBER SECURED TO THE PERIPHERY OF THE SUPPORTING MEMBER, A HOUSING MEANS FOR ENCLOSING SAID TRANSISTOR FITTING OVER THE SAME AND HAVING A RIBBED FLANGE ENGAGING A SURFACE OF THE CIRCULAR MEMBER AND ADAPTED TO BE WELDED TO SAID CIRCULAR MEMBER AT WHICH TIME THE RIB IS CONSUMED AND THE PARTS SEALED TOGETHER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |