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US3299327A
Expired / Lapsed
US
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Housing for a three terminal semiconductor device having two insulation tube sections
Assignee: Infineon Technologies Americas Corp
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Filing: 1964-03-09
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Granted: 1967-01-17
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Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Roach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:06
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/60; H10D; H10D99/00; H10W72/00; H10W76/10; H10W76/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A HOUSING FOR A SEMICONDUCTOR WAFER HAVING A FIRST AND SECOND POWER TERMINAL AND A GATE TERMINAL HAVING A LEAD EXTENDING THEREFROM; SAID HOUSING COMPRISING (A) A CONDUCTIVE BASE STUD HAVING A FLAT WAFER RECEIVING SURFACE; (B) A FIRST INSULATION TUBE HAVING SPACED UPPER AND LOWER BRAZING RINGS SURROUNDING THE UPPER AND LOWER END RESPECTIVELY OF SAID INSULATION TUBE AND EXTENDING BEYOND THE RESPECTIVE ENDS OF SAID FIRST INSULATION TUBE; (C) A GATE TERMINAL CONDUCTOR ELECTRICALLY CONNECTED TO THE INTERIOR OF SAID UPPER BRAZING RING; (D) A SECOND INSULATION TUBE HAVING A SMALLER OUTER DIAMETER THAN THE OUTER DIAMETER OF SAID FIRST INSULATION TUBE AND HAVING SPACED UPPER AND LOWER BRAZING RINGS SURROUNDING THE UPPER AND LOWER END RESPECTIVELY OF SAID SECOND INSULATION TUBE;
Claim 2
Dependent Claim
124 words
A HOUSING FOR A SEMICONDUCTOR WAFER HAVING A FIRST AND SECOND POWER TERMINAL AND A GATE TERMINAL HAVING A LEAD EXTENDING THEREFROM; SAID HOUSING COMPRISING (A) A CONDUCTIVE BASE STUD HAVING A FLAT WAFER RECEIVING SURFACE; (B) A FIRST INSULATION TUBE HAVING SPACED UPPER AND LOWER BRAZING RINGS SURROUNDING THE UPPER AND LOWER END RESPECTIVELY OF SAID INSULATION TUBE AND EXTENDING BEYOND THE RESPECTIVE ENDS OF SAID FIRST INSULATION TUBE; (C) A GATE TERMINAL CONDUCTOR ELECTRICALLY CONNECTED TO THE INTERIOR OF SAID UPPER BRAZING RING; (D) A SECOND INSULATION TUBE HAVING A SMALLER OUTER DIAMETER THAN THE OUTER DIAMETER OF SAID FIRST INSULATION TUBE AND HAVING SPACED UPPER AND LOWER BRAZING RINGS SURROUNDING THE UPPER AND LOWER END RESPECTIVELY OF SAID SECOND INSULATION TUBE;
References Cited (Backward Citations)
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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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |