US2830238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat dissipating semiconductor device
Assignee: Raytheon Co
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Filing: 1955-09-30
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Granted: 1958-04-08
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Expires: 1975-09-30
Abstract
No abstract record available.
Inventors
- 👤 Richard A Gudmundsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:53
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/10; H10W76/12; H10W76/161; H10W40/00; H10W40/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A FUSED JUNCTION SEMICONDUCTOR DEVICE COMPRISING: A SEMICONDUCTOR CRYSTAL BODY OF ONE CONDUCTIVITY TYPE HAVING A REGION OF SEMICONDUCTOR CRYSTAL MATERIAL OF THE OPPOSITE CONDUCTIVITY TYPE THEREIN DEFINING A P-N JUNCTION; A FIRST ELECTRODE OHICALLY CONNECTED TO SAID ONE CONDUCTIVITY REGION, A THERMALLY CONDUCTIVE MEMBER OHMICALLY AFFIXED TO SAID OPPOSITE CONDUCTIVITY REGION; A SECOND ELECTRODE IN OHMIC CONTACT WITH SAID OPPOSITE CONDUCTIVITY REGION, AND INSULATIVE ENCAPSULATION MEANS SURROUNDING SAID CRYSTAL BODY AND SAID HEAT CONDUCTING MEMBER, THE INNER SURFACE OF SAID INSULATIVE ENCAPSULATION MEANS CONTACTING SAID HEAT CONDUCTING MEMBER TO PROVIDE A THERMALLY CONDUCTIVE PATH FROM SAID CRYSTAL BODY.
Claim 2
Dependent Claim
99 words
A FUSED JUNCTION SEMICONDUCTOR DEVICE COMPRISING: A SEMICONDUCTOR CRYSTAL BODY OF ONE CONDUCTIVITY TYPE HAVING A REGION OF SEMICONDUCTOR CRYSTAL MATERIAL OF THE OPPOSITE CONDUCTIVITY TYPE THEREIN DEFINING A P-N JUNCTION; A FIRST ELECTRODE OHICALLY CONNECTED TO SAID ONE CONDUCTIVITY REGION, A THERMALLY CONDUCTIVE MEMBER OHMICALLY AFFIXED TO SAID OPPOSITE CONDUCTIVITY REGION; A SECOND ELECTRODE IN OHMIC CONTACT WITH SAID OPPOSITE CONDUCTIVITY REGION, AND INSULATIVE ENCAPSULATION MEANS SURROUNDING SAID CRYSTAL BODY AND SAID HEAT CONDUCTING MEMBER, THE INNER SURFACE OF SAID INSULATIVE ENCAPSULATION MEANS CONTACTING SAID HEAT CONDUCTING MEMBER TO PROVIDE A THERMALLY CONDUCTIVE PATH FROM SAID CRYSTAL BODY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |