US3229104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Four terminal electro-optical semiconductor device using light coupling
Assignee: International Business Machines Corp
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Filing: 1962-12-24
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Granted: 1966-01-11
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Expires: 1982-12-24
Abstract
No abstract record available.
Inventors
- 👤 Richard F Rutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:32
CPC Classifications
H; H10; H10F; H10F55/00; H10D; H10D18/00; H10D84/00; H10D99/00; H10F55/20; H10F55/25; H10F55/255; H10P; H10P10/00; H10P10/12; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A RADIATION COUPLED SEMICONDUCTOR DEVICE COMPRISING AN INTEGRAL CRYSTALLINE BODY OF A SEMICONDUCTOR MATERIAL HAVING A PLURALITY OF REGIONS OF DIFFERENT CONDUCTIVITY TYPE, THE PRINCIPAL PART OF SAID BODY BEING COMPOSED OF A SEMI-INSULATING MATERIAL, TWO SPACED JUNCTIONS WITHIN SAID INTEGRAL BODY, THE FIRST OF SAID JUNCTIONS BEING OPERABLE TO PRODUCE RECOMBINATION RADIATION DUE TO INJECTION OF CHARGE CARRIERS AND THE SECOND OF SAID JUNCTIONS BEING OPERABLE FOR ABSORBING RADIATION, SAID FIRST JUNCTION HAVING A REGION IN CONTIGUITY WITH SAID SEMI-INSULATING MATERIAL AND SAID SECOND JUNCTION HAVING A REGION IN CONTIGUITY WITH SAID SEMI-INSULATING MATERIAL, MEANS FOR BIASING SAID FIRST JUNCTION SO AS TO INJECT CHARGE CARRIERS THEREBY TO PRODUCE RECOMBINATION RADIATION AT SAID FIRST JUNCTION, WHICH RADIATION PROPAGATES THROUGH SAID SEMI-INSULATING MATERIAL, AND MEANS FOR BIASING SAID SECOND JUNCTION TO COLLECT THE CHARGE CARRIERS WHICH ARE GENERATED DUE TO THE ABSORPTION OF THE PROPAGATED RADIATION AT SAID SECOND JUNCTION.
Claim 2
Dependent Claim
150 words
A RADIATION COUPLED SEMICONDUCTOR DEVICE COMPRISING AN INTEGRAL CRYSTALLINE BODY OF A SEMICONDUCTOR MATERIAL HAVING A PLURALITY OF REGIONS OF DIFFERENT CONDUCTIVITY TYPE, THE PRINCIPAL PART OF SAID BODY BEING COMPOSED OF A SEMI-INSULATING MATERIAL, TWO SPACED JUNCTIONS WITHIN SAID INTEGRAL BODY, THE FIRST OF SAID JUNCTIONS BEING OPERABLE TO PRODUCE RECOMBINATION RADIATION DUE TO INJECTION OF CHARGE CARRIERS AND THE SECOND OF SAID JUNCTIONS BEING OPERABLE FOR ABSORBING RADIATION, SAID FIRST JUNCTION HAVING A REGION IN CONTIGUITY WITH SAID SEMI-INSULATING MATERIAL AND SAID SECOND JUNCTION HAVING A REGION IN CONTIGUITY WITH SAID SEMI-INSULATING MATERIAL, MEANS FOR BIASING SAID FIRST JUNCTION SO AS TO INJECT CHARGE CARRIERS THEREBY TO PRODUCE RECOMBINATION RADIATION AT SAID FIRST JUNCTION, WHICH RADIATION PROPAGATES THROUGH SAID SEMI-INSULATING MATERIAL, AND MEANS FOR BIASING SAID SECOND JUNCTION TO COLLECT THE CHARGE CARRIERS WHICH ARE GENERATED DUE TO THE ABSORPTION OF THE PROPAGATED RADIATION AT SAID SECOND JUNCTION.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |