US3304445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor battery
Assignee: Lockheed Martin Corp
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Filing: 1961-02-13
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Granted: 1967-02-14
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Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 James B Weddell
- 👤 Precht Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:37
CPC Classifications
G; G21; G21H; G21H1/00; G21H1/06; H; H10; H10N; H10N15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
A DEVICE FOR DIRECTLY CONVERTING NUCLEAR ENERGY TO ELECTRICAL ENERGY COMPRISING A BODY OF SUBSTANTIALLY RADIATION STABLE SEMI-CONDUCTING MATERIAL THE RESISTANCE OF WHICH IS BETWEEN 100 MICROOHM CENTIMETERS AND 0.10 OHM CENTIMETERS HAVING A RADIO-ISOTOPE IN INHOMOGENEOUS MIXTURE THEREWITH CAPABLE OF CHARGED PARTICLE EMISSION WITH THE RATIO OF SAID RADIOISOTOPE TO SAID SEMI-CONDUCTING MATERIAL THEREIN BEING AT A MAXIMUM IN A FIRST REGION OF SAID BODY AND AT A MINIMUM IN A SECOND REGION OF SAID BODY SPACED FROM SAID FIRST REGION, THE CONCENTRATION OF RADIOISOTOPE ESSENTIALLY CONTINUOUS BETWEEN SAID REGIONS AND VARYING SO AS TO DECREASE IN A MONOTONIC MANNER FROM SAID FIRST REGION TO SAID SECOND REGION, A DAUGHTER PRODUCT IMPURITY EVOLVED FROM THE DECAY OF SAID RADIOISOTOPE IN MIXTURE WITHIN SAID SEMI-CONDUCTOR BODY, HAVING A CONCENTRATION ESSENTIALLY PROPORTIONATE WITH SAID CONCENTRATION OF RADIOISOTOPE SO AS TO ESTABLISH A QUASI ELECTRIC FIELD WITHIN SAID BODY, AND CHARGE CARRIERS PROVIDED IN IRRADIATING SAID SEMICONDUCTING MATERIAL WITH SAID CHARGED PARTICLE EMISSION, SAID CHARGE CARRIERS ESSENTIALLY INFLUENCED BY SAID QUASI ELECTRIC FIELD, THEREBY ESTABLISHING THE AVAILABILITY OF ELECTRIC ENERGY WITHIN SAID BODY, AND CONNECTION MEANS COUPLED TO SAID REGIONS FOR
Claim 2
Independent Claim
189 words
A DEVICE FOR DIRECTLY CONVERTING NUCLEAR ENERGY TO ELECTRICAL ENERGY COMPRISING A BODY OF SUBSTANTIALLY RADIATION STABLE SEMI-CONDUCTING MATERIAL THE RESISTANCE OF WHICH IS BETWEEN 100 MICROOHM CENTIMETERS AND 0.10 OHM CENTIMETERS HAVING A RADIO-ISOTOPE IN INHOMOGENEOUS MIXTURE THEREWITH CAPABLE OF CHARGED PARTICLE EMISSION WITH THE RATIO OF SAID RADIOISOTOPE TO SAID SEMI-CONDUCTING MATERIAL THEREIN BEING AT A MAXIMUM IN A FIRST REGION OF SAID BODY AND AT A MINIMUM IN A SECOND REGION OF SAID BODY SPACED FROM SAID FIRST REGION, THE CONCENTRATION OF RADIOISOTOPE ESSENTIALLY CONTINUOUS BETWEEN SAID REGIONS AND VARYING SO AS TO DECREASE IN A MONOTONIC MANNER FROM SAID FIRST REGION TO SAID SECOND REGION, A DAUGHTER PRODUCT IMPURITY EVOLVED FROM THE DECAY OF SAID RADIOISOTOPE IN MIXTURE WITHIN SAID SEMI-CONDUCTOR BODY, HAVING A CONCENTRATION ESSENTIALLY PROPORTIONATE WITH SAID CONCENTRATION OF RADIOISOTOPE SO AS TO ESTABLISH A QUASI ELECTRIC FIELD WITHIN SAID BODY, AND CHARGE CARRIERS PROVIDED IN IRRADIATING SAID SEMICONDUCTING MATERIAL WITH SAID CHARGED PARTICLE EMISSION, SAID CHARGE CARRIERS ESSENTIALLY INFLUENCED BY SAID QUASI ELECTRIC FIELD, THEREBY ESTABLISHING THE AVAILABILITY OF ELECTRIC ENERGY WITHIN SAID BODY, AND CONNECTION MEANS COUPLED TO SAID REGIONS FOR
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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |