US3131305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor radiation detector
Assignee: Merck and Co Inc
•
Filing: 1961-05-12
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Granted: 1964-04-28
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Expires: 1981-05-12
Abstract
No abstract record available.
Inventors
- 👤 Donald J Shombert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:44
CPC Classifications
H; H10; H10F; H10F30/00; H10F30/20; H10F55/00; H10F55/10; H10F99/00; Y; Y10; Y10S; Y10S148/00; Y10S148/148
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A RADIATION DETECTOR FOR HIGH ENERGY PARTICLES COMPRISING A PLURALITY OF CONTIGUOUS LAYERS OF SEMICONDUCTOR MATERIAL OF ALTERNATING CONDUCTIVITY TYPE AND OF A PREDETERMINED THICKNESS AND RESISTIVITY, THEREBY FORMING A PLURALITY OF JUNCTIONS, THE DIFFUSION LENGTH OF MINORITY CARRIERS IN EACH OF SAID LAYERS BEING SMALL IN COMPARISON WITH THE THICKNESS OF SAID LAYER; AND MEANS FOR BIASING ALTERNATE JUNCTIONS IN A REVERSE DIRECTION THEREBY TO FORM A WIDE DEPLETION REGION TO COLLECT SAID PARTICLES.
Claim 2
Dependent Claim
75 words
A RADIATION DETECTOR FOR HIGH ENERGY PARTICLES COMPRISING A PLURALITY OF CONTIGUOUS LAYERS OF SEMICONDUCTOR MATERIAL OF ALTERNATING CONDUCTIVITY TYPE AND OF A PREDETERMINED THICKNESS AND RESISTIVITY, THEREBY FORMING A PLURALITY OF JUNCTIONS, THE DIFFUSION LENGTH OF MINORITY CARRIERS IN EACH OF SAID LAYERS BEING SMALL IN COMPARISON WITH THE THICKNESS OF SAID LAYER; AND MEANS FOR BIASING ALTERNATE JUNCTIONS IN A REVERSE DIRECTION THEREBY TO FORM A WIDE DEPLETION REGION TO COLLECT SAID PARTICLES.
References Cited (Backward Citations)
US2847585A
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US2952817A
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US2988639A
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US3035213A
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US2988677A
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US3078328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |