Patent US3117229A successfully refreshed from Google Patents.
US3117229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state radiation detector with separate ohmic contacts to reduce leakage current
Assignee: Solid State Radiations Inc
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Filing: 1960-10-03
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Granted: 1964-01-07
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Expires: 1980-10-03
Abstract
No abstract record available.
Inventors
- 👤 Stephen S Friedland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:34
CPC Classifications
H; H10; H10F; H10F30/00; H10F30/20; H10F30/29; H10F30/292; H10F99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A NUCLEAR PARTICLE-RADIATION DETECTOR COMPONENT, COMPRISING: A SEMICONDUCTOR BODY CONSISTING OF A FIRST LAYER OF ONE TYPE OF SEMICONDUCTOR MATERIAL HAVING A RESISTIVITY OF THE ORDER OF 1000 OHM-CENTIMETERS, AND A SECOND LAYER OF ANOTHER TYPE OF SEMICONDUCTOR MATERIAL HAVING AN INCIDENT RADIATION SURFACE AND FORMING A PN JUNCTION WITH SAID FIRST LAYER AT A DISTANCE WITHIN ONE MICRON OF SAID INCIDENT SURFACE; A FIRST OHMIC CONTACT WITH THE PERIPHERY OF A SURFACE OF SAID FIRST LAYER WHICH IS GENERALLY PARALLEL TO SAID INCIDENT SURFACE; AND A SECOND OHMIC CONTACT WITH SAID SURFACE OF SAID FIRST LAYER BUT SPACED WITHIN SAID FIRST OHMIC CONTACT.
Claim 2
Dependent Claim
104 words
A NUCLEAR PARTICLE-RADIATION DETECTOR COMPONENT, COMPRISING: A SEMICONDUCTOR BODY CONSISTING OF A FIRST LAYER OF ONE TYPE OF SEMICONDUCTOR MATERIAL HAVING A RESISTIVITY OF THE ORDER OF 1000 OHM-CENTIMETERS, AND A SECOND LAYER OF ANOTHER TYPE OF SEMICONDUCTOR MATERIAL HAVING AN INCIDENT RADIATION SURFACE AND FORMING A PN JUNCTION WITH SAID FIRST LAYER AT A DISTANCE WITHIN ONE MICRON OF SAID INCIDENT SURFACE; A FIRST OHMIC CONTACT WITH THE PERIPHERY OF A SURFACE OF SAID FIRST LAYER WHICH IS GENERALLY PARALLEL TO SAID INCIDENT SURFACE; AND A SECOND OHMIC CONTACT WITH SAID SURFACE OF SAID FIRST LAYER BUT SPACED WITHIN SAID FIRST OHMIC CONTACT.
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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |