Patent US3278337A successfully refreshed from Google Patents.
US3278337A
Expired / Lapsed
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Device for converting radiant energy into electrical energy
Assignee: Infineon Technologies Americas Corp
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Filing: 1962-08-24
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Granted: 1966-10-11
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Expires: 1982-08-24
Abstract
No abstract record available.
Inventors
- 👤 John M Gault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:22
CPC Classifications
H; H10; H10F; H10F77/00; H10F77/10; H10F77/14; H10F77/148; Y; Y02; Y02E; Y02E10/00; Y02E10/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A PHOTESENSITIVE DEVICE COMPRISING A WAFER OF SEMICONDUCTOR MATERIAL OF ONE OF THE CONDUCTIVITY TYPES; SAID WAFER HAVING A GROOVED UPPER SURFACE; SAID GROOVED UPPER SURFACE HAVING A CONDUCTIVITY OF THE OTHER OF SAID CONDUCTIVITY TYPES TO DEFINE A P-N JUNCTION FOLLOWING THE CONTOURS OF SAID GROOVED UPPER SURFACE WHEREBY GIVEN POINTS WITHIN SAID WAFER ARE BEOUGHT RELATIVELY CLOSE TO SAID JUNCTION; SAID WAFTER HAVING A BOTTOM SURFACE; SAID BOTTOM SURFACE HAVING A JUNCTION THEREIN OF SAID OTHER OF SAID CONDUCTIVITY TYPPES AND A PLUS REGION OF SAID OTHER OF SAID CONDUCTIVITY TYPES.
Claim 2
Dependent Claim
93 words
A PHOTESENSITIVE DEVICE COMPRISING A WAFER OF SEMICONDUCTOR MATERIAL OF ONE OF THE CONDUCTIVITY TYPES; SAID WAFER HAVING A GROOVED UPPER SURFACE; SAID GROOVED UPPER SURFACE HAVING A CONDUCTIVITY OF THE OTHER OF SAID CONDUCTIVITY TYPES TO DEFINE A P-N JUNCTION FOLLOWING THE CONTOURS OF SAID GROOVED UPPER SURFACE WHEREBY GIVEN POINTS WITHIN SAID WAFER ARE BEOUGHT RELATIVELY CLOSE TO SAID JUNCTION; SAID WAFTER HAVING A BOTTOM SURFACE; SAID BOTTOM SURFACE HAVING A JUNCTION THEREIN OF SAID OTHER OF SAID CONDUCTIVITY TYPPES AND A PLUS REGION OF SAID OTHER OF SAID CONDUCTIVITY TYPES.
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |