Patent US2817613A successfully refreshed from Google Patents.
US2817613A
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Semi-conductor devices with alloyed conductivity-type determining substance
Assignee: RCA Corp
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Filing: 1953-01-16
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Granted: 1957-12-24
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Expires: 1973-01-16
Abstract
No abstract record available.
Inventors
- 👤 Charles W Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:40
CPC Classifications
H; H10; H10P; H10P95/00; C; C30; C30B; C30B31/00; C30B31/20; C30B31/22; H10P34/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A SEMICONDUCTOR DEVICE COMPRISING A BODY OF A GIVEN CONDUCTIVITY TYPE MATERIAL SELECTED FROM THE GROUP CONSISTING OF GERMANIUM AND SILICON; PORTIONS OF A CONDUCTIVITY TYPE-DETERMINING SUBSTANCE ALLOYED TO OPPOSITE SURFACES OF SAID BODY, SAID TYPE-DETERMINING SUBSTANCE INDUCING IN SAID BODY CONDUCTIVITY OF THE TYPE OPPOSITE SAID GIVEN TYPE; A P-N JUNCTION AROUND THE PERIPHERY OF EACH SAID ALLOYED SUBSTANCE, EACH JUNCTION BEING DISPOSED BETWEEN SAID ALLOYED SUBSTANCE AND SAID BODY; THE CONDUCTIVITY OF SAID BODY BETWEEN SAID JUNCTIONS BEING GREATER ADJACENT TO ONE OF SAID JUNCTIONS THAN ADJACENT TO THE OTHER OF SAID JUNCTIONS.
Claim 2
Dependent Claim
95 words
A SEMICONDUCTOR DEVICE COMPRISING A BODY OF A GIVEN CONDUCTIVITY TYPE MATERIAL SELECTED FROM THE GROUP CONSISTING OF GERMANIUM AND SILICON; PORTIONS OF A CONDUCTIVITY TYPE-DETERMINING SUBSTANCE ALLOYED TO OPPOSITE SURFACES OF SAID BODY, SAID TYPE-DETERMINING SUBSTANCE INDUCING IN SAID BODY CONDUCTIVITY OF THE TYPE OPPOSITE SAID GIVEN TYPE; A P-N JUNCTION AROUND THE PERIPHERY OF EACH SAID ALLOYED SUBSTANCE, EACH JUNCTION BEING DISPOSED BETWEEN SAID ALLOYED SUBSTANCE AND SAID BODY; THE CONDUCTIVITY OF SAID BODY BETWEEN SAID JUNCTIONS BEING GREATER ADJACENT TO ONE OF SAID JUNCTIONS THAN ADJACENT TO THE OTHER OF SAID JUNCTIONS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |