US2801347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-electrode semiconductor devices
Assignee: RCA Corp
•
Filing: 1953-03-17
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Granted: 1957-07-30
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Expires: 1973-03-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Stephen Webster Dodge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:44
CPC Classifications
H; H10; H10D; H10D88/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A SEMICONDUCTOR DEVICE COMPRISING A BODY OF SEMICONDUCTOR MATERIAL HAVING A PAIR OF OPPOSED SURFACES, A PLURALITY OF P-N JUNCTION INPUT ELECTRODES IN CONTACT WITH ONE OF SAID SURFACES OF SAID BODY, A P-N JUNCTION OUTPUT ELECTRODE IN CONTACT WITH THE OTHER OF SAID SURFACES, SAID OUTPUT ELECTRODE HAVING A LARGER AREA THAN SAID INPUT ELECTRODES, AND AN OHMIC CONTACT BASE ELECTRODE MOUNTED ON SAID BODY.
Claim 2
Dependent Claim
66 words
A SEMICONDUCTOR DEVICE COMPRISING A BODY OF SEMICONDUCTOR MATERIAL HAVING A PAIR OF OPPOSED SURFACES, A PLURALITY OF P-N JUNCTION INPUT ELECTRODES IN CONTACT WITH ONE OF SAID SURFACES OF SAID BODY, A P-N JUNCTION OUTPUT ELECTRODE IN CONTACT WITH THE OTHER OF SAID SURFACES, SAID OUTPUT ELECTRODE HAVING A LARGER AREA THAN SAID INPUT ELECTRODES, AND AN OHMIC CONTACT BASE ELECTRODE MOUNTED ON SAID BODY.
References Cited (Backward Citations)
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Cited
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Cited
US2644914A
Cited
US2586080A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |