US2748325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-conductor devices and methods for treating same
Assignee: RCA Corp
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Filing: 1953-04-16
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Granted: 1956-05-29
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Expires: 1973-04-16
Abstract
No abstract record available.
Inventors
- 👤 Dietrich A Jenny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:50
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/40; H10P; H10P95/00; H10W74/10; H10W74/131
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
55 words
A SEMI-CONDUCTOR DEVICE COMPRISING A BODY OF SEMI-CONDUCTIVE MATERIAL HAVING FUSED TO A SURFACE THEREOF A BODY OF IMPURITY-YIELDING MATERIAL, A P-N RECTIFYING JUNCTION DISPOSED WITHIN SAID SEMI-CONDUCTIVE BODY ADJACENT TO SAID IMPURITY-YIELDING BODY AND A FILM OF AN INERT INSULATING MATERIAL UPON THE SURFACE OF SAID DEVICE, SAID FILM COMPRISING COMPOUNDS OF SAID SEMI-
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) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |