US2796562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductive device and method of fabricating same
Assignee: RCA Corp
•
Filing: 1952-06-02
•
Granted: 1957-06-18
•
Expires: 1972-06-02
Abstract
No abstract record available.
Inventors
- 👤 Sidney G Ellis
- 👤 Pankove Jacques Isaac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:56
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/40; H10P; H10P95/00; H10W72/00; H10W74/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A CIRCUIT ELEMENT COMPRISING A SOLID SEMICONDUCTOR, AN ELECTRODE DIFFUSED INTO A PORTION OF ONE SURFACE OF SAID SEMICONDUCTOR, A RECTIFYING JUNCTION ASSOCIATED WITH SAID ELECTRODE AHD HAVING PERIPHERAL PORTIONS DISPOSED UPON THE SURFACE OF SAID SEMICONDUCTOR, AND A HIGH RESISTIVITY ADHERENT AND COHERENT FILM HAVING A RELATIVELY HIGH MELTING POINT DISPOSED OVER THE PORTIONS OF SAID SURFACE ADJACENT SAID ELECTRODE FOR PROTECTING CRITICAL PORTIONS OF SAID SURFACE, SAID FILM ENTENDING OVER AND COVERING SAID PERIPHERAL PORTIONS OF SAZID JUNCTION.
Claim 2
Dependent Claim
80 words
A CIRCUIT ELEMENT COMPRISING A SOLID SEMICONDUCTOR, AN ELECTRODE DIFFUSED INTO A PORTION OF ONE SURFACE OF SAID SEMICONDUCTOR, A RECTIFYING JUNCTION ASSOCIATED WITH SAID ELECTRODE AHD HAVING PERIPHERAL PORTIONS DISPOSED UPON THE SURFACE OF SAID SEMICONDUCTOR, AND A HIGH RESISTIVITY ADHERENT AND COHERENT FILM HAVING A RELATIVELY HIGH MELTING POINT DISPOSED OVER THE PORTIONS OF SAID SURFACE ADJACENT SAID ELECTRODE FOR PROTECTING CRITICAL PORTIONS OF SAID SURFACE, SAID FILM ENTENDING OVER AND COVERING SAID PERIPHERAL PORTIONS OF SAZID JUNCTION.
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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) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |