US3108210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-electrode semiconductor devices
Assignee: RCA Corp
•
Filing: 1959-01-16
•
Granted: 1963-10-22
•
Expires: 1979-01-16
Abstract
No abstract record available.
Inventors
- 👤 Jacques I Pankove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:29
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/10; H10D10/00; H10D84/00; H10D84/60; H10D84/645; H10D99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A SEMICONDUCTOR DEVICE COMPRISING A BODY OF SEMICONDUCTOR MATERIAL HAVING TWO OPPOSED SURFACES, A DEPRESSED AREA OF ANNULAR CONFIGURATION IN ONE OF SAID SURFACES, A RECTIFYING BARRIER ELECTRODE IN SAID AREA, AN OHMIC ELECTRODE MAKING CONTACT WITH SAID BODY IN THE SURFACE AREA ENCLOSED BY SAID ANNULAR DEPRESSED AREA, AND AN OTHER OHMIC ELECTRODE BONDED IN ANNULAR CONFIGURATION TO SAID BODY OUTSIDE SAID ANNULAR DEPRESSED AREA.
Claim 2
Dependent Claim
66 words
A SEMICONDUCTOR DEVICE COMPRISING A BODY OF SEMICONDUCTOR MATERIAL HAVING TWO OPPOSED SURFACES, A DEPRESSED AREA OF ANNULAR CONFIGURATION IN ONE OF SAID SURFACES, A RECTIFYING BARRIER ELECTRODE IN SAID AREA, AN OHMIC ELECTRODE MAKING CONTACT WITH SAID BODY IN THE SURFACE AREA ENCLOSED BY SAID ANNULAR DEPRESSED AREA, AND AN OTHER OHMIC ELECTRODE BONDED IN ANNULAR CONFIGURATION TO SAID BODY OUTSIDE SAID ANNULAR DEPRESSED AREA.
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |