US3242389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonlinear tunnel resistor and method of manufacture
Assignee: RCA Corp
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Filing: 1962-06-01
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Granted: 1966-03-22
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Expires: 1982-06-01
Abstract
No abstract record available.
Inventors
- 👤 John T Wallmark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:20
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/10; H10; H10D; H10D99/00; H10P; H10P14/00; H10P14/40; H10P14/46; H10P14/47; H10P95/00; H10W; H10W72/00; H10W72/20; H10W99/00; Y; Y10; Y10S; Y10S438/00; Y10S438/979
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
A UNITARY ELEMENT COMPRISING A TUNNEL DIODE INCLUDING A PAIR OF SEMICONDUCTOR REGIONS AND A TUNNEL JUNCTION THEREBETWEEN, AND A METAL LAYER DEPOSITED ON THE SURFACE OF SAID DIODE SO AS TO PROVIDE A RESISTIVE LEAKAGE PATH BETWEEN SAID REGIONS, SAID LAYER HAVING AN EQUIVALENT THICKNESS OF BETWEEN ABOUT 10-5 AND 10 ANGSTROM UNITS.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |