US3221277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tunnel diode device
Assignee: Verizon Laboratories Inc
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Filing: 1961-08-17
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Granted: 1965-11-30
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Expires: 1981-08-17
Abstract
No abstract record available.
Inventors
- 👤 Walter B Hauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:21
CPC Classifications
H; H10; H10D; H10D99/00; H03; H03B; H03B7/00; H03B7/02; H03B7/06; H03B7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A TUNNEL DIODE DEVICE COMPRISING A HOLLOW RESONATOR HAVING METALLIC WALLS, SAID RESONATOR BEING TUNED TO A SIGNAL HAVING A SELECTED WAVELENGTH; AND A HOLLOW DIODE PACKAGE DISPOSED WITHIN SAID RESONATOR, SAID PACKAGE INCLUDING A TUNNEL DIODE PACKAGE COMPRISING A HOLLOW ELECTRICALLY NON-CONDUCTIVE CYLINDER OPEN AT BOTH ENDS; FIRST AND SECOND ELECTRODES SECURED TO AND SEALING OFF OPPOSITE ENDS OF SAID CYLINDER, SAID FIRST AND SECOND ELECTRODES BEING ELECTRICALLY CONNECTED TO OPPOSITE WALLS RESPECTIVELY OF SAOD RESONATOR; A NARROW, HIGHLY DOPED P-N JUNCTION FORMED BY A SEMICONDUCTOR WAFER HAVING A METALLIC DOT ALLOYED THERETO POSITIONED WITHIN SAID CYLINDER, SAID SEMICONDUCTOR WAFER BEING ELECTRICALLY CONNECTED TO SAID FIRST ELECTRODE, AND SAID METALLIC DOT BEING ELECTRICALLY CONNECTED TO SAID SECOND ELECTRODE; AND A DAMPING RESISTOR SUPPORTED BY SAID CYLINDER AND ELECTRICALLY CONNECTED BETWEEN SAID FIRST AND SECOND ELECTRODES, THE DISTANCE BETWEEN SAID DAMPING RESISTOR AND THE METALLIC WALLS OF SAID RESONATOR BEING APPROXIMATELY EQUAL TO ONE-HALF WAVELENGTH.
Claim 2
Dependent Claim
155 words
A TUNNEL DIODE DEVICE COMPRISING A HOLLOW RESONATOR HAVING METALLIC WALLS, SAID RESONATOR BEING TUNED TO A SIGNAL HAVING A SELECTED WAVELENGTH; AND A HOLLOW DIODE PACKAGE DISPOSED WITHIN SAID RESONATOR, SAID PACKAGE INCLUDING A TUNNEL DIODE PACKAGE COMPRISING A HOLLOW ELECTRICALLY NON-CONDUCTIVE CYLINDER OPEN AT BOTH ENDS; FIRST AND SECOND ELECTRODES SECURED TO AND SEALING OFF OPPOSITE ENDS OF SAID CYLINDER, SAID FIRST AND SECOND ELECTRODES BEING ELECTRICALLY CONNECTED TO OPPOSITE WALLS RESPECTIVELY OF SAOD RESONATOR; A NARROW, HIGHLY DOPED P-N JUNCTION FORMED BY A SEMICONDUCTOR WAFER HAVING A METALLIC DOT ALLOYED THERETO POSITIONED WITHIN SAID CYLINDER, SAID SEMICONDUCTOR WAFER BEING ELECTRICALLY CONNECTED TO SAID FIRST ELECTRODE, AND SAID METALLIC DOT BEING ELECTRICALLY CONNECTED TO SAID SECOND ELECTRODE; AND A DAMPING RESISTOR SUPPORTED BY SAID CYLINDER AND ELECTRICALLY CONNECTED BETWEEN SAID FIRST AND SECOND ELECTRODES, THE DISTANCE BETWEEN SAID DAMPING RESISTOR AND THE METALLIC WALLS OF SAID RESONATOR BEING APPROXIMATELY EQUAL TO ONE-HALF WAVELENGTH.
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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |