US3204115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Four-terminal solid state superconductive device with control current flowing transverse to controlled output current
Assignee: RCA Corp
•
Filing: 1961-07-31
•
Granted: 1965-08-31
•
Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 Robert H Parmenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:50
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/38; G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; H01; H01B; H01B1/00; H03F; H03F19/00; H10; H10D; H10D99/00; H10N; H10N60/00; H10N60/10; H10N60/12; H10N60/128; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857; Y10S505/86; Y10S505/861
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
AN ELECTRONICV DEVICE COMPRISING A BASE OF A SUPERCONDUCTOR, AN EMITTER SELECTED FROM THE GROUP CONSISTING OF NORMAL MATERIALS AND SUPERCONDUCTORS HAVING AN ENERGY GAP SMALLER THAN THE ENERGY BAND GAP OF SAID BASE AND SPACED FROM SAID BASE BY A FIRST THIN ELECTRICALLYINSULATING LAYER HAVING A THICKNESS IN THE RANGE OF BETWEEN 6 AN 100 ANGSTROM UNITS, A COLLECTOR SELECTED FROM THE GROUP CONSISTING OF NORMAL MATERIALS AND SUPERCONDUCTORS HAVING AN ENERGY BAND GAP SMALLER THAN THE ENERGY BAND GAP OF SAID BASE AND SPACED FROM SAID BASE BY A SECOND THIN ELECTRICALLY-INSULATING LAYER HAVING A THICKNESS IN THE RANGE BETWEEN L AND 100 ANGSTROM UNITS, SAID EMITTER AND COLLECTOR DEFINING THE ENDS OF A CURRENT PATH OF NORMAL CHARGE CARRIERS THROUGH SAID BASE AND SAID LAYERS, THE THICKNESS OF SAID BASE BETWEEN SAID LAYERS BEING IN THE RANGE BETWEEN 50 AND 200 ANGSTROM
Claim 2
Dependent Claim
145 words
AN ELECTRONICV DEVICE COMPRISING A BASE OF A SUPERCONDUCTOR, AN EMITTER SELECTED FROM THE GROUP CONSISTING OF NORMAL MATERIALS AND SUPERCONDUCTORS HAVING AN ENERGY GAP SMALLER THAN THE ENERGY BAND GAP OF SAID BASE AND SPACED FROM SAID BASE BY A FIRST THIN ELECTRICALLYINSULATING LAYER HAVING A THICKNESS IN THE RANGE OF BETWEEN 6 AN 100 ANGSTROM UNITS, A COLLECTOR SELECTED FROM THE GROUP CONSISTING OF NORMAL MATERIALS AND SUPERCONDUCTORS HAVING AN ENERGY BAND GAP SMALLER THAN THE ENERGY BAND GAP OF SAID BASE AND SPACED FROM SAID BASE BY A SECOND THIN ELECTRICALLY-INSULATING LAYER HAVING A THICKNESS IN THE RANGE BETWEEN L AND 100 ANGSTROM UNITS, SAID EMITTER AND COLLECTOR DEFINING THE ENDS OF A CURRENT PATH OF NORMAL CHARGE CARRIERS THROUGH SAID BASE AND SAID LAYERS, THE THICKNESS OF SAID BASE BETWEEN SAID LAYERS BEING IN THE RANGE BETWEEN 50 AND 200 ANGSTROM
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |