US3225272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor triode
Assignee: Bendix Corp
•
Filing: 1961-01-23
•
Granted: 1965-12-21
•
Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Donald C Cronemeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:24
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/30; H10D48/32; H10D10/00; H10D99/00; H10P; H10P95/00; H10P95/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A SEMICONDUCTOR TRIODE COMPRISING AN EMITTER SECTION, BASE SECTION, AND COLLECTOR SECTION, AT LEAST A PORTION OF SAID BASE SECTION BEING BETWEEN SAID EMITTER SECTION AND COLLECTOR SECTION, THE WIDTH OF BASE SECTION MATERIAL BETWEEN SAID EMITTER SECTION AND COLLECTOR SECTION BEING LESS 300 ANGSTROM UNITS, SAID BASE SECTION BEING OF A MATERIAL HAVING ONE OF AN N AND P DOPING AND SAID EMITER SECTION AND COLLECTOR SECTION BEING OF MATERIALS HAVING THE OTHER OF THE N AND P DOPING, THE DOPING OF ALL THE MATERIALS BEING SUFFICIENTLYHIGH TO PROVIDE FOR MOVEMENT OF THE CARRIERS FROM ONE MATERIAL TO AN ADJACENT MATERIAL THROUGH THE POTENTIAL BARRIER BETWEEN THE SECTIONS, BETWEEN A VALENCE BAND IN ONE MATERIAL AND A CONDUCTION BAND IN THE OTHER MATERIAL.
Claim 2
Dependent Claim
124 words
A SEMICONDUCTOR TRIODE COMPRISING AN EMITTER SECTION, BASE SECTION, AND COLLECTOR SECTION, AT LEAST A PORTION OF SAID BASE SECTION BEING BETWEEN SAID EMITTER SECTION AND COLLECTOR SECTION, THE WIDTH OF BASE SECTION MATERIAL BETWEEN SAID EMITTER SECTION AND COLLECTOR SECTION BEING LESS 300 ANGSTROM UNITS, SAID BASE SECTION BEING OF A MATERIAL HAVING ONE OF AN N AND P DOPING AND SAID EMITER SECTION AND COLLECTOR SECTION BEING OF MATERIALS HAVING THE OTHER OF THE N AND P DOPING, THE DOPING OF ALL THE MATERIALS BEING SUFFICIENTLYHIGH TO PROVIDE FOR MOVEMENT OF THE CARRIERS FROM ONE MATERIAL TO AN ADJACENT MATERIAL THROUGH THE POTENTIAL BARRIER BETWEEN THE SECTIONS, BETWEEN A VALENCE BAND IN ONE MATERIAL AND A CONDUCTION BAND IN THE OTHER MATERIAL.
References Cited (Backward Citations)
US2697269A
Cited
US2792538A
Cited
US2757323A
Cited
US2695852A
Cited
US2795743A
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US2871377A
Cited
US3039028A
Cited
US2870052A
Cited
FR1165491A
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US3079512A
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US3027501A
Cited
US3053998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |