IT1134691B - Dispositivo per generare raggi elettronici - Google Patents
Dispositivo per generare raggi elettroniciInfo
- Publication number
- IT1134691B IT1134691B IT26591/80A IT2659180A IT1134691B IT 1134691 B IT1134691 B IT 1134691B IT 26591/80 A IT26591/80 A IT 26591/80A IT 2659180 A IT2659180 A IT 2659180A IT 1134691 B IT1134691 B IT 1134691B
- Authority
- IT
- Italy
- Prior art keywords
- generating electronic
- electronic rays
- rays
- generating
- electronic
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J33/00—Discharge tubes with provision for emergence of electrons or ions from the vessel; Lenard tubes
- H01J33/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/02—Details
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
- H01J37/06—Electron sources; Electron guns
- H01J37/073—Electron guns using field emission, photo emission, or secondary emission electron sources
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Cold Cathode And The Manufacture (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Electron Sources, Ion Sources (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2950897A DE2950897C2 (de) | 1979-12-18 | 1979-12-18 | Einrichtung zur Erzeugung von Elektronenstrahlen |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8026591A0 IT8026591A0 (it) | 1980-12-12 |
IT1134691B true IT1134691B (it) | 1986-08-13 |
Family
ID=6088815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26591/80A IT1134691B (it) | 1979-12-18 | 1980-12-12 | Dispositivo per generare raggi elettronici |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2950897C2 (it) |
FR (1) | FR2472264A1 (it) |
GB (1) | GB2067007B (it) |
IT (1) | IT1134691B (it) |
SE (1) | SE8008545L (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8720792D0 (en) * | 1987-09-04 | 1987-10-14 | Gen Electric Co Plc | Vacuum devices |
EP0312653A1 (en) * | 1987-10-22 | 1989-04-26 | Koninklijke Philips Electronics N.V. | Electron image projector |
FR2644627B1 (fr) * | 1989-03-17 | 1996-01-05 | Videocolor | Canon de tube cathodique a source d'electrons a effet de champ |
US5103145A (en) * | 1990-09-05 | 1992-04-07 | Raytheon Company | Luminance control for cathode-ray tube having field emission cathode |
US5583393A (en) * | 1994-03-24 | 1996-12-10 | Fed Corporation | Selectively shaped field emission electron beam source, and phosphor array for use therewith |
FR2777113B1 (fr) * | 1998-04-03 | 2000-05-05 | Commissariat Energie Atomique | Canon a electrons de type "torche a electrons" |
-
1979
- 1979-12-18 DE DE2950897A patent/DE2950897C2/de not_active Expired
-
1980
- 1980-12-05 SE SE8008545A patent/SE8008545L/ unknown
- 1980-12-12 IT IT26591/80A patent/IT1134691B/it active
- 1980-12-17 GB GB8040451A patent/GB2067007B/en not_active Expired
- 1980-12-18 FR FR8026934A patent/FR2472264A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
IT8026591A0 (it) | 1980-12-12 |
FR2472264A1 (fr) | 1981-06-26 |
DE2950897C2 (de) | 1985-05-09 |
SE8008545L (sv) | 1981-06-19 |
GB2067007B (en) | 1984-07-04 |
GB2067007A (en) | 1981-07-15 |
DE2950897A1 (de) | 1981-06-25 |
FR2472264B1 (it) | 1984-11-09 |
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