FR2472264B1 - - Google Patents
Info
- Publication number
- FR2472264B1 FR2472264B1 FR8026934A FR8026934A FR2472264B1 FR 2472264 B1 FR2472264 B1 FR 2472264B1 FR 8026934 A FR8026934 A FR 8026934A FR 8026934 A FR8026934 A FR 8026934A FR 2472264 B1 FR2472264 B1 FR 2472264B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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 or 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)
- Solid Thermionic Cathode (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Electron Sources, Ion Sources (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 |
|---|---|
| FR2472264A1 FR2472264A1 (fr) | 1981-06-26 |
| FR2472264B1 true FR2472264B1 (enrdf_load_html_response) | 1984-11-09 |
Family
ID=6088815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8026934A Granted FR2472264A1 (fr) | 1979-12-18 | 1980-12-18 | Dispositif pour produire des faisceaux d'electrons destines a durcir une couche de matiere |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE2950897C2 (enrdf_load_html_response) |
| FR (1) | FR2472264A1 (enrdf_load_html_response) |
| GB (1) | GB2067007B (enrdf_load_html_response) |
| IT (1) | IT1134691B (enrdf_load_html_response) |
| SE (1) | SE8008545L (enrdf_load_html_response) |
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 |
| DE2950897C2 (de) | 1985-05-09 |
| GB2067007B (en) | 1984-07-04 |
| IT1134691B (it) | 1986-08-13 |
| DE2950897A1 (de) | 1981-06-25 |
| SE8008545L (sv) | 1981-06-19 |
| GB2067007A (en) | 1981-07-15 |
| FR2472264A1 (fr) | 1981-06-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |