FR1577744A - - Google Patents
Info
- Publication number
- FR1577744A FR1577744A FR1577744DA FR1577744A FR 1577744 A FR1577744 A FR 1577744A FR 1577744D A FR1577744D A FR 1577744DA FR 1577744 A FR1577744 A FR 1577744A
- 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
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/04—Tubes having one or more resonators, without reflection of the electron stream, and in which the modulation produced in the modulator zone is mainly density modulation, e.g. Heaff tube
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/06—Electron or ion guns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/06—Electron or ion guns
- H01J23/065—Electron or ion guns producing a solid cylindrical beam
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/029—Schematic arrangements for beam forming
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0012—Constructional arrangements
- H01J2893/0019—Chemical composition and manufacture
- H01J2893/0022—Manufacture
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66276667A | 1967-08-23 | 1967-08-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1577744A true FR1577744A (fr) | 1969-08-08 |
Family
ID=24659132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1577744D Expired FR1577744A (fr) | 1967-08-23 | 1968-08-23 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3500110A (fr) |
JP (1) | JPS4818024B1 (fr) |
DE (1) | DE1764860B1 (fr) |
FR (1) | FR1577744A (fr) |
GB (1) | GB1220630A (fr) |
NL (1) | NL141700B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2173919A1 (fr) * | 1972-03-02 | 1973-10-12 | Siemens Ag | |
FR2524196A1 (fr) * | 1982-03-29 | 1983-09-30 | Litton Systems Inc | Canon a electrons a deux modes de fonctionnement |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL43254A (en) * | 1972-09-28 | 1976-02-29 | Varian Ass Ciates | Gridded electron gun employing a concave cathode emitter |
US3852633A (en) * | 1972-12-13 | 1974-12-03 | Varian Associates | Gridded electron gun |
US3818260A (en) * | 1973-03-05 | 1974-06-18 | Sperry Rand Corp | Electron gun with masked cathode and non-intercepting control grid |
US3963955A (en) * | 1974-04-15 | 1976-06-15 | Varian Associates | Means and method for suppressing oscillations in electron guns |
DE2449796C3 (de) * | 1974-10-19 | 1980-03-06 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Vorratskathode für eine gittergesteuerte Elektronenröhre und Verfahren zu ihrer Herstellung |
US4583021A (en) * | 1983-04-18 | 1986-04-15 | Litton Systems, Inc. | Electron gun with improved cathode and shadow grid configuration |
JPS6079644A (ja) * | 1983-10-07 | 1985-05-07 | Mitsubishi Electric Corp | 大電力クライストロン用電子銃 |
FR2561039B1 (fr) * | 1984-03-09 | 1987-04-03 | Thomson Csf | Canon a electrons pour tube electronique |
US4947467A (en) * | 1988-03-24 | 1990-08-07 | Manoly Arthur E | Traveling-wave tube slow-wave structure with integral conductively-loaded barrel and method of making same |
US5623183A (en) * | 1995-03-22 | 1997-04-22 | Litton Systems, Inc. | Diverging beam electron gun for a toxic remediation device with a dome-shaped focusing electrode |
US5990622A (en) * | 1998-02-02 | 1999-11-23 | Litton Systems, Inc. | Grid support structure for an electron beam device |
GB9809819D0 (en) * | 1998-05-09 | 1998-07-08 | Eev Ltd | Electron gun assembly |
FR2853450B1 (fr) * | 2003-04-04 | 2006-09-08 | Thales Sa | Grille de commande d'un tube electronique |
CN108666188B (zh) * | 2013-12-30 | 2020-06-12 | Asml荷兰有限公司 | 阴极配置、电子枪以及包括此电子枪的光刻系统 |
JP7533658B1 (ja) * | 2023-03-15 | 2024-08-14 | 株式会社明電舎 | 電子ビーム放出構造及び電界放射装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2811667A (en) * | 1954-12-09 | 1957-10-29 | Hughes Aircraft Co | Electron gun |
US2939993A (en) * | 1957-01-07 | 1960-06-07 | Gen Electric | Traveling-wave tube attenuators |
US3195006A (en) * | 1960-04-08 | 1965-07-13 | Varian Associates | Travelling wave tube output coupling |
US3278779A (en) * | 1962-05-17 | 1966-10-11 | Rauland Corp | Cathode-ray tube having an insulating spacer between the cathode and the control grid |
US3377492A (en) * | 1965-08-03 | 1968-04-09 | Hughes Aircraft Co | Flood gun for storage tubes having a dome-shaped cathode and dome-shaped grid electrodes |
-
1967
- 1967-08-23 US US662766A patent/US3500110A/en not_active Expired - Lifetime
-
1968
- 1968-08-08 GB GB37977/68A patent/GB1220630A/en not_active Expired
- 1968-08-20 DE DE19681764860 patent/DE1764860B1/de not_active Withdrawn
- 1968-08-22 NL NL686811981A patent/NL141700B/xx unknown
- 1968-08-22 JP JP43059599A patent/JPS4818024B1/ja active Pending
- 1968-08-23 FR FR1577744D patent/FR1577744A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2173919A1 (fr) * | 1972-03-02 | 1973-10-12 | Siemens Ag | |
FR2524196A1 (fr) * | 1982-03-29 | 1983-09-30 | Litton Systems Inc | Canon a electrons a deux modes de fonctionnement |
Also Published As
Publication number | Publication date |
---|---|
JPS4818024B1 (fr) | 1973-06-02 |
DE1764860B1 (de) | 1971-07-08 |
GB1220630A (en) | 1971-01-27 |
US3500110A (en) | 1970-03-10 |
NL6811981A (fr) | 1969-02-25 |
NL141700B (nl) | 1974-03-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |