IL42916A - An electron gun - Google Patents
An electron gunInfo
- Publication number
- IL42916A IL42916A IL42916A IL4291673A IL42916A IL 42916 A IL42916 A IL 42916A IL 42916 A IL42916 A IL 42916A IL 4291673 A IL4291673 A IL 4291673A IL 42916 A IL42916 A IL 42916A
- Authority
- IL
- Israel
- Prior art keywords
- cathode emitter
- concave
- grid
- shadow
- cathode
- Prior art date
Links
Classifications
-
- 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
- H01J3/026—Eliminating deleterious effects due to thermal effects, electric or magnetic field
-
- 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
Landscapes
- Microwave Tubes (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28343272A | 1972-08-24 | 1972-08-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
IL42916A0 IL42916A0 (en) | 1973-11-28 |
IL42916A true IL42916A (en) | 1976-02-29 |
Family
ID=23086036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL42916A IL42916A (en) | 1972-08-24 | 1973-08-06 | An electron gun |
Country Status (5)
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3967150A (en) * | 1975-01-31 | 1976-06-29 | Varian Associates | Grid controlled electron source and method of making same |
-
1973
- 1973-08-06 IL IL42916A patent/IL42916A/en unknown
- 1973-08-17 GB GB3903873A patent/GB1422311A/en not_active Expired
- 1973-08-17 JP JP48092358A patent/JPS49134263A/ja active Pending
- 1973-08-23 CA CA179,521A patent/CA975474A/en not_active Expired
- 1973-08-24 FR FR7330673A patent/FR2197226B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2197226A1 (US20010021848A1-20010913-M00008.png) | 1974-03-22 |
CA975474A (en) | 1975-09-30 |
FR2197226B1 (US20010021848A1-20010913-M00008.png) | 1976-11-19 |
GB1422311A (en) | 1976-01-28 |
JPS49134263A (US20010021848A1-20010913-M00008.png) | 1974-12-24 |
IL42916A0 (en) | 1973-11-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4684848A (en) | Broad-beam electron source | |
US2663821A (en) | Masked target kinescope | |
US3843902A (en) | Gridded convergent flow electron gun | |
GB1490463A (en) | Thermionic cathode and method of making same | |
GB1286193A (en) | Linear beam tube with plural cathode beamlets providing a convergent electron stream | |
US3852633A (en) | Gridded electron gun | |
CA1201471A (en) | Electron gun with improved cathode and shadow grid configuration | |
US4499405A (en) | Hot cathode for broad beam electron gun | |
EP0389270A3 (en) | Electron gun with integral shadow grid | |
GB1234517A (US20010021848A1-20010913-M00008.png) | ||
US4194123A (en) | Lithographic apparatus | |
IL42916A (en) | An electron gun | |
GB1264765A (US20010021848A1-20010913-M00008.png) | ||
CA1063728A (en) | Dual mode gridded gun | |
US4028579A (en) | High current density ion source | |
JPH0335775B2 (US20010021848A1-20010913-M00008.png) | ||
GB721571A (en) | Cathode ray tube utilizing a plurality of electron beams | |
US3240972A (en) | Cathode ray tube having improved deflection field forming means | |
US2753484A (en) | Signal indicating device | |
US2850658A (en) | Non-symmetrical cathodes in cathode ray tubes | |
IL43254A (en) | Gridded electron gun employing a concave cathode emitter | |
US3651361A (en) | Cathode ray tube character mask with plurality of perforations for each character | |
US2321149A (en) | Coating of thermionic cathodes | |
GB1507544A (en) | Linear beam tubes | |
JPS56147346A (en) | Electron source |