IT1171837B - Assieme di catodo e griglia per canoni elettronici e metodo per la sua applicazione - Google Patents
Assieme di catodo e griglia per canoni elettronici e metodo per la sua applicazioneInfo
- Publication number
- IT1171837B IT1171837B IT48478/83A IT4847883A IT1171837B IT 1171837 B IT1171837 B IT 1171837B IT 48478/83 A IT48478/83 A IT 48478/83A IT 4847883 A IT4847883 A IT 4847883A IT 1171837 B IT1171837 B IT 1171837B
- Authority
- IT
- Italy
- Prior art keywords
- fees
- cathode
- electronic
- application
- grid assembly
- Prior art date
Links
Classifications
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/388,289 US4471267A (en) | 1982-06-14 | 1982-06-14 | Grid structure for certain plural mode electron guns |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8348478A0 IT8348478A0 (it) | 1983-06-10 |
IT1171837B true IT1171837B (it) | 1987-06-10 |
Family
ID=23533497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48478/83A IT1171837B (it) | 1982-06-14 | 1983-06-10 | Assieme di catodo e griglia per canoni elettronici e metodo per la sua applicazione |
Country Status (2)
Country | Link |
---|---|
US (1) | US4471267A (it) |
IT (1) | IT1171837B (it) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4593230A (en) * | 1982-03-29 | 1986-06-03 | Litton Systems, Inc. | Dual-mode electron gun |
US4553064A (en) * | 1983-08-30 | 1985-11-12 | Hughes Aircraft Company | Dual-mode electron gun with improved shadow grid arrangement |
GB2147732B (en) * | 1983-10-07 | 1987-11-04 | English Electric Valve Co Ltd | Improvements in or relating to travelling wave tubes |
US4748369A (en) * | 1986-04-10 | 1988-05-31 | Star Microwave | Electron gun assembly useful with traveling wave tubes |
US5317233A (en) * | 1990-04-13 | 1994-05-31 | Varian Associates, Inc. | Vacuum tube including grid-cathode assembly with resonant slow-wave structure |
US20110294071A1 (en) * | 2010-05-28 | 2011-12-01 | Canon Kabushiki Kaisha | Electron gun, lithography apparatus, method of manufacturing article, and electron beam apparatus |
US10424455B2 (en) | 2017-07-22 | 2019-09-24 | Modern Electron, LLC | Suspended grid structures for electrodes in vacuum electronics |
US10811212B2 (en) | 2017-07-22 | 2020-10-20 | Modern Electron, LLC | Suspended grid structures for electrodes in vacuum electronics |
US10658144B2 (en) | 2017-07-22 | 2020-05-19 | Modern Electron, LLC | Shadowed grid structures for electrodes in vacuum electronics |
CN113921356B (zh) * | 2021-10-09 | 2023-09-05 | 中国科学院空天信息创新研究院 | 电子枪的装配方法及电子枪 |
CN114944313B (zh) * | 2022-06-30 | 2023-09-12 | 电子科技大学 | 一种回旋行波管多注电子枪 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2943234A (en) * | 1956-02-24 | 1960-06-28 | Varian Associates | Charged particle flow control apparatus |
US2975317A (en) * | 1959-04-07 | 1961-03-14 | Univ California | Beam control device |
US3160782A (en) * | 1962-08-20 | 1964-12-08 | Sperry Rand Corp | High-mu negative control grid velocity modulation tube |
FR2030750A6 (it) * | 1967-07-03 | 1970-11-13 | Varian Associates | |
US3843902A (en) * | 1972-08-24 | 1974-10-22 | Varian Associates | Gridded convergent flow electron gun |
US3812395A (en) * | 1973-02-20 | 1974-05-21 | Varian Associates | Dual mode twt for low power cw and high power pulsed operation |
US3818260A (en) * | 1973-03-05 | 1974-06-18 | Sperry Rand Corp | Electron gun with masked cathode and non-intercepting control grid |
US4023061A (en) * | 1976-01-19 | 1977-05-10 | Varian Associates | Dual mode gridded gun |
US4321505A (en) * | 1978-07-24 | 1982-03-23 | Varian Associates, Inc. | Zero-bias gridded gun |
-
1982
- 1982-06-14 US US06/388,289 patent/US4471267A/en not_active Expired - Lifetime
-
1983
- 1983-06-10 IT IT48478/83A patent/IT1171837B/it active
Also Published As
Publication number | Publication date |
---|---|
US4471267A (en) | 1984-09-11 |
IT8348478A0 (it) | 1983-06-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1140242B (it) | Oggetto composto e metodo per fare il medesimo | |
IT8268174A0 (it) | Apparecchiatura e metodo di elettro placcatura | |
IT8420158A0 (it) | Apparecchiatura e metodo per polverizzazione catodica a magnetron. | |
ES543011A0 (es) | Un colector de ordeno | |
KR870700614A (ko) | -1-아릴-2-아실아미도-3-플루오로-1-프로판올의 제조방법 | |
IT8249662A0 (it) | Trasformatore elettrico e procedimento per la sua fabbricazione | |
IT8348613A0 (it) | Apparecchio e metodo per assemblare componenti di batterie | |
IT1161901B (it) | Guarnizione metallica | |
IT1171837B (it) | Assieme di catodo e griglia per canoni elettronici e metodo per la sua applicazione | |
DE3268937D1 (en) | Method for passivating aluminum-based metallizations | |
IT8547611A0 (it) | Metodo per la produzione di un elettrodo | |
IT1149778B (it) | Condensatore e metodo ed apparecchiatura per fabbricarlo | |
IT1193783B (it) | Retino per rotocalcografia e metodo per fabbricarlo | |
DE3266604D1 (en) | Method for predicting earthquakes | |
GB8415920D0 (en) | Electronic focusing method | |
IT1180221B (it) | Carbocisteinato di zinco e procedimento per la sua preparazione | |
IT1163919B (it) | Composizione a base di anidridi alchenil-succiniche e metodo per la sua preparazione | |
IT8309327A0 (it) | Procedimento di estrazione e dispositivo per la sua esecuzione | |
IT1185443B (it) | Apparecchio di collegamento | |
DK256883D0 (da) | Forbedret forgaeringsmetode | |
GB8719664D0 (en) | Exposure method | |
IT8324063A0 (it) | Superconduttore elettrico e procedimento per la sua fabbricazione. | |
FI823699A0 (fi) | Elektronisk maetanordning | |
IT1150711B (it) | Metodo di rivettatura | |
IT8203382A0 (it) | Struttura metallica per capannoni |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19940531 |