FR2279219A1 - Tube electronique a electrodes et notamment a grilles planes - Google Patents

Tube electronique a electrodes et notamment a grilles planes

Info

Publication number
FR2279219A1
FR2279219A1 FR7522361A FR7522361A FR2279219A1 FR 2279219 A1 FR2279219 A1 FR 2279219A1 FR 7522361 A FR7522361 A FR 7522361A FR 7522361 A FR7522361 A FR 7522361A FR 2279219 A1 FR2279219 A1 FR 2279219A1
Authority
FR
France
Prior art keywords
electrodes
electronic tube
particular flat
flat grids
grids
Prior art date
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.)
Withdrawn
Application number
FR7522361A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Varian Medical Systems Inc
Original Assignee
Varian Associates Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Varian Associates Inc filed Critical Varian Associates Inc
Publication of FR2279219A1 publication Critical patent/FR2279219A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/38—Control electrodes, e.g. grid
    • 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
    • H01J2893/0015—Non-sealed electrodes
    • H01J2893/0016—Planar grids
FR7522361A 1974-07-18 1975-07-17 Tube electronique a electrodes et notamment a grilles planes Withdrawn FR2279219A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/489,690 US3934168A (en) 1974-07-18 1974-07-18 Grid support means for a planar tube

Publications (1)

Publication Number Publication Date
FR2279219A1 true FR2279219A1 (fr) 1976-02-13

Family

ID=23944880

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7522361A Withdrawn FR2279219A1 (fr) 1974-07-18 1975-07-17 Tube electronique a electrodes et notamment a grilles planes

Country Status (5)

Country Link
US (1) US3934168A (fr)
JP (1) JPS5136868A (fr)
DE (1) DE2532038A1 (fr)
FR (1) FR2279219A1 (fr)
NL (1) NL7508470A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023061A (en) * 1976-01-19 1977-05-10 Varian Associates Dual mode gridded gun
US4345182A (en) * 1980-06-02 1982-08-17 The Boeing Company Electrode having spiral-shaped electrically conducting regions therein useful as an anode in electron beam discharge devices
US4745324A (en) * 1986-05-12 1988-05-17 Litton Systems, Inc. High power switch tube with Faraday cage cavity anode
DE102008011841B4 (de) * 2008-02-29 2012-10-31 Siemens Aktiengesellschaft Kathode
US20100159578A1 (en) * 2008-12-22 2010-06-24 Alberto Daniel Lacaze Method and system for robotic algae harvest
DE102009042048B4 (de) * 2009-09-17 2016-08-11 Siemens Healthcare Gmbh Kathode
US10491174B1 (en) * 2017-04-25 2019-11-26 Calabazas Creek Research, Inc. Multi-beam power grid tube for high power and high frequency operation
DE102020124271B3 (de) 2020-09-17 2021-11-25 Gottfried Wilhelm Leibniz Universität Hannover, Körperschaft des öffentlichen Rechts Ionenanalyseeinrichtung und Verfahren zur Herstellung einer Gitterelektrode

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2460381A (en) * 1946-02-07 1949-02-01 Rca Corp Multiplier unit and supporting means
US3238410A (en) * 1962-11-21 1966-03-01 Gen Electric Grid for electric discharge device and method of making
US3334263A (en) * 1964-11-12 1967-08-01 Gen Electric High frequency electron discharge device having a grooved cathode and electrodes therefor
US3500107A (en) * 1967-09-28 1970-03-10 Gen Electric Construction and cooling arrangement for grooved cathode and associated electrodes
US3800378A (en) * 1972-06-07 1974-04-02 Rca Corp Method of making a directly-heated cathode

Also Published As

Publication number Publication date
NL7508470A (nl) 1976-01-20
US3934168A (en) 1976-01-20
JPS5136868A (fr) 1976-03-27
DE2532038A1 (de) 1976-01-29

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Legal Events

Date Code Title Description
ST Notification of lapse