GB1238451A - - Google Patents

Info

Publication number
GB1238451A
GB1238451A GB3305367A GB1238451DA GB1238451A GB 1238451 A GB1238451 A GB 1238451A GB 3305367 A GB3305367 A GB 3305367A GB 1238451D A GB1238451D A GB 1238451DA GB 1238451 A GB1238451 A GB 1238451A
Authority
GB
United Kingdom
Prior art keywords
cathode
stainless steel
refractory metal
cylinder
mesh
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.)
Expired
Application number
GB3305367A
Other languages
English (en)
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
Priority claimed from GB02766/66A external-priority patent/GB1154379A/en
Application filed filed Critical
Publication of GB1238451A publication Critical patent/GB1238451A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/025—Electron guns using a discharge in a gas or a vapour as electron source
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
    • H01J17/066—Cold cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
    • H01J2893/0065—Electrode systems
    • H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups

Landscapes

  • Electron Sources, Ion Sources (AREA)
  • Discharge Lamp (AREA)
GB3305367A 1965-12-30 1967-07-18 Expired GB1238451A (https=)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB5520665 1965-12-30
GB02766/66A GB1154379A (en) 1965-12-30 1965-12-30 Improvements in or relating to Cold-Cathode Discharge Devices
GB3305367 1967-07-18

Publications (1)

Publication Number Publication Date
GB1238451A true GB1238451A (https=) 1971-07-07

Family

ID=10347901

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3305367A Expired GB1238451A (https=) 1965-12-30 1967-07-18

Country Status (4)

Country Link
US (1) US3566184A (https=)
DE (1) DE1764684A1 (https=)
FR (1) FR95369E (https=)
GB (1) GB1238451A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4391006C2 (de) * 1992-03-11 2002-10-17 Charles W Hanks Elektronenstrahlkanone

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3903891A (en) * 1968-01-12 1975-09-09 Hogle Kearns Int Method and apparatus for generating plasma
US3638061A (en) * 1970-07-15 1972-01-25 Hughes Aircraft Co Magnetically controlled crossed-field interrupter and switch tube with pressure control for long duration pules
US4163889A (en) * 1974-05-27 1979-08-07 U.S. Philips Corporation Device for the simultaneous operation of a number of gas discharge electron guns
US4647818A (en) * 1984-04-16 1987-03-03 Sfe Technologies Nonthermionic hollow anode gas discharge electron beam source
US5465030A (en) * 1995-01-20 1995-11-07 The United States Of America As Represented By The Secretary Of The Army Trigger apparatus for spark gap dischargers
US8729470B2 (en) * 2009-06-14 2014-05-20 DLA Instruments Electron microscope with an emitter operating in medium vacuum
US9840765B2 (en) 2013-10-16 2017-12-12 General Electric Company Systems and method of coating an interior surface of an object

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4391006C2 (de) * 1992-03-11 2002-10-17 Charles W Hanks Elektronenstrahlkanone

Also Published As

Publication number Publication date
US3566184A (en) 1971-02-23
DE1764684A1 (de) 1971-09-30
FR95369E (fr) 1970-09-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees