FR2011138A1 - - Google Patents

Info

Publication number
FR2011138A1
FR2011138A1 FR6919975A FR6919975A FR2011138A1 FR 2011138 A1 FR2011138 A1 FR 2011138A1 FR 6919975 A FR6919975 A FR 6919975A FR 6919975 A FR6919975 A FR 6919975A FR 2011138 A1 FR2011138 A1 FR 2011138A1
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.)
Withdrawn
Application number
FR6919975A
Other languages
French (fr)
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.)
English Electric Co Ltd
Original Assignee
English Electric Co Ltd
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 English Electric Co Ltd filed Critical English Electric Co Ltd
Publication of FR2011138A1 publication Critical patent/FR2011138A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/34—Photo-emissive cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/36—Photoelectric screens; Charge-storage screens
    • H01J29/38—Photoelectric screens; Charge-storage screens not using charge storage, e.g. photo-emissive screen, extended cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/34—Photoemissive electrodes
    • H01J2201/342—Cathodes
    • H01J2201/3421—Composition of the emitting surface
    • H01J2201/3425—Metals, metal alloys
FR6919975A 1968-06-18 1969-06-16 Withdrawn FR2011138A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2887468 1968-06-18

Publications (1)

Publication Number Publication Date
FR2011138A1 true FR2011138A1 (enrdf_load_stackoverflow) 1970-02-27

Family

ID=10282557

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6919975A Withdrawn FR2011138A1 (enrdf_load_stackoverflow) 1968-06-18 1969-06-16

Country Status (4)

Country Link
DE (1) DE1930355A1 (enrdf_load_stackoverflow)
FR (1) FR2011138A1 (enrdf_load_stackoverflow)
GB (1) GB1258247A (enrdf_load_stackoverflow)
NL (1) NL6908584A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015082295A1 (en) 2013-12-05 2015-06-11 Asml Netherlands B.V. Electron injector and free electron laser

Also Published As

Publication number Publication date
NL6908584A (enrdf_load_stackoverflow) 1969-12-22
DE1930355A1 (de) 1970-01-02
GB1258247A (enrdf_load_stackoverflow) 1971-12-22

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Legal Events

Date Code Title Description
ST Notification of lapse