FR1460327A - Perfectionnements aux canons électroniques - Google Patents

Perfectionnements aux canons électroniques

Info

Publication number
FR1460327A
FR1460327A FR42714A FR42714A FR1460327A FR 1460327 A FR1460327 A FR 1460327A FR 42714 A FR42714 A FR 42714A FR 42714 A FR42714 A FR 42714A FR 1460327 A FR1460327 A FR 1460327A
Authority
FR
France
Prior art keywords
electronic guns
guns
electronic
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
FR42714A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of FR1460327A publication Critical patent/FR1460327A/fr
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
    • H01J3/029—Schematic arrangements for beam forming
    • 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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/54—Arrangements for centring ray or beam
FR42714A 1964-12-18 1965-12-17 Perfectionnements aux canons électroniques Expired FR1460327A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US419429A US3358174A (en) 1964-12-18 1964-12-18 Electron gun having a segmented control electrode

Publications (1)

Publication Number Publication Date
FR1460327A true FR1460327A (fr) 1966-11-25

Family

ID=23662230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR42714A Expired FR1460327A (fr) 1964-12-18 1965-12-17 Perfectionnements aux canons électroniques

Country Status (2)

Country Link
US (1) US3358174A (fr)
FR (1) FR1460327A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3483427A (en) * 1967-11-03 1969-12-09 Minnesota Mining & Mfg Lens for electron beam recorder
GB1291221A (en) * 1968-07-07 1972-10-04 Smith Kenneth C A Electron probe forming system
FR2094452A5 (en) * 1970-06-22 1972-02-04 Cit Alcatel Electron gun - for high speed electron beam welding
US3694687A (en) * 1970-08-12 1972-09-26 Columbia Broadcasting Syst Inc Electron gun with anode segments for beam position detection
US3952227A (en) * 1971-04-09 1976-04-20 U.S. Philips Corporation Cathode-ray tube having electrostatic focusing and electrostatic deflection in one lens
JPS5433512B2 (fr) * 1972-05-22 1979-10-20
CA1141420A (fr) * 1980-06-20 1983-02-15 Stephen Lhotsky Filament, procede d'affutage electrolytique et appareil permettant la mise en oeuvre du procede
DE3204897A1 (de) * 1982-02-12 1983-08-25 Siemens AG, 1000 Berlin und 8000 München Korpuskularstrahlerzeugendes system und verfahren zu seinem betrieb
DE3205027A1 (de) * 1982-02-12 1983-08-25 Siemens AG, 1000 Berlin und 8000 München Integriertes korpuskularstrahlerzeugendes system
WO2000024030A2 (fr) * 1998-10-21 2000-04-27 Etec Systems, Inc. Reglage ameliore de l'emission d'un champ thermique
US6288401B1 (en) 1999-07-30 2001-09-11 Etec Systems, Inc. Electrostatic alignment of a charged particle beam

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL192009A (fr) * 1953-11-02
US2784334A (en) * 1955-03-29 1957-03-05 Philco Corp Precision dual beam cathode-ray tube
US3178603A (en) * 1958-09-25 1965-04-13 Westinghouse Electric Corp Cathode ray apparatus for character display or conventional cathode ray display

Also Published As

Publication number Publication date
US3358174A (en) 1967-12-12

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