FR1514813A - Large area massive cathode cathode cathode device in lanthanum hexaboride for electron ray generator - Google Patents

Large area massive cathode cathode cathode device in lanthanum hexaboride for electron ray generator

Info

Publication number
FR1514813A
FR1514813A FR99254A FR99254A FR1514813A FR 1514813 A FR1514813 A FR 1514813A FR 99254 A FR99254 A FR 99254A FR 99254 A FR99254 A FR 99254A FR 1514813 A FR1514813 A FR 1514813A
Authority
FR
France
Prior art keywords
cathode
large area
ray generator
electron ray
lanthanum hexaboride
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
FR99254A
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.)
LOKOMOTIVBAU ELEKTROTECH
Lokomotivbau Elektrotechnische Werke Hans Beimler VEB
Original Assignee
LOKOMOTIVBAU ELEKTROTECH
Lokomotivbau Elektrotechnische Werke Hans Beimler VEB
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 LOKOMOTIVBAU ELEKTROTECH, Lokomotivbau Elektrotechnische Werke Hans Beimler VEB filed Critical LOKOMOTIVBAU ELEKTROTECH
Priority to FR99254A priority Critical patent/FR1514813A/en
Application granted granted Critical
Publication of FR1514813A publication Critical patent/FR1514813A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • 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
    • H01J1/13—Solid thermionic cathodes
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H01J1/148—Solid thermionic cathodes characterised by the material with compounds having metallic conductive properties, e.g. lanthanum boride, as an emissive material
    • 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
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
FR99254A 1967-03-17 1967-03-17 Large area massive cathode cathode cathode device in lanthanum hexaboride for electron ray generator Expired FR1514813A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR99254A FR1514813A (en) 1967-03-17 1967-03-17 Large area massive cathode cathode cathode device in lanthanum hexaboride for electron ray generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR99254A FR1514813A (en) 1967-03-17 1967-03-17 Large area massive cathode cathode cathode device in lanthanum hexaboride for electron ray generator

Publications (1)

Publication Number Publication Date
FR1514813A true FR1514813A (en) 1968-02-23

Family

ID=8627109

Family Applications (1)

Application Number Title Priority Date Filing Date
FR99254A Expired FR1514813A (en) 1967-03-17 1967-03-17 Large area massive cathode cathode cathode device in lanthanum hexaboride for electron ray generator

Country Status (1)

Country Link
FR (1) FR1514813A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2315766A1 (en) * 1975-06-23 1977-01-21 Sciaky Sa ELECTRON CANNON
EP0003937A2 (en) * 1978-03-01 1979-09-05 COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel Cathode for an electron gun

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2315766A1 (en) * 1975-06-23 1977-01-21 Sciaky Sa ELECTRON CANNON
EP0003937A2 (en) * 1978-03-01 1979-09-05 COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel Cathode for an electron gun
EP0003937A3 (en) * 1978-03-01 1979-09-19 Commissariat A L'energie Atomique Etablissement De Caractere Scientifique Technique Et Industriel Cathode for an electron gun

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