BE817987A - Masse pour une electrode emissive refractaire ainsi que procedepour la fabrication d'une telle masse - Google Patents

Masse pour une electrode emissive refractaire ainsi que procedepour la fabrication d'une telle masse

Info

Publication number
BE817987A
BE817987A BE146848A BE146848A BE817987A BE 817987 A BE817987 A BE 817987A BE 146848 A BE146848 A BE 146848A BE 146848 A BE146848 A BE 146848A BE 817987 A BE817987 A BE 817987A
Authority
BE
Belgium
Prior art keywords
mass
refractory
procedure
manufacture
well
Prior art date
Application number
BE146848A
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 DE19732337344 external-priority patent/DE2337344C3/de
Application filed filed Critical
Publication of BE817987A publication Critical patent/BE817987A/fr

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
    • H01J1/13—Solid thermionic cathodes
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)
  • Solid Thermionic Cathode (AREA)
  • Arc Welding In General (AREA)
  • Powder Metallurgy (AREA)
BE146848A 1973-07-23 1974-07-23 Masse pour une electrode emissive refractaire ainsi que procedepour la fabrication d'une telle masse BE817987A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732337344 DE2337344C3 (de) 1973-07-23 Emissionselektrode bestehend aus einem Trägerkörper, der eine die Elektronenemission begünstigende Masse trägt

Publications (1)

Publication Number Publication Date
BE817987A true BE817987A (fr) 1974-11-18

Family

ID=5887721

Family Applications (1)

Application Number Title Priority Date Filing Date
BE146848A BE817987A (fr) 1973-07-23 1974-07-23 Masse pour une electrode emissive refractaire ainsi que procedepour la fabrication d'une telle masse

Country Status (13)

Country Link
US (1) US3970888A (fr)
JP (1) JPS5518015B2 (fr)
AT (1) AT343233B (fr)
BE (1) BE817987A (fr)
DK (1) DK141349C (fr)
ES (1) ES428492A1 (fr)
FR (1) FR2245579B1 (fr)
GB (1) GB1430723A (fr)
IT (1) IT1017249B (fr)
LU (1) LU70583A1 (fr)
NL (1) NL7409815A (fr)
SE (1) SE397745B (fr)
ZA (1) ZA744074B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5598434A (en) * 1979-01-22 1980-07-26 Toshiba Corp Electrode for discharge tube
JPS59167563U (ja) * 1983-04-26 1984-11-09 大木　欣平 ゴルフスコアホルダ−
JPS61164185U (fr) * 1985-04-02 1986-10-11
JPS63139968U (fr) * 1987-03-05 1988-09-14
JPS63179148U (fr) * 1987-05-08 1988-11-21
JPH0210969U (fr) * 1988-07-04 1990-01-24
US5447763A (en) * 1990-08-17 1995-09-05 Ion Systems, Inc. Silicon ion emitter electrodes
DE4026301A1 (de) * 1990-08-20 1992-02-27 Siemens Ag Elektronenemitter einer roentgenroehre
GB2279495A (en) * 1993-06-22 1995-01-04 Thorn Microwave Devices Limite Thermionic cathode
US5627430A (en) * 1994-06-29 1997-05-06 Ushiodenki Kabushiki Kaisha Discharge lamp having a cathode with a sintered tip insert
ES2117460T3 (es) * 1995-03-24 1998-08-01 Siemens Ag Electrodo de emision, compuesto de un cuerpo portador que lleva una masa sinterizada en fusion, que favorece la emision de electrones.
US6384534B1 (en) 1999-12-17 2002-05-07 General Electric Company Electrode material for fluorescent lamps

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3134924A (en) * 1960-07-05 1964-05-26 Monsanto Co Emissive materials of a metal matrix with molecularly dispersed additives
NL272981A (fr) * 1961-01-02
US3706001A (en) * 1971-03-15 1972-12-12 Us Army Thermionic electron emitter containing thorium carbide,thorium oxide and zirconium carbide
US3798492A (en) * 1971-05-17 1974-03-19 Itt Emissive electrode
US3798490A (en) * 1972-09-01 1974-03-19 Gen Electric Vibration resistant lamp

Also Published As

Publication number Publication date
SE7409380L (fr) 1975-01-24
NL7409815A (nl) 1975-01-27
DK394974A (fr) 1975-03-10
JPS5518015B2 (fr) 1980-05-15
ZA744074B (en) 1975-06-25
DE2337344B2 (de) 1977-05-12
FR2245579B1 (fr) 1977-10-14
FR2245579A1 (fr) 1975-04-25
DK141349C (da) 1980-08-18
GB1430723A (en) 1976-04-07
DE2337344A1 (de) 1975-04-24
ES428492A1 (es) 1976-11-16
JPS5044767A (fr) 1975-04-22
SE397745B (sv) 1977-11-14
LU70583A1 (fr) 1974-11-28
ATA550274A (de) 1977-09-15
AT343233B (de) 1978-05-10
US3970888A (en) 1976-07-20
IT1017249B (it) 1977-07-20
DK141349B (da) 1980-02-25

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