ZA744074B - Improvements in or relating to a mass for a high-temperature-resistant emission electrode and process for the production of said mass - Google Patents

Improvements in or relating to a mass for a high-temperature-resistant emission electrode and process for the production of said mass

Info

Publication number
ZA744074B
ZA744074B ZA00744074A ZA744074A ZA744074B ZA 744074 B ZA744074 B ZA 744074B ZA 00744074 A ZA00744074 A ZA 00744074A ZA 744074 A ZA744074 A ZA 744074A ZA 744074 B ZA744074 B ZA 744074B
Authority
ZA
South Africa
Prior art keywords
mass
relating
production
temperature
emission electrode
Prior art date
Application number
ZA00744074A
Other languages
English (en)
Inventor
H Trattner
Original Assignee
Siemens Ag
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 by Siemens Ag filed Critical Siemens Ag
Publication of ZA744074B publication Critical patent/ZA744074B/xx

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)
  • Powder Metallurgy (AREA)
  • Arc Welding In General (AREA)
ZA00744074A 1973-07-23 1974-06-25 Improvements in or relating to a mass for a high-temperature-resistant emission electrode and process for the production of said mass ZA744074B (en)

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
ZA744074B true ZA744074B (en) 1975-06-25

Family

ID=5887721

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00744074A ZA744074B (en) 1973-07-23 1974-06-25 Improvements in or relating to a mass for a high-temperature-resistant emission electrode and process for the production of said mass

Country Status (13)

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

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 (OSRAM) * 1985-04-02 1986-10-11
JPS63139968U (OSRAM) * 1987-03-05 1988-09-14
JPS63179148U (OSRAM) * 1987-05-08 1988-11-21
JPH0210969U (OSRAM) * 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
EP0734039B1 (de) * 1995-03-24 1998-05-27 Siemens Aktiengesellschaft Emissionselektrode, bestehend aus einem Trägerkörper, der eine die Elektronenemission begünstigende, schmelzgesinterte Masse trägt
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 (OSRAM) * 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
US3970888A (en) 1976-07-20
DE2337344A1 (de) 1975-04-24
IT1017249B (it) 1977-07-20
DK141349B (da) 1980-02-25
SE397745B (sv) 1977-11-14
GB1430723A (en) 1976-04-07
BE817987A (fr) 1974-11-18
NL7409815A (nl) 1975-01-27
DK394974A (OSRAM) 1975-03-10
FR2245579B1 (OSRAM) 1977-10-14
FR2245579A1 (OSRAM) 1975-04-25
JPS5044767A (OSRAM) 1975-04-22
DE2337344B2 (de) 1977-05-12
ATA550274A (de) 1977-09-15
DK141349C (da) 1980-08-18
AT343233B (de) 1978-05-10
LU70583A1 (OSRAM) 1974-11-28
ES428492A1 (es) 1976-11-16
SE7409380L (OSRAM) 1975-01-24
JPS5518015B2 (OSRAM) 1980-05-15

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