JPH0219574B2 - - Google Patents

Info

Publication number
JPH0219574B2
JPH0219574B2 JP56088441A JP8844181A JPH0219574B2 JP H0219574 B2 JPH0219574 B2 JP H0219574B2 JP 56088441 A JP56088441 A JP 56088441A JP 8844181 A JP8844181 A JP 8844181A JP H0219574 B2 JPH0219574 B2 JP H0219574B2
Authority
JP
Japan
Prior art keywords
electrode
heat
scandium oxide
resistant metal
discharge lamp
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 - Lifetime
Application number
JP56088441A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57202621A (en
Inventor
Keiji Fukuyama
Masato Saito
Keiji Watabe
Masahiro Dobashi
Keiichi Baba
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP8844181A priority Critical patent/JPS57202621A/ja
Publication of JPS57202621A publication Critical patent/JPS57202621A/ja
Publication of JPH0219574B2 publication Critical patent/JPH0219574B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)
  • Solid Thermionic Cathode (AREA)
JP8844181A 1981-06-09 1981-06-09 Manufacturing method for electron emission substance Granted JPS57202621A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8844181A JPS57202621A (en) 1981-06-09 1981-06-09 Manufacturing method for electron emission substance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8844181A JPS57202621A (en) 1981-06-09 1981-06-09 Manufacturing method for electron emission substance

Publications (2)

Publication Number Publication Date
JPS57202621A JPS57202621A (en) 1982-12-11
JPH0219574B2 true JPH0219574B2 (enrdf_load_stackoverflow) 1990-05-02

Family

ID=13942885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8844181A Granted JPS57202621A (en) 1981-06-09 1981-06-09 Manufacturing method for electron emission substance

Country Status (1)

Country Link
JP (1) JPS57202621A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61269828A (ja) * 1985-05-25 1986-11-29 Mitsubishi Electric Corp 電子管陰極の製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5316308A (en) * 1976-07-30 1978-02-15 Tokyo Gasu Denro Kk Continuousstype rotary retort furnace
JPS5632659A (en) * 1979-08-27 1981-04-02 Mitsubishi Electric Corp Metal vapor discharge lamp

Also Published As

Publication number Publication date
JPS57202621A (en) 1982-12-11

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