JPH0418660B2 - - Google Patents

Info

Publication number
JPH0418660B2
JPH0418660B2 JP60112601A JP11260185A JPH0418660B2 JP H0418660 B2 JPH0418660 B2 JP H0418660B2 JP 60112601 A JP60112601 A JP 60112601A JP 11260185 A JP11260185 A JP 11260185A JP H0418660 B2 JPH0418660 B2 JP H0418660B2
Authority
JP
Japan
Prior art keywords
cathode
alkaline earth
earth metal
scandium oxide
heat
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
JP60112601A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61269828A (ja
Inventor
Toyoichi Kamata
Kinjiro Sano
Keiji Fukuyama
Masato Saito
Keiji Watabe
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 JP60112601A priority Critical patent/JPS61269828A/ja
Priority to KR1019860003666A priority patent/KR900007751B1/ko
Priority to US06/864,566 priority patent/US4864187A/en
Priority to DE8686303959T priority patent/DE3660878D1/de
Priority to EP86303959A priority patent/EP0204477B1/en
Publication of JPS61269828A publication Critical patent/JPS61269828A/ja
Priority to US07/377,516 priority patent/US5015497A/en
Publication of JPH0418660B2 publication Critical patent/JPH0418660B2/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
    • H01J9/042—Manufacture, activation of the emissive part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
JP60112601A 1985-05-25 1985-05-25 電子管陰極の製造方法 Granted JPS61269828A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP60112601A JPS61269828A (ja) 1985-05-25 1985-05-25 電子管陰極の製造方法
KR1019860003666A KR900007751B1 (ko) 1985-05-25 1986-05-12 전자관 음극 및 그 제조방법
US06/864,566 US4864187A (en) 1985-05-25 1986-05-16 Cathode for electron tube and manufacturing method thereof
DE8686303959T DE3660878D1 (en) 1985-05-25 1986-05-23 Cathode for electron tube and manufacturing method thereof
EP86303959A EP0204477B1 (en) 1985-05-25 1986-05-23 Cathode for electron tube and manufacturing method thereof
US07/377,516 US5015497A (en) 1985-05-25 1989-07-10 Cathode for electron tube and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60112601A JPS61269828A (ja) 1985-05-25 1985-05-25 電子管陰極の製造方法

Publications (2)

Publication Number Publication Date
JPS61269828A JPS61269828A (ja) 1986-11-29
JPH0418660B2 true JPH0418660B2 (en:Method) 1992-03-27

Family

ID=14590813

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60112601A Granted JPS61269828A (ja) 1985-05-25 1985-05-25 電子管陰極の製造方法

Country Status (1)

Country Link
JP (1) JPS61269828A (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR910002969B1 (ko) * 1987-06-12 1991-05-11 미쓰비시전기주식회사 전자관음극(cathode for an electron tube)
JPS63313447A (ja) * 1987-06-15 1988-12-21 Mitsubishi Electric Corp 電子管陰極の製法
JPS63313446A (ja) * 1987-06-15 1988-12-21 Mitsubishi Electric Corp 電子管陰極
JPH0690907B2 (ja) * 1988-02-02 1994-11-14 三菱電機株式会社 電子管用陰極
KR19990033174A (ko) 1997-10-23 1999-05-15 손욱 전자관용 음극

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5778759A (en) * 1980-11-05 1982-05-17 Mitsubishi Electric Corp Metal halide lamp
JPS57202621A (en) * 1981-06-09 1982-12-11 Mitsubishi Electric Corp Manufacturing method for electron emission substance

Also Published As

Publication number Publication date
JPS61269828A (ja) 1986-11-29

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term