JPH027136B2 - - Google Patents

Info

Publication number
JPH027136B2
JPH027136B2 JP55021789A JP2178980A JPH027136B2 JP H027136 B2 JPH027136 B2 JP H027136B2 JP 55021789 A JP55021789 A JP 55021789A JP 2178980 A JP2178980 A JP 2178980A JP H027136 B2 JPH027136 B2 JP H027136B2
Authority
JP
Japan
Prior art keywords
cathode
alkaline earth
earth metal
oxide
aluminum
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
JP55021789A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56118238A (en
Inventor
Satoshi Watanabe
Takeo Kamegaya
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.)
Okaya Electric Industry Co Ltd
Original Assignee
Okaya Electric Industry Co Ltd
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 Okaya Electric Industry Co Ltd filed Critical Okaya Electric Industry Co Ltd
Priority to JP2178980A priority Critical patent/JPS56118238A/ja
Priority to US06/236,379 priority patent/US4393326A/en
Priority to DE3106368A priority patent/DE3106368C2/de
Publication of JPS56118238A publication Critical patent/JPS56118238A/ja
Publication of JPH027136B2 publication Critical patent/JPH027136B2/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)
  • Gas-Filled Discharge Tubes (AREA)
JP2178980A 1980-02-22 1980-02-22 Cathode for dc type gas discharge indication panel and manufacture Granted JPS56118238A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2178980A JPS56118238A (en) 1980-02-22 1980-02-22 Cathode for dc type gas discharge indication panel and manufacture
US06/236,379 US4393326A (en) 1980-02-22 1981-02-20 DC Plasma display panel
DE3106368A DE3106368C2 (de) 1980-02-22 1981-02-20 Gleichstrom-Gasentladungsanzeigevorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2178980A JPS56118238A (en) 1980-02-22 1980-02-22 Cathode for dc type gas discharge indication panel and manufacture

Publications (2)

Publication Number Publication Date
JPS56118238A JPS56118238A (en) 1981-09-17
JPH027136B2 true JPH027136B2 (cg-RX-API-DMAC7.html) 1990-02-15

Family

ID=12064823

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2178980A Granted JPS56118238A (en) 1980-02-22 1980-02-22 Cathode for dc type gas discharge indication panel and manufacture

Country Status (1)

Country Link
JP (1) JPS56118238A (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS599828A (ja) * 1982-07-08 1984-01-19 Okaya Denki Sangyo Kk 加熱陰極の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54750B2 (cg-RX-API-DMAC7.html) * 1973-11-15 1979-01-16

Also Published As

Publication number Publication date
JPS56118238A (en) 1981-09-17

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