JPH0522330B2 - - Google Patents

Info

Publication number
JPH0522330B2
JPH0522330B2 JP56128890A JP12889081A JPH0522330B2 JP H0522330 B2 JPH0522330 B2 JP H0522330B2 JP 56128890 A JP56128890 A JP 56128890A JP 12889081 A JP12889081 A JP 12889081A JP H0522330 B2 JPH0522330 B2 JP H0522330B2
Authority
JP
Japan
Prior art keywords
porous body
cathode
rod
melting point
wire
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
JP56128890A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5830035A (ja
Inventor
Chikao Kimura
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.)
Japan Radio Co Ltd
Original Assignee
Japan Radio 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 Japan Radio Co Ltd filed Critical Japan Radio Co Ltd
Priority to JP56128890A priority Critical patent/JPS5830035A/ja
Publication of JPS5830035A publication Critical patent/JPS5830035A/ja
Publication of JPH0522330B2 publication Critical patent/JPH0522330B2/ja
Granted legal-status Critical Current

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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Electron Sources, Ion Sources (AREA)
JP56128890A 1981-08-18 1981-08-18 点状陰極 Granted JPS5830035A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56128890A JPS5830035A (ja) 1981-08-18 1981-08-18 点状陰極

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56128890A JPS5830035A (ja) 1981-08-18 1981-08-18 点状陰極

Publications (2)

Publication Number Publication Date
JPS5830035A JPS5830035A (ja) 1983-02-22
JPH0522330B2 true JPH0522330B2 (enrdf_load_stackoverflow) 1993-03-29

Family

ID=14995875

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56128890A Granted JPS5830035A (ja) 1981-08-18 1981-08-18 点状陰極

Country Status (1)

Country Link
JP (1) JPS5830035A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH069511B2 (ja) * 1988-03-31 1994-02-09 工業技術院長 酵素包括ゲル粒子の製造方法
JPH0713099B2 (ja) 1988-12-14 1995-02-15 工業技術院長 感光性ポリビニルアルコール誘導体
US8436524B2 (en) 2007-05-16 2013-05-07 Denki Kagaku Kogyo Kabushiki Kaisha Electron source

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4962070A (enrdf_load_stackoverflow) * 1972-10-18 1974-06-15

Also Published As

Publication number Publication date
JPS5830035A (ja) 1983-02-22

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