JPS57121125A - Quick movable type impregnated cathode - Google Patents

Quick movable type impregnated cathode

Info

Publication number
JPS57121125A
JPS57121125A JP735181A JP735181A JPS57121125A JP S57121125 A JPS57121125 A JP S57121125A JP 735181 A JP735181 A JP 735181A JP 735181 A JP735181 A JP 735181A JP S57121125 A JPS57121125 A JP S57121125A
Authority
JP
Japan
Prior art keywords
cathode
high melting
opening
melting point
powder
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.)
Pending
Application number
JP735181A
Other languages
English (en)
Inventor
Isao Sakurai
Kyoichi Sato
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 ELECTRONIC IND DEV ASSOC<JEIDA>
NIHON DENSHI KOGYO SHINKOU KIYOUKAI
NIPPON DENSHI KOGYO SHINKO
SHINNIHON MUSEN KK
New Japan Radio Co Ltd
Japan Radio Co Ltd
Original Assignee
JAPAN ELECTRONIC IND DEV ASSOC<JEIDA>
NIHON DENSHI KOGYO SHINKOU KIYOUKAI
NIPPON DENSHI KOGYO SHINKO
SHINNIHON MUSEN KK
New Japan Radio Co Ltd
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 ELECTRONIC IND DEV ASSOC<JEIDA>, NIHON DENSHI KOGYO SHINKOU KIYOUKAI, NIPPON DENSHI KOGYO SHINKO, SHINNIHON MUSEN KK, New Japan Radio Co Ltd, Japan Radio Co Ltd filed Critical JAPAN ELECTRONIC IND DEV ASSOC<JEIDA>
Priority to JP735181A priority Critical patent/JPS57121125A/ja
Publication of JPS57121125A publication Critical patent/JPS57121125A/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/20Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28Dispenser-type cathodes, e.g. L-cathode

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
  • Solid Thermionic Cathode (AREA)
JP735181A 1981-01-21 1981-01-21 Quick movable type impregnated cathode Pending JPS57121125A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP735181A JPS57121125A (en) 1981-01-21 1981-01-21 Quick movable type impregnated cathode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP735181A JPS57121125A (en) 1981-01-21 1981-01-21 Quick movable type impregnated cathode

Publications (1)

Publication Number Publication Date
JPS57121125A true JPS57121125A (en) 1982-07-28

Family

ID=11663528

Family Applications (1)

Application Number Title Priority Date Filing Date
JP735181A Pending JPS57121125A (en) 1981-01-21 1981-01-21 Quick movable type impregnated cathode

Country Status (1)

Country Link
JP (1) JPS57121125A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2634054A1 (fr) * 1988-07-05 1990-01-12 Thomson Csf Cathode pour emission d'electrons et tube electronique comprenant une telle cathode
JPH07302552A (ja) * 1994-04-30 1995-11-14 Samsung Display Devices Co Ltd 直熱型陰極を適用した陰極線管用電子銃

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51150964A (en) * 1975-06-20 1976-12-24 Hitachi Ltd Hot cathode
JPS556433U (ja) * 1978-06-26 1980-01-17

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51150964A (en) * 1975-06-20 1976-12-24 Hitachi Ltd Hot cathode
JPS556433U (ja) * 1978-06-26 1980-01-17

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2634054A1 (fr) * 1988-07-05 1990-01-12 Thomson Csf Cathode pour emission d'electrons et tube electronique comprenant une telle cathode
US5021708A (en) * 1988-07-05 1991-06-04 Thomson-Csf Cathode for emission of electrons and electron tube with a cathode of this type
JPH07302552A (ja) * 1994-04-30 1995-11-14 Samsung Display Devices Co Ltd 直熱型陰極を適用した陰極線管用電子銃

Similar Documents

Publication Publication Date Title
GB793726A (en) Improvements in or relating to dispenser cathodes
JPS54111700A (en) Thermistor composition
ES8700795A1 (es) Un metodo de fabricacion de un catodo compensado a base de escandato
JPS57121125A (en) Quick movable type impregnated cathode
JPS6417354A (en) Magnetron
JPS5661733A (en) Field emission cathode and its manufacture
JPS54144170A (en) Cathode constituent of direct heating type
JPS5611832A (en) Directly heated cathode of electron tube and its manufacture
EP0063474A3 (en) Thermionic cathode and process for preparing the same
GB783836A (en) Cathode structure for magnetrons
US2142846A (en) Metallic boat for use in high temperature furnaces
JPS55157839A (en) Manufacture of cathode body
KR100240488B1 (ko) 함침형 캐소드의 제조방법 및 제조장치
JPS5632641A (en) Manufacture of electrode for electric discharge lamp
SU643991A2 (ru) Материал дл вторичноэлектронных эмиттеров
JPS5574052A (en) Gas discharge lamp
JPS5645542A (en) Oxide cathode and its preparation
JPS55111052A (en) Discharging lamp
JPS5317263A (en) Direct headted cathode for electron tube
JPS53138909A (en) Powder of raw material for powder metallurgy
JPS57118334A (en) Indirectly impregnated cathode
JPS5730235A (en) Directly-heated cathode for electron tube
GB779095A (en) Improvements relating to cathodes for electric discharge devices
JPS55122806A (en) Production of porous high melting point metal member
JPS5362978A (en) Electron microscope