KR920008382U - Impregnated cathode structure - Google Patents

Impregnated cathode structure

Info

Publication number
KR920008382U
KR920008382U KR2019900016620U KR900016620U KR920008382U KR 920008382 U KR920008382 U KR 920008382U KR 2019900016620 U KR2019900016620 U KR 2019900016620U KR 900016620 U KR900016620 U KR 900016620U KR 920008382 U KR920008382 U KR 920008382U
Authority
KR
South Korea
Prior art keywords
cathode structure
impregnated cathode
impregnated
cathode
Prior art date
Application number
KR2019900016620U
Other languages
Korean (ko)
Other versions
KR920006821Y1 (en
Inventor
나우영
신상욱
Original Assignee
삼상전관 주식회사
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 삼상전관 주식회사 filed Critical 삼상전관 주식회사
Priority to KR2019900016620U priority Critical patent/KR920006821Y1/en
Publication of KR920008382U publication Critical patent/KR920008382U/en
Application granted granted Critical
Publication of KR920006821Y1 publication Critical patent/KR920006821Y1/en

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
    • 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
    • H01J1/22—Heaters
    • 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
    • H01J1/26—Supports for the emissive material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04—Cathodes
KR2019900016620U 1990-10-31 1990-10-31 A form structure of dispenser type cathode KR920006821Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019900016620U KR920006821Y1 (en) 1990-10-31 1990-10-31 A form structure of dispenser type cathode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019900016620U KR920006821Y1 (en) 1990-10-31 1990-10-31 A form structure of dispenser type cathode

Publications (2)

Publication Number Publication Date
KR920008382U true KR920008382U (en) 1992-05-20
KR920006821Y1 KR920006821Y1 (en) 1992-09-28

Family

ID=19304838

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019900016620U KR920006821Y1 (en) 1990-10-31 1990-10-31 A form structure of dispenser type cathode

Country Status (1)

Country Link
KR (1) KR920006821Y1 (en)

Also Published As

Publication number Publication date
KR920006821Y1 (en) 1992-09-28

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