KR920003361A - 산화물 음극 - Google Patents

산화물 음극 Download PDF

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Publication number
KR920003361A
KR920003361A KR1019900010185A KR900010185A KR920003361A KR 920003361 A KR920003361 A KR 920003361A KR 1019900010185 A KR1019900010185 A KR 1019900010185A KR 900010185 A KR900010185 A KR 900010185A KR 920003361 A KR920003361 A KR 920003361A
Authority
KR
South Korea
Prior art keywords
oxide cathode
oxide
alkaline earth
earth metal
cathode
Prior art date
Application number
KR1019900010185A
Other languages
English (en)
Other versions
KR920009323B1 (ko
Inventor
손경천
이안섭
Original Assignee
김정배
삼성전관 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 김정배, 삼성전관 주식회사 filed Critical 김정배
Priority to KR1019900010185A priority Critical patent/KR920009323B1/ko
Publication of KR920003361A publication Critical patent/KR920003361A/ko
Application granted granted Critical
Publication of KR920009323B1 publication Critical patent/KR920009323B1/ko

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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
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H01J1/142—Solid thermionic cathodes characterised by the material with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material
    • 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
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H01J1/146—Solid thermionic cathodes characterised by the material with metals or alloys as an 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

Landscapes

  • Solid Thermionic Cathode (AREA)

Abstract

내용 없음

Description

산화물 음극
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (4)

  1. 금속기체위에 Ba, Sr, Ca의 3원 알칼리토류금속산화물층이 형성되어 있는 산화물 음극에 있어서, 제4의 원소와 바륨함유 알칼리 토류금속의 가용성염을 함유하는 용액을 적정한 농도로 제조하여 이를 상기 3원 알칼리 토류금속 산화물층에 균일하게 분포하여 된 것을 특징으로 하는 산화물 음극.
  2. 제1항에 있어서, 상기 제4의 원소가 스칸듐, 인듐, 칼륨, 및 희토류금속 중 적어도 하나를 포함하는 것을 특징으로 하는 산화물 음극.
  3. 제2항에 있어서, 상기 제4의 원소의 함량이 산화물층 100중량%를 기준하여 0.01내지 1중량%인 것을 특징으로 하는 산화물 음극.
  4. 제1항에 있어서, 상기 가용성염이 질산염의 형태로 첨가되는 것을 특징으로 하는 산화물 음극.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900010185A 1990-07-05 1990-07-05 산화물 음극 KR920009323B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900010185A KR920009323B1 (ko) 1990-07-05 1990-07-05 산화물 음극

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900010185A KR920009323B1 (ko) 1990-07-05 1990-07-05 산화물 음극

Publications (2)

Publication Number Publication Date
KR920003361A true KR920003361A (ko) 1992-02-29
KR920009323B1 KR920009323B1 (ko) 1992-10-15

Family

ID=19300944

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900010185A KR920009323B1 (ko) 1990-07-05 1990-07-05 산화물 음극

Country Status (1)

Country Link
KR (1) KR920009323B1 (ko)

Also Published As

Publication number Publication date
KR920009323B1 (ko) 1992-10-15

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