KR910008106A - Method for producing electron-emitting oxide of cathode for electron tube - Google Patents

Method for producing electron-emitting oxide of cathode for electron tube Download PDF

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Publication number
KR910008106A
KR910008106A KR1019890014854A KR890014854A KR910008106A KR 910008106 A KR910008106 A KR 910008106A KR 1019890014854 A KR1019890014854 A KR 1019890014854A KR 890014854 A KR890014854 A KR 890014854A KR 910008106 A KR910008106 A KR 910008106A
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KR
South Korea
Prior art keywords
electron
aqueous solution
producing
ternary
cathode
Prior art date
Application number
KR1019890014854A
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Korean (ko)
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KR930003471B1 (en
Inventor
이안섭
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김정배
삼성전관 주식회사
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Priority to KR1019890014854A priority Critical patent/KR930003471B1/en
Publication of KR910008106A publication Critical patent/KR910008106A/en
Application granted granted Critical
Publication of KR930003471B1 publication Critical patent/KR930003471B1/en

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Solid Thermionic Cathode (AREA)

Abstract

내용 없음.No content.

Description

전자관용 음극의 전자방출성 산화물의 제조방법Method for producing electron-emitting oxide of cathode for electron tube

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (1)

전자관용 음극의 전자방출선 산화물인 3원탄산염 현탁액을 제조하는 방법에 있어서, Ba, Sr나 Ca의 소정조성을 갖는 3원 질산염 수용액을 만드는 제1공정과, 상기의 수용액에 침전제 수용액을 가하여(Ba, Sr, Ca)CO3의 3원탄산염 고용제를 만드는 제2공정과, 제2공정의 수용액을 세정, 여과 및 건조하여 3원탄산염 고용체 분말을 얻는 제3공정과, Sc또는 In의 질산염상태로 유기용매에 용해시킨 다음 이에 3원탄산염 고용체 분말과 적절한 접착제를 혼합하는 제4공정 및 볼 밀 공정으로 혼합물을 분산시켜 3원탄산염 현탁액을 얻는 제5공정으로 형성됨을 특징으로 하는 음극의 전자방출성 산화물의 제조방법.In the method for producing a tertiary carbonate suspension, which is an electron-emitting ray oxide of a cathode for an electron tube, a first step of forming a ternary nitrate aqueous solution having a predetermined composition of Ba, Sr, or Ca, and adding a precipitant aqueous solution to the aqueous solution (Ba In the second step of making a ternary carbonate solid solution of, Sr, Ca) CO 3 , and in the third step of washing, filtering and drying the aqueous solution of the second step to obtain a ternary carbonate solid solution powder, and in the nitrate state of Sc or In. Electron-emitting property of the negative electrode, characterized in that the fourth step of dissolving the mixture in an organic solvent and then mixing the ternary carbonate solid solution powder with an appropriate adhesive and a fifth step of dispersing the mixture to obtain a ternary carbonate suspension Method for producing oxides. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890014854A 1989-10-16 1989-10-16 Method for manufacturing cathode of electron gun KR930003471B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890014854A KR930003471B1 (en) 1989-10-16 1989-10-16 Method for manufacturing cathode of electron gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890014854A KR930003471B1 (en) 1989-10-16 1989-10-16 Method for manufacturing cathode of electron gun

Publications (2)

Publication Number Publication Date
KR910008106A true KR910008106A (en) 1991-05-30
KR930003471B1 KR930003471B1 (en) 1993-04-29

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ID=19290731

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890014854A KR930003471B1 (en) 1989-10-16 1989-10-16 Method for manufacturing cathode of electron gun

Country Status (1)

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KR (1) KR930003471B1 (en)

Also Published As

Publication number Publication date
KR930003471B1 (en) 1993-04-29

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