KR910007032A - Manufacturing method of electron emitting material - Google Patents

Manufacturing method of electron emitting material Download PDF

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Publication number
KR910007032A
KR910007032A KR1019890013542A KR890013542A KR910007032A KR 910007032 A KR910007032 A KR 910007032A KR 1019890013542 A KR1019890013542 A KR 1019890013542A KR 890013542 A KR890013542 A KR 890013542A KR 910007032 A KR910007032 A KR 910007032A
Authority
KR
South Korea
Prior art keywords
carbonate
emitting material
ternary
manufacturing
nitrate
Prior art date
Application number
KR1019890013542A
Other languages
Korean (ko)
Other versions
KR920001336B1 (en
Inventor
이귀근
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 KR1019890013542A priority Critical patent/KR920001336B1/en
Publication of KR910007032A publication Critical patent/KR910007032A/en
Application granted granted Critical
Publication of KR920001336B1 publication Critical patent/KR920001336B1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Solid Thermionic Cathode (AREA)

Abstract

내용 없음.No content.

Description

전자방출물질의 제조방법Manufacturing method of electron emitting material

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

Claims (2)

질산바륨, 질산스트론튬, 질산칼슘을 탄산나트륨과 반응시켜 탄산바륨, 탄산스트론튬, 탄산칼슘의 3원 탄산염을 제조하는데 있어서, 상기 3원 탄산염은 일정한 조합비와 0.5몰 내지 0.8몰의 농도를 가지며 상기 반응이45내지 50℃의 온도에서 수행되는 것을 특징으로 하는 전자방출물질의 제조방법.In the production of ternary carbonates of barium carbonate, strontium carbonate and calcium carbonate by reacting barium nitrate, strontium nitrate and calcium nitrate with sodium carbonate, the ternary carbonate has a constant combination ratio and a concentration of 0.5 mol to 0.8 mol, Method for producing an electron-emitting material, characterized in that carried out at a temperature of 45 to 50 ℃. 제1항에 있어서, 상기 3원 탄산염은 침상 또는 막대상 구조의 7 내지 8μ의 입자크기를 가지는 것을 특징으로 하는 전자방출 물질의 제조방법.The method of claim 1, wherein the ternary carbonate has a particle size of 7 to 8μ of the needle-like or rod-shaped structure. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890013542A 1989-09-20 1989-09-20 Method manufacturing a material radiating electron KR920001336B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890013542A KR920001336B1 (en) 1989-09-20 1989-09-20 Method manufacturing a material radiating electron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890013542A KR920001336B1 (en) 1989-09-20 1989-09-20 Method manufacturing a material radiating electron

Publications (2)

Publication Number Publication Date
KR910007032A true KR910007032A (en) 1991-04-30
KR920001336B1 KR920001336B1 (en) 1992-02-10

Family

ID=19290032

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890013542A KR920001336B1 (en) 1989-09-20 1989-09-20 Method manufacturing a material radiating electron

Country Status (1)

Country Link
KR (1) KR920001336B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100322457B1 (en) * 1994-12-28 2002-06-20 김순택 Oxide of electron emission material layer of cathode for electron tube and method for fabricating the same

Also Published As

Publication number Publication date
KR920001336B1 (en) 1992-02-10

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