KR950006911A - Oxide cathode for electron tube - Google Patents

Oxide cathode for electron tube Download PDF

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Publication number
KR950006911A
KR950006911A KR1019930021670A KR930021670A KR950006911A KR 950006911 A KR950006911 A KR 950006911A KR 1019930021670 A KR1019930021670 A KR 1019930021670A KR 930021670 A KR930021670 A KR 930021670A KR 950006911 A KR950006911 A KR 950006911A
Authority
KR
South Korea
Prior art keywords
oxide
oxide cathode
electron
cathode
emitting material
Prior art date
Application number
KR1019930021670A
Other languages
Korean (ko)
Inventor
최종서
손경천
최귀석
주규남
이상원
Original Assignee
박경팔
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 박경팔, 삼성전관 주식회사 filed Critical 박경팔
Priority to DE1993613845 priority Critical patent/DE69313845T2/en
Priority to EP19930310036 priority patent/EP0639848B1/en
Priority to SG1996004185A priority patent/SG44617A1/en
Priority to TW82110980A priority patent/TW259877B/zh
Priority to CN93121498A priority patent/CN1061462C/en
Priority to JP7484094A priority patent/JPH0765692A/en
Publication of KR950006911A publication Critical patent/KR950006911A/en

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Abstract

본 발명은 전자관의 전자총에 사용되는 산화물 음극에 관한 것으로서, 금속기체, 그의 상부에 형성되는 적어도 바륨을 함유하는 전자방출물질층, 및 이를 가열하는 수단을 구비하는 산화물 음극에 있어서, 상기 전자방출물질층이 침상 구조를 가지면서 란타늄 산화물 및 테르븀 산화물의 적어도 하나를 더욱 포함하는 것을 특징으로 하는 산화물 음극은, 종래의 산화물 음극에 비하여 수명 향상 효과가 있을 뿐 아니라 종래의 산화물 음극의 제조공정과 100% 공정 호환성을 가지므로 매우 실용적인 산화물 음극이다.The present invention relates to an oxide cathode used for an electron gun of an electron tube, comprising: a metal gas, an electron-emitting material layer containing at least barium formed thereon, and an oxide cathode including means for heating the electron-emitting material. The oxide cathode, characterized in that the layer further has at least one of lanthanum oxide and terbium oxide while having a needle-like structure, has a lifespan-improving effect as compared to the conventional oxide cathode and is 100% of the manufacturing process of the conventional oxide cathode. It is a very practical oxide cathode because of its process compatibility.

Description

전자관용 산화물 음극Oxide cathode for electron tube

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 종래의 산화물 음극의 구조를 보여주는 모식 단면도이고,1 is a schematic cross-sectional view showing the structure of a conventional oxide cathode,

제2도는 본 발명의 산화물 음극의 전자방출 물질층의 확대 모식도이다.2 is an enlarged schematic view of the electron-emitting material layer of the oxide cathode of the present invention.

Claims (2)

금속기체, 그의 상부에 형성되는 적어도 바륨을 함유는 전자방출물질층, 및 이를 가열하는 수단을 구비하는 산화물 음극에 있어서, 상기 전자방출물질층이 침상 구조를 가지면서 란타늄 산화물 및 테브븀 산화물의 적어도 하나를 더욱 포함하는 것을 특징으로 하는 산화물 음극.An oxide cathode comprising a metal gas, an electron-emitting material layer containing at least barium formed thereon, and a means for heating the same, wherein the electron-emitting material layer has a needle-like structure and has at least a lanthanum oxide and a titanium oxide; An oxide cathode, characterized in that it further comprises one. 제1항에 있어서, 상기 란타늄 산화물 또는 테르븀 산화물의 양이, 전자방출물질 총량을 기준으로 각각 0.0001 내지 5중량% 범위에 있는 것을 특징으로 하는 산화물 음극.The oxide cathode of claim 1, wherein the amount of lanthanum oxide or terbium oxide is in the range of 0.0001 to 5% by weight, respectively, based on the total amount of the electron-emitting materials. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930021670A 1993-08-20 1993-10-19 Oxide cathode for electron tube KR950006911A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE1993613845 DE69313845T2 (en) 1993-08-20 1993-12-13 Oxide cathode for electron tubes
EP19930310036 EP0639848B1 (en) 1993-08-20 1993-12-13 Oxide cathode for electron tube
SG1996004185A SG44617A1 (en) 1993-08-20 1993-12-13 Oxide cathode for electron tube
TW82110980A TW259877B (en) 1993-08-20 1993-12-24
CN93121498A CN1061462C (en) 1993-08-20 1993-12-29 Oxide cathode for electron tube
JP7484094A JPH0765692A (en) 1993-08-20 1994-04-13 Oxide cathode for electron tube

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR93-16231 1993-08-20
KR930016231 1993-08-20

Publications (1)

Publication Number Publication Date
KR950006911A true KR950006911A (en) 1995-03-21

Family

ID=66865854

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930021670A KR950006911A (en) 1993-08-20 1993-10-19 Oxide cathode for electron tube

Country Status (1)

Country Link
KR (1) KR950006911A (en)

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