KR920007020A - Cathode ray tube - Google Patents

Cathode ray tube Download PDF

Info

Publication number
KR920007020A
KR920007020A KR1019900014742A KR900014742A KR920007020A KR 920007020 A KR920007020 A KR 920007020A KR 1019900014742 A KR1019900014742 A KR 1019900014742A KR 900014742 A KR900014742 A KR 900014742A KR 920007020 A KR920007020 A KR 920007020A
Authority
KR
South Korea
Prior art keywords
cathode
ray tube
material layer
cathode ray
hot
Prior art date
Application number
KR1019900014742A
Other languages
Korean (ko)
Other versions
KR920008299B1 (en
Inventor
이안섭
손경천
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 KR1019900014742A priority Critical patent/KR920008299B1/en
Publication of KR920007020A publication Critical patent/KR920007020A/en
Application granted granted Critical
Publication of KR920008299B1 publication Critical patent/KR920008299B1/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
    • 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

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)

Abstract

내용 없음No content

Description

브라운관용 음극Cathode ray tube

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

제1도는 브라운관용 음극의 구조도,1 is a structural diagram of a cathode for a cathode ray tube,

제2도는 본 발명의 음극과 종래의 음극을 수명테스트한 결과를 나타내는 그래프.2 is a graph showing the results of life test of the negative electrode of the present invention and the conventional negative electrode.

Claims (2)

알카리 토류금속의 탄산염을 이루어진 열전자방출 물질층과, Ni이 주성분이고 상기의 열전자방출물질층을 상면에 도포하고 있는 캐소오드 캡과, 상기의 캐소오드 캡을 지지하는 슬리이브와, 상기의 열전자방출물질을 가열시키기 위하여 상기의 슬리이브 내측에 수납되는 히이터로 구성된 브라운관용 음극에 있어서, 상기의 캐소오드 캡 표면에 침탄층을 10-80μ 깊이로 형성하고 있음을 특징으로 하는 브라운관용 음극.A hot-electron emitting material layer made of an carbonate of an alkaline earth metal, a cathode cap having Ni as a main component and applying the hot electron emitting material layer on the upper surface, a sleeve for supporting the cathode cap, and the hot electron emission A cathode for a cathode ray tube composed of a heater housed inside the sleeve to heat a material, wherein the cathode tube is formed with a carburizing layer having a depth of 10-80 μm on the surface of the cathode cap. 제1항에 있어서, 상기의 열전자방출물질층이 Ba, Sr, Ca의 3원 탄산염에 0.1-20중량%의 희토류금속 산화물로 이루어짐을 특징으로 하는 브라운관용 음극.The cathode for a CRT of claim 1, wherein the hot electron emission material layer comprises 0.1-20 wt% of rare earth metal oxide in ternary carbonate of Ba, Sr, and Ca. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900014742A 1990-09-14 1990-09-14 A cathode in crt KR920008299B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900014742A KR920008299B1 (en) 1990-09-14 1990-09-14 A cathode in crt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900014742A KR920008299B1 (en) 1990-09-14 1990-09-14 A cathode in crt

Publications (2)

Publication Number Publication Date
KR920007020A true KR920007020A (en) 1992-04-28
KR920008299B1 KR920008299B1 (en) 1992-09-26

Family

ID=19303720

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900014742A KR920008299B1 (en) 1990-09-14 1990-09-14 A cathode in crt

Country Status (1)

Country Link
KR (1) KR920008299B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100390388B1 (en) * 2000-07-31 2003-07-07 한국과학기술연구원 Thermal Barrier Coating Materials and Method for Making the Same, and Method for Forming the Thermal Barrier Coating Layers
KR100710587B1 (en) * 2005-12-27 2007-04-24 비아이 이엠티 주식회사 Alumina toughened zirconia(atz) ceramic body for optical lens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100390388B1 (en) * 2000-07-31 2003-07-07 한국과학기술연구원 Thermal Barrier Coating Materials and Method for Making the Same, and Method for Forming the Thermal Barrier Coating Layers
KR100710587B1 (en) * 2005-12-27 2007-04-24 비아이 이엠티 주식회사 Alumina toughened zirconia(atz) ceramic body for optical lens

Also Published As

Publication number Publication date
KR920008299B1 (en) 1992-09-26

Similar Documents

Publication Publication Date Title
KR970017767A (en) Electron tube with cathode with layer of electron-radiating material
KR850002159A (en) Color awards
KR900017067A (en) Oxide cathode
KR920007020A (en) Cathode ray tube
KR860000688A (en) Impregnated Cathode
KR920700466A (en) Electrode for discharge light source
KR910007028A (en) Electron cathode and its manufacturing method
KR960015634A (en) Cathode for electron tube
KR950006904A (en) Oxide cathode
KR890002955A (en) Cathode with oxide electron emission layer
KR950004336A (en) Cathode structure of electron gun for cathode ray tube
GB1426509A (en) Field-emission electron guns
KR840002579A (en) Color awards
KR910008766A (en) Tube cathode
KR920005212A (en) Manufacturing Method of Oxide Cathode
KR950006901A (en) Oxide cathode
KR960035730A (en) Cathode structure of electron gun for cathode ray tube
KR900000345B1 (en) Electrode assembly of electron gun
KR900010851A (en) Method of manufacturing cathode for color cathode ray tube
KR100262638B1 (en) cathode ray tube
JPS5362454A (en) Direct heating type cathode construction
KR850004339A (en) Cold cathode for cathode ray tube using diode
KR930014666A (en) Cathode for electron tube
KR910010581A (en) Manufacturing Method of Cathode Structure for Cathode Ray Tube
JPS5730235A (en) Directly-heated cathode for electron tube

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20060829

Year of fee payment: 15

LAPS Lapse due to unpaid annual fee