KR880004520A - Heat dissipating cathode structure of cathode ray tube - Google Patents

Heat dissipating cathode structure of cathode ray tube Download PDF

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Publication number
KR880004520A
KR880004520A KR1019860008170A KR860008170A KR880004520A KR 880004520 A KR880004520 A KR 880004520A KR 1019860008170 A KR1019860008170 A KR 1019860008170A KR 860008170 A KR860008170 A KR 860008170A KR 880004520 A KR880004520 A KR 880004520A
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KR
South Korea
Prior art keywords
cathode
ray tube
heat dissipating
base metal
cathode structure
Prior art date
Application number
KR1019860008170A
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Korean (ko)
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KR930007588B1 (en
Inventor
박기선
Original Assignee
구자학
주식회사 금 성 사
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 구자학, 주식회사 금 성 사 filed Critical 구자학
Priority to KR1019860008170A priority Critical patent/KR930007588B1/en
Publication of KR880004520A publication Critical patent/KR880004520A/en
Application granted granted Critical
Publication of KR930007588B1 publication Critical patent/KR930007588B1/en

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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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment

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

Abstract

내용 없음No content

Description

음극선관의 방열형 캐소드 구조체Heat dissipating cathode structure of cathode ray tube

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

제2도는 본 발명에 따른 음극선관의 캐소드 구조체의 단면도.2 is a cross-sectional view of the cathode structure of the cathode ray tube according to the present invention.

제3도는 종래와 본 발명 캐소드 구조체의 수명 비교도.Figure 3 is a comparison of the lifetime of the cathode structure of the prior art and the present invention.

제4도는 제2도의 기체 금속 두께/슬리브 정부두께에 따른 열전자 방사율의 변화곡선.4 is a change curve of the hot electron emissivity according to the gas metal thickness / sleeve thickness of FIG.

Claims (2)

가열된 히터(1)의 열에 의해 기체금속(4) 상의 산화물음극재(5)를 가열하여 열전자 방사를 하게한 방열형 캐소드 구조체에 있어서, 슬리이브(3)(3`) 상부에 니켈(Ni)을 주체로 크롬(Cr)이 함유된 슬리이브 정부(3")를 형성하여 그 슬리이브 정부(3")와 그 상부의 기체금속(4)을 프레스 가압 접합하여 기체금속(4)과 슬리이브 정부(3")간에 확산층이 형성되도록 구성함을 특징으로 하는 음극선관의 방열형 캐소드 구조체.In the heat radiation type cathode structure in which the oxide cathode material 5 on the base metal 4 is heated by the heat of the heated heater 1 to cause electroelectron radiation, nickel (Ni) is formed on the top of the sleeve 3 (3`). Mainly forms a sleeve part (3 ") containing chromium (Cr), press-bonds the sleeve part (3") and the base metal (4) thereon, and presses the base metal (4) and the sleeve. A cathode ray tube heat dissipating cathode structure, characterized in that the diffusion layer is formed between the government (3 "). 제1항에 있어서, 기체금속(4)의 두께(a)와 슬리이브 정부(3")의 두께(b)의 비를 1a/b3이 되도록 구성함을 특징으로 하는 음극선관의 방열형 캐소드 구조체.2. The ratio of the thickness a of the base metal 4 to the thickness b of the sleeve part 3 " a / b Heat dissipating cathode structure of the cathode ray tube, characterized in that configured to be three. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860008170A 1986-09-29 1986-09-29 Indirecty heated cathode structure frame of crt KR930007588B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860008170A KR930007588B1 (en) 1986-09-29 1986-09-29 Indirecty heated cathode structure frame of crt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860008170A KR930007588B1 (en) 1986-09-29 1986-09-29 Indirecty heated cathode structure frame of crt

Publications (2)

Publication Number Publication Date
KR880004520A true KR880004520A (en) 1988-06-04
KR930007588B1 KR930007588B1 (en) 1993-08-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860008170A KR930007588B1 (en) 1986-09-29 1986-09-29 Indirecty heated cathode structure frame of crt

Country Status (1)

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KR (1) KR930007588B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100400587B1 (en) * 1998-10-28 2003-10-08 마쯔시다덴기산교 가부시키가이샤 Cathode structure for cathode ray tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100400587B1 (en) * 1998-10-28 2003-10-08 마쯔시다덴기산교 가부시키가이샤 Cathode structure for cathode ray tube

Also Published As

Publication number Publication date
KR930007588B1 (en) 1993-08-13

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