KR880005647A - Dispenser cathode assembly for CRT - Google Patents

Dispenser cathode assembly for CRT Download PDF

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Publication number
KR880005647A
KR880005647A KR870003033A KR870003033A KR880005647A KR 880005647 A KR880005647 A KR 880005647A KR 870003033 A KR870003033 A KR 870003033A KR 870003033 A KR870003033 A KR 870003033A KR 880005647 A KR880005647 A KR 880005647A
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KR
South Korea
Prior art keywords
cathode
negative electrode
assembly
reservoir
cathodes
Prior art date
Application number
KR870003033A
Other languages
Korean (ko)
Inventor
알. 팔스 루이스
제이 카베리 죤
Original Assignee
죠엘 피. 모스코위츠
세라딘, 인코포레이티드
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 죠엘 피. 모스코위츠, 세라딘, 인코포레이티드 filed Critical 죠엘 피. 모스코위츠
Publication of KR880005647A publication Critical patent/KR880005647A/en

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04Cathodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/20Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28Dispenser-type cathodes, e.g. L-cathode

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

Abstract

내용 없음No content

Description

CRT용 디스펜서 음극조립체Dispenser cathode assembly for CRT

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

제2도는 본 발명장치의 단면도.2 is a cross-sectional view of the apparatus of the present invention.

제3도는 본 발명 칼라 CRT 음극 조립체의 사시도.3 is a perspective view of the present invention color CRT cathode assembly.

제4도는 제3도의 선 4-4의 단면도.4 is a cross-sectional view taken along the line 4-4 of FIG.

제5도는 제3도 음극 조립체의 절연체의 평면도.5 is a plan view of the insulator of the FIG. 3 cathode assembly.

Claims (10)

음극 ; 상기의 음극을 수용하기 위한 부위를 갖는 유지링 ; 상기의 유지링이 부착되느 하우징 ; 및 구멍을 구비한 그리드로 구성시키되, 상기의 링과 상기의 하우징 사이에 있는 부착 영역은 상기의 음극수용 부위로부터 이격되어 있으며, 상기의 그리드를 상기의 하우징에 의해서 상기의 음극에 대해 정확하게 이격되게 유지시켜서 상기의 음극이 여자되면 상기의 구멍을 통과하는 전자의 비임이 발산되도록 한 음극조립체.Cathode; A retaining ring having a portion for accommodating the cathode; A housing to which the retaining ring is attached; And a grid with holes, wherein the attachment area between the ring and the housing is spaced apart from the cathode receiving site and the grid is accurately spaced from the cathode by the housing. And a cathode assembly, wherein the cathode emits a beam of electrons passing through the hole when the cathode is excited. 제1항에 있어서, 상기의 음극은 디스펜서 음극임을 특징으로 하는 음극조립체.The negative electrode assembly of claim 1, wherein the negative electrode is a dispenser negative electrode. 제1항에 있어서, 칼라 CRT에서 상기의 조립체를 사용하기 위해서 세개의 음극과 세개의 그리드 구멍이 제공됨을 특징으로 하는 음극조립체.The cathode assembly of claim 1, wherein three cathodes and three grid holes are provided for use of the assembly in the color CRT. 제1항에 있어서, 상기의 하우징과 상기의 유지링을 세라믹 물질로 제조함을 특징으로 하는 음극조립체.The negative electrode assembly of claim 1, wherein the housing and the retaining ring are made of a ceramic material. 제1항에 있어서, 상기의 음극은 내화성 금속으로 만든 저장기 ; 바륨 칼슘 알루미네이트와 텅스텐으로 구성되어 상기의 저장기내에 들어 있는 제1펠릿 ; 압축되고 소결된 다공성 텅스텐으로 구성되어 상기의 저장기 위에 위치되며 상기의 저장기를 밀봉시키기 위한 제 2펠링; 및 상기의 저장기와 펠릿에 열을 인가하여 그로부터 전류를 발산시키기 위한 수단으로 구성시킴을 특징으로 하는 음극조립체.According to claim 1, wherein the cathode is a reservoir made of a refractory metal; A first pellet composed of barium calcium aluminate and tungsten and contained in the reservoir; A second ring consisting of compressed and sintered porous tungsten and positioned over said reservoir and for sealing said reservoir; And means for applying heat to said reservoir and pellets to dissipate current therefrom. 제5항에 있어서, 상기의 저장기는 몰리브덴, 레늄, 몰리브덴과 레늄의 조합, 텅스텐, 텅스텐과 레늄이 조합 및 탄탈륨으로 구성된 그룹의 금속으로 형성됨을 특징으로 하는 음극조립체.6. The negative electrode assembly of claim 5, wherein the reservoir is formed of a metal of a group consisting of molybdenum, rhenium, a combination of molybdenum and rhenium, tungsten, tungsten and rhenium in combination and tantalum. 제5항에 있어서, 상기의 제2펠릿은 이리듐, 오스뮴, 류테륨, 및 레늄으로 구성된 그룹 중 적어도 하나의 금속으로 형성됨을 특징으로 하는 음극조립체.6. The negative electrode assembly of claim 5, wherein the second pellet is formed of at least one metal selected from the group consisting of iridium, osmium, ruthelium, and rhenium. 제1항에 있어서, 상기의 유지링의 음극 수용부위는 환상 구조임을 특징으로 하는 음극조립체.The cathode assembly of claim 1, wherein the cathode receiving portion of the retaining ring has an annular structure. 각각이 전자비임을 발생시키기 위한 적어도 세개의 음극 ; 상기의 음극을 상호 이격된 관계로 유지하기 위한 수단 ; 그리드 판 ; 상기의 그리드판을 상기의 모든 음극에 대해 고정된 이격 관계로 지지하기 위한 수단 ; 및 상기의 전자 비임을 여자시키기 위해서 상기의 각각의 음극을 가열시키기 위한 수단으로 구성시키되 상기의 그리드 판은 상기의 전자비임이 통과할 수 있는 적어도 세개의 구성을 갖음을 특징으로 하는 칼라 CRT용 음극조립체.At least three cathodes each for generating an electron beam; Means for maintaining the cathodes in spaced relation; Grid plate; Means for supporting said grid plate in a fixed spaced relationship relative to all of said cathodes; And means for heating the respective cathodes to excite the electron beams, wherein the grid plate has at least three configurations through which the electron beams can pass. Assembly. 제9항에 있어서, 상기의 음극 유지수단과 상기의 그리드판 지지수단을 세라믹 물질로 제조함을 특징으로 하는 칼라 CRT용 음극조립체.10. The negative electrode assembly of claim 9, wherein the negative electrode holding means and the grid plate supporting means are made of a ceramic material. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR870003033A 1986-10-27 1987-10-31 Dispenser cathode assembly for CRT KR880005647A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US92345186A 1986-10-27 1986-10-27
US923451 1986-10-27

Publications (1)

Publication Number Publication Date
KR880005647A true KR880005647A (en) 1988-06-29

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Family Applications (1)

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KR870003033A KR880005647A (en) 1986-10-27 1987-10-31 Dispenser cathode assembly for CRT

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JP (1) JPS63116329A (en)
KR (1) KR880005647A (en)
GB (1) GB2196786A (en)
NL (1) NL8700653A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5028838A (en) * 1989-08-31 1991-07-02 Askew Dennis D Grid assemblies for use in cathode ray tubes
EP0537495B1 (en) * 1991-09-18 1995-09-20 Nec Corporation An impregnated cathode and method for its manufacture

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH451331A (en) * 1965-12-13 1968-05-15 Heinz Steigerwald Karl Electron beam generating system
US3426235A (en) * 1966-12-20 1969-02-04 Rca Corp Pickup device
BE759174A (en) * 1969-11-21 1971-05-19 Philips Nv RESERVE CATHODE AND ITS REALIZATION PROCESS
NL7402421A (en) * 1974-02-22 1975-08-26 Philips Nv CATHOD BEAM TUBE FOR DISPLAYING COLORED IMAGES.
JPS5277661A (en) * 1975-12-24 1977-06-30 Jeol Ltd Electron gun
FR2433828A1 (en) * 1978-08-18 1980-03-14 Commissariat Energie Atomique CERAMIC MATERIAL FOR ELECTRON CANNON CATHODES
GB2050045A (en) * 1979-05-29 1980-12-31 Emi Varian Ltd Thermionic cathode
NL8002343A (en) * 1980-04-23 1981-11-16 Philips Nv ELECTRON GUN AND CATHODE JET CONTAINING SUCH ELECTRON GUN.
JPS61183838A (en) * 1985-02-08 1986-08-16 Hitachi Ltd Impregnated type cathode

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NL8700653A (en) 1988-05-16
GB2196786A (en) 1988-05-05
JPS63116329A (en) 1988-05-20
GB8705512D0 (en) 1987-04-15

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