KR920005211A - Dispenser cathode and its manufacturing method - Google Patents

Dispenser cathode and its manufacturing method Download PDF

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Publication number
KR920005211A
KR920005211A KR1019900013644A KR900013644A KR920005211A KR 920005211 A KR920005211 A KR 920005211A KR 1019900013644 A KR1019900013644 A KR 1019900013644A KR 900013644 A KR900013644 A KR 900013644A KR 920005211 A KR920005211 A KR 920005211A
Authority
KR
South Korea
Prior art keywords
reservoir
electron
emitting material
dispenser cathode
porous tungsten
Prior art date
Application number
KR1019900013644A
Other languages
Korean (ko)
Other versions
KR920007415B1 (en
Inventor
장동길
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 KR1019900013644A priority Critical patent/KR920007415B1/en
Publication of KR920005211A publication Critical patent/KR920005211A/en
Application granted granted Critical
Publication of KR920007415B1 publication Critical patent/KR920007415B1/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
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode

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  • Solid Thermionic Cathode (AREA)

Abstract

내용 없음.No content.

Description

디스펜서 음극과 그 제조방법Dispenser cathode and its manufacturing method

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

제1도는 본 발명에 관련된 디스펜서음극의 개략 단면도.1 is a schematic cross-sectional view of a dispenser cathode according to the present invention.

제2도는 본 발명을 구현하는 제조방법의 공정도.2 is a process diagram of a manufacturing method for implementing the present invention.

제3도는 종래의 저장형 음극에 관한 구조를 도시하는 단면도.3 is a cross-sectional view showing a structure of a conventional storage cathode.

제4도는 종래의 함침형 음극에 관한 구조를 도시하는 단면도.4 is a cross-sectional view showing a structure of a conventional impregnated cathode.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 저장조 2,2' : 바륨계 화합물1: reservoir 2,2 ': barium compound

3,3' : 다공질 텅스텐 4 : 코오팅막3,3 ': porous tungsten 4: coating film

Claims (5)

내부에 전자방출 물질과 다공질 텅스텐이 수용된 저장조를 슬리브에 고정 부착하여 이루어진 디스펜서 음극에 있어서, 저장조의 내부에서 하측에 수용된 전자방출 물질과 그 상측을 덮는 미함침 다공질 텅스텐 사이의 접촉면에 전자방출 물질이 함침된 다공질 텅스텐이 층상으로 개재되어 있음을 특징으로 하는 디스펜서 음극.A dispenser cathode formed by fixedly attaching a reservoir containing an electron-emitting material and porous tungsten to a sleeve, wherein the electron-emitting material is formed on the contact surface between the electron-emitting material contained at the lower side of the reservoir and the unimpregnated porous tungsten covering the upper side thereof. A dispenser cathode characterized in that the impregnated porous tungsten is interposed in layers. 제1항에 있어서, 저장조에 수용되는 다공질 텅스텐의 양이 저장조 높이의 1/3-3/4로 됨을 특징으로 하는 디스펜서 음극.A dispenser cathode according to claim 1, wherein the amount of porous tungsten contained in the reservoir is 1 / 3-3 / 4 of the height of the reservoir. 제1항 또는 제2항에 있어서, 저장조에 수용되는 전자방출 물질의 양이 저장조 높이의 1/3-3/4로 됨을 특징으로 하는 디스펜서 음극.3. The dispenser cathode of claim 1 or 2, wherein the amount of electron-emitting material contained in the reservoir is 1 / 3-3 / 4 of the height of the reservoir. 저장조에 전자방출 물질을 수용하고, 그 위를 다공질 텅스텐으로 덮은 다음, 저장조의 외주면에서 용접을 행하여 전기한 다공질 텅스텐이 저장조의 내부에 고정되게 한 다음, 전기한 전자방출 물질을 용융시켜서 상측의 다공질 텅스텐으로 전자방출 물질이 함침되게 함을 특징으로 하는 디스펜서 음극의 제조방법.The electron-releasing material is accommodated in the reservoir, covered with porous tungsten on it, and welded on the outer circumferential surface of the reservoir to ensure that the electrically porous tungsten is fixed to the inside of the reservoir. A method of manufacturing a dispenser cathode, characterized in that the electron-emitting material is impregnated with tungsten. 제1항, 제2항 또는 제4항의 어느 하나에 있어서 전자방출 물질이 바륨 세라믹임을 특징으로 하는 디스펜서 음극의 제조방법.5. The method of claim 1, 2 or 4, wherein the electron-emitting material is a barium ceramic. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900013644A 1990-08-29 1990-08-29 Dispenser cathode and manufacturing method of the same KR920007415B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900013644A KR920007415B1 (en) 1990-08-29 1990-08-29 Dispenser cathode and manufacturing method of the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900013644A KR920007415B1 (en) 1990-08-29 1990-08-29 Dispenser cathode and manufacturing method of the same

Publications (2)

Publication Number Publication Date
KR920005211A true KR920005211A (en) 1992-03-28
KR920007415B1 KR920007415B1 (en) 1992-08-31

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Application Number Title Priority Date Filing Date
KR1019900013644A KR920007415B1 (en) 1990-08-29 1990-08-29 Dispenser cathode and manufacturing method of the same

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Country Link
KR (1) KR920007415B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990027593A (en) * 1997-09-30 1999-04-15 김영남 Pellet support structure of electron gun cathode
KR100473068B1 (en) * 1997-09-30 2005-07-07 오리온전기 주식회사 Cathode manufacturing method of electron gun
KR100473069B1 (en) * 1997-09-30 2005-07-07 오리온전기 주식회사 Pellet support structure of electron gun cathode

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990027593A (en) * 1997-09-30 1999-04-15 김영남 Pellet support structure of electron gun cathode
KR100473068B1 (en) * 1997-09-30 2005-07-07 오리온전기 주식회사 Cathode manufacturing method of electron gun
KR100473069B1 (en) * 1997-09-30 2005-07-07 오리온전기 주식회사 Pellet support structure of electron gun cathode

Also Published As

Publication number Publication date
KR920007415B1 (en) 1992-08-31

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