KR890002946A - Heater of electron gun for cathode ray tube - Google Patents

Heater of electron gun for cathode ray tube Download PDF

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Publication number
KR890002946A
KR890002946A KR1019870008294A KR870008294A KR890002946A KR 890002946 A KR890002946 A KR 890002946A KR 1019870008294 A KR1019870008294 A KR 1019870008294A KR 870008294 A KR870008294 A KR 870008294A KR 890002946 A KR890002946 A KR 890002946A
Authority
KR
South Korea
Prior art keywords
ray tube
cathode ray
electron gun
heater
heating wire
Prior art date
Application number
KR1019870008294A
Other languages
Korean (ko)
Other versions
KR900003176B1 (en
Inventor
박공석
Original Assignee
주식회사 금성사
최근선
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 주식회사 금성사, 최근선 filed Critical 주식회사 금성사
Priority to KR1019870008294A priority Critical patent/KR900003176B1/en
Publication of KR890002946A publication Critical patent/KR890002946A/en
Application granted granted Critical
Publication of KR900003176B1 publication Critical patent/KR900003176B1/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
    • H01J1/22—Heaters

Landscapes

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

Abstract

내용 없음No content

Description

음극선관용 전자총의 히터Heater of electron gun for cathode ray tube

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

제 6 도는 본 발명의 싱글 코일 감김상태를 보인 설명도. 제 7 도는 본 발명의 히터 사용시 음극의 온도변화 보인 그래프. 제 8 도는 본 발명의 히터의 사용수면 그래프.6 is an explanatory view showing a single coil wound state of the present invention. 7 is a graph showing the temperature change of the cathode when using the heater of the present invention. 8 is a graph of the sleep surface of the heater of the present invention.

Claims (1)

맨드릴선(14)선에 열선(15)을 감아 발열부(12) 및 전원 입력부(13)를 형성한 음극선관용 전자총에 있어서, 상기 열선(15)을 2.5-3.5의 레늄 및 96.5-97.5%의 텅스텐으로 된 합금으로 제작하고, 발열부(12)의 열선(15)의 감김회수는 160-200회/cm로 하여 선간피치가 열선(15)의 직경의 110-120%가 되게 함을 특징으로 하는 음극선관용 전자총의 히터.In a cathode ray tube electron gun in which a heating wire 15 is wound around a mandrel wire 14 to form a heat generating unit 12 and a power input unit 13, the heating wire 15 is formed of 2.5-3.5 rhenium and 96.5-97.5%. It is made of an alloy of tungsten, and the number of turns of the heating wire 15 of the heat generating portion 12 is 160-200 times / cm, so that the line pitch is 110-120% of the diameter of the heating wire 15. Heater of electron gun for cathode ray tube. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870008294A 1987-07-29 1987-07-29 Electron gun heater in cathode ray tube KR900003176B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870008294A KR900003176B1 (en) 1987-07-29 1987-07-29 Electron gun heater in cathode ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870008294A KR900003176B1 (en) 1987-07-29 1987-07-29 Electron gun heater in cathode ray tube

Publications (2)

Publication Number Publication Date
KR890002946A true KR890002946A (en) 1989-04-11
KR900003176B1 KR900003176B1 (en) 1990-05-09

Family

ID=19263409

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870008294A KR900003176B1 (en) 1987-07-29 1987-07-29 Electron gun heater in cathode ray tube

Country Status (1)

Country Link
KR (1) KR900003176B1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100332615B1 (en) * 1993-11-05 2002-11-16 라이온 가부시키가이샤 Oral Gel Composition
US6492768B1 (en) 1998-06-05 2002-12-10 Hitachi, Ltd. Cathode ray tube having an improved indirectly heated cathode
US6614147B2 (en) 2000-01-11 2003-09-02 Hitachi, Ltd. Cathode ray tube having an improved indirectly heated cathode structure
KR20030089047A (en) * 2002-05-16 2003-11-21 주식회사 엘지생활건강 Composition for enhancing oral health

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100332615B1 (en) * 1993-11-05 2002-11-16 라이온 가부시키가이샤 Oral Gel Composition
US6492768B1 (en) 1998-06-05 2002-12-10 Hitachi, Ltd. Cathode ray tube having an improved indirectly heated cathode
US6614147B2 (en) 2000-01-11 2003-09-02 Hitachi, Ltd. Cathode ray tube having an improved indirectly heated cathode structure
KR20030089047A (en) * 2002-05-16 2003-11-21 주식회사 엘지생활건강 Composition for enhancing oral health

Also Published As

Publication number Publication date
KR900003176B1 (en) 1990-05-09

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