KR910001864B1 - Forming method of electrode for electron gun in color cathode ray tube - Google Patents

Forming method of electrode for electron gun in color cathode ray tube

Info

Publication number
KR910001864B1
KR910001864B1 KR8710061A KR870010061A KR910001864B1 KR 910001864 B1 KR910001864 B1 KR 910001864B1 KR 8710061 A KR8710061 A KR 8710061A KR 870010061 A KR870010061 A KR 870010061A KR 910001864 B1 KR910001864 B1 KR 910001864B1
Authority
KR
South Korea
Prior art keywords
electrode
ray tube
forming method
cathode ray
electron gun
Prior art date
Application number
KR8710061A
Other languages
English (en)
Inventor
Masahiro Ito
Satoru Endo
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of KR910001864B1 publication Critical patent/KR910001864B1/ko

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • H01J29/503—Three or more guns, the axes of which lay in a common plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848—Aperture shape as viewed along beam axis
    • H01J2229/4858—Aperture shape as viewed along beam axis parallelogram
    • H01J2229/4865—Aperture shape as viewed along beam axis parallelogram rectangle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848—Aperture shape as viewed along beam axis
    • H01J2229/4858—Aperture shape as viewed along beam axis parallelogram
    • H01J2229/4865—Aperture shape as viewed along beam axis parallelogram rectangle
    • H01J2229/4868—Aperture shape as viewed along beam axis parallelogram rectangle with rounded end or ends
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848—Aperture shape as viewed along beam axis
    • H01J2229/4872—Aperture shape as viewed along beam axis circular
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848—Aperture shape as viewed along beam axis
    • H01J2229/4875—Aperture shape as viewed along beam axis oval

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Welding Or Cutting Using Electron Beams (AREA)
  • Forging (AREA)
KR8710061A 1986-09-12 1987-09-11 Forming method of electrode for electron gun in color cathode ray tube KR910001864B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61213838A JPH06103621B2 (ja) 1986-09-12 1986-09-12 電子銃用電極の成形方法

Publications (1)

Publication Number Publication Date
KR910001864B1 true KR910001864B1 (en) 1991-03-28

Family

ID=16645864

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8710061A KR910001864B1 (en) 1986-09-12 1987-09-11 Forming method of electrode for electron gun in color cathode ray tube

Country Status (4)

Country Link
US (1) US4919634A (ko)
JP (1) JPH06103621B2 (ko)
KR (1) KR910001864B1 (ko)
CN (1) CN1009973B (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2710189B1 (fr) * 1993-09-17 1995-11-10 Thomson Tubes & Displays Procédé de découpe d'électrode de canon à électrons pour tubes à rayons cathodiques.
JPH09245665A (ja) * 1996-03-05 1997-09-19 Sony Corp ビーム制御電極、それを使用した電子銃、この電子銃を使用した陰極線管およびビーム制御電極の製造方法
JP2004079289A (ja) * 2002-08-13 2004-03-11 Toshiba Corp 電子銃電極、電子銃電極の製造方法、および電子銃
US6979777B2 (en) * 2003-10-15 2005-12-27 Cooper Wiring Devices, Inc. Weatherproof electrical enclosure having an adjustable-position cover

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5521832A (en) * 1978-07-31 1980-02-16 Matsushita Electronics Corp Electron gun for color picture tube
JPS55154044A (en) * 1979-05-18 1980-12-01 Hitachi Ltd Electrode structure of electron gun and its manufacture
US4645469A (en) * 1980-08-04 1987-02-24 North American Philips Consumer Electronics Corp. Beam shaping CRT electrode and method of fabricating same
JPS5816434A (ja) * 1981-07-23 1983-01-31 Toshiba Corp 電子管用電極の製造方法
JPS5848301A (ja) * 1981-09-02 1983-03-22 テイ−ア−ルダブリユ・インコ−ポレ−テツド 抵抗材料および抵抗体
JPS59157936A (ja) * 1983-02-24 1984-09-07 Mitsubishi Electric Corp インラインカラ−ブラウン管用電子銃

Also Published As

Publication number Publication date
CN87106312A (zh) 1988-03-23
JPH06103621B2 (ja) 1994-12-14
JPS6372025A (ja) 1988-04-01
US4919634A (en) 1990-04-24
CN1009973B (zh) 1990-10-10

Similar Documents

Publication Publication Date Title
GB2161983B (en) Contrast enhancement structure for color cathode ray tube
DE3664836D1 (en) Color selective electrode of cathode ray tube
HK101292A (en) Electron gun system for color cathode ray tube
EP0304922A3 (en) Color cathode ray tube
DE3465546D1 (en) A colour cathode ray tube having an in-line electron gun structure
EP0239083A3 (en) Flat shadow mask for color cathode ray tube
EP0284990A3 (en) Improvement of an electron gun assembly of a color cathode ray tube
EP0281379A3 (en) Shadow mask type color cathode ray tube
EP0251608A3 (en) Color cathode ray tube display system and electron gun therefor
GB2177627B (en) Method of producing colour selection mechanism for cathode ray tube
KR910001864B1 (en) Forming method of electrode for electron gun in color cathode ray tube
GB2228140B (en) Electron gun for cathode ray tube
GB8819715D0 (en) Colour screen structures for cathode ray tubes
DE3462968D1 (en) In-line electron gun structure for a colour cathode ray tube
KR910000923B1 (en) Color cathode ray tube having shadow mask assembly
DE3477445D1 (en) Colour cathode ray tube with an electron gun
GB8610020D0 (en) Cathode-ray tube electron gun
GB2227193B (en) Manufacturing method for electrode of electron gun of cathode ray tube
EP0223500A3 (en) Method for forming a phosphor screen of a cathode ray tube
HK189496A (en) Color cathode ray tube display system and electron gun therefor
EP0305038A3 (en) Method of annealing an aperture shadow mask for a colour cathode ray tube
EP0213876A3 (en) Multibeam electron gun for cathode-ray tube
GB2203285B (en) Methods of forming fluorescent screens for colour cathode ray tubes
GB2206728B (en) Colour cathode ray tubes
GB2156634B (en) Colour cathode ray tube apparatus

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
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: 20040302

Year of fee payment: 14

LAPS Lapse due to unpaid annual fee