MY104888A - Manufacturing method for electrode of electron gun of cathode ray tube - Google Patents

Manufacturing method for electrode of electron gun of cathode ray tube

Info

Publication number
MY104888A
MY104888A MYPI89001775A MYPI19891775A MY104888A MY 104888 A MY104888 A MY 104888A MY PI89001775 A MYPI89001775 A MY PI89001775A MY PI19891775 A MYPI19891775 A MY PI19891775A MY 104888 A MY104888 A MY 104888A
Authority
MY
Malaysia
Prior art keywords
forming
press
electrode
manufacturing
ray tube
Prior art date
Application number
MYPI89001775A
Inventor
Ha Tae-Geun
Original Assignee
Samsung Electron Devices Co 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 Samsung Electron Devices Co Ltd filed Critical Samsung Electron Devices Co Ltd
Publication of MY104888A publication Critical patent/MY104888A/en

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Forging (AREA)

Abstract

A MANUFACTURING METHOD FOR AN ELECTRODE OF AN ELECTRON GUN OF CATHODE RAY TUBE IS DISCLOSED WHICH COMPRISES; A PRESSING STEP OF PRESS-FORMING CONICAL PROJECTIONS (C) TO BE PROVIDED WITH BEAM PASSING HOLES (H), PRESS-FORMING REINFORCING BEADS (B) AND PRESS-FORMING ANNULAR GROOVES (E) HAVING WRINKLES AROUND THE CONICAL PROJECTIONS (C); A FIRST PIERCING STEP OF PUNCH-FORMING THE BEAM PASSING HOLES (H); A PRESSING STEP OF PRESS-FORMING ANNULAR SLOPES (R); A PRESSING STEP OF PRESSING THE TOP PLANES OF THE CONICAL PROJECTIONS (C); A TRIMMING STEP; A SECOND PIERCING STEP OF PUNCHING THROUGH THE BEAM PASSING HOLES; AND A CUTTING STEP OF CUTTING OUT THE COMPLETED ELECTRODES FROM THE CONTINUOUS LINE. (FIG. 1)
MYPI89001775A 1989-01-20 1989-12-15 Manufacturing method for electrode of electron gun of cathode ray tube MY104888A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890000595A KR910004753B1 (en) 1989-01-20 1989-01-20 Manufacturing methode for electrode of crt

Publications (1)

Publication Number Publication Date
MY104888A true MY104888A (en) 1994-06-30

Family

ID=19283277

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI89001775A MY104888A (en) 1989-01-20 1989-12-15 Manufacturing method for electrode of electron gun of cathode ray tube

Country Status (4)

Country Link
KR (1) KR910004753B1 (en)
CN (1) CN1023851C (en)
GB (1) GB2227193B (en)
MY (1) MY104888A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950004400B1 (en) * 1992-12-07 1995-04-28 주식회사 금성사 Focusing electrode for electron gun and manufacturing method for the same
EP1094489A3 (en) * 1999-10-22 2006-02-08 Hitachi, Ltd. Cathode ray tube and method for manufacturing the same
CN101577202B (en) * 2008-05-09 2011-12-07 襄樊市宏盛昌电子机械有限责任公司 Electrode forming process for discharge tube and die designed for implementing same
CN113523091B (en) * 2021-06-23 2022-07-19 东风柳州汽车有限公司 7-shaped hole machining method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55154044A (en) * 1979-05-18 1980-12-01 Hitachi Ltd Electrode structure of electron gun and its manufacture

Also Published As

Publication number Publication date
KR910004753B1 (en) 1991-07-10
CN1023851C (en) 1994-02-16
GB9001301D0 (en) 1990-03-21
GB2227193B (en) 1992-09-23
CN1044363A (en) 1990-08-01
KR900012313A (en) 1990-08-03
GB2227193A (en) 1990-07-25

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