JPS5767260A - Production of cathode-ray tube - Google Patents

Production of cathode-ray tube

Info

Publication number
JPS5767260A
JPS5767260A JP14246280A JP14246280A JPS5767260A JP S5767260 A JPS5767260 A JP S5767260A JP 14246280 A JP14246280 A JP 14246280A JP 14246280 A JP14246280 A JP 14246280A JP S5767260 A JPS5767260 A JP S5767260A
Authority
JP
Japan
Prior art keywords
gas
cathode
getter
flash
ray tube
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP14246280A
Other languages
Japanese (ja)
Other versions
JPH024093B2 (en
Inventor
Yoshio Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP14246280A priority Critical patent/JPS5767260A/en
Publication of JPS5767260A publication Critical patent/JPS5767260A/en
Publication of JPH024093B2 publication Critical patent/JPH024093B2/ja
Granted legal-status Critical Current

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
    • H01J9/38—Exhausting, degassing, filling, or cleaning vessels

Landscapes

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

Abstract

PURPOSE:To decrease the amount of absorbed gas and thereby to enhance the tube characteristics, by performing a chip off then a getter flash, next by conducting a thermal decomposition treatment of a cathode structure when a cathode-ray tube is subjected to baking and gas-exhausting. CONSTITUTION:After a panel 1 and a funnel 3 are welded together, a conductive film 5 is formed at the fixed position on the internal wall, then a mount structure 9 is enclosed. After exhausted by a vacuum pump, the bulb is backed at about 350-450 deg.C. Next, the mount structure 9 is high-frequency heated, exhausted, and subjected to chip-off process by heating a exhaust slender pipe 10. Next, the getter 11 is made to flash, then the thermal decomposition treatment is carried out by feeding a current to electrifying heat the heater of a cathode structure 6. Consequently, the gas which is absorbed in the cathode structure 6 is discharged and adsorbed by the getter-flash film. Thus, the re-adsorption of the gas can be eliminated and thereby the tube characteristics can be enhanced.
JP14246280A 1980-10-14 1980-10-14 Production of cathode-ray tube Granted JPS5767260A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14246280A JPS5767260A (en) 1980-10-14 1980-10-14 Production of cathode-ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14246280A JPS5767260A (en) 1980-10-14 1980-10-14 Production of cathode-ray tube

Publications (2)

Publication Number Publication Date
JPS5767260A true JPS5767260A (en) 1982-04-23
JPH024093B2 JPH024093B2 (en) 1990-01-26

Family

ID=15315872

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14246280A Granted JPS5767260A (en) 1980-10-14 1980-10-14 Production of cathode-ray tube

Country Status (1)

Country Link
JP (1) JPS5767260A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63301447A (en) * 1987-05-29 1988-12-08 Nec Kansai Ltd Manufacture of electron tube
US6565401B1 (en) 1999-07-21 2003-05-20 Mitsubishi Denki Kabushiki Kaisha Cathode ray tube manufacturing method and cathode ray tube manufacturing system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0484889U (en) * 1990-11-30 1992-07-23

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63301447A (en) * 1987-05-29 1988-12-08 Nec Kansai Ltd Manufacture of electron tube
US6565401B1 (en) 1999-07-21 2003-05-20 Mitsubishi Denki Kabushiki Kaisha Cathode ray tube manufacturing method and cathode ray tube manufacturing system

Also Published As

Publication number Publication date
JPH024093B2 (en) 1990-01-26

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