JPS5767256A - Electron tube - Google Patents

Electron tube

Info

Publication number
JPS5767256A
JPS5767256A JP14211880A JP14211880A JPS5767256A JP S5767256 A JPS5767256 A JP S5767256A JP 14211880 A JP14211880 A JP 14211880A JP 14211880 A JP14211880 A JP 14211880A JP S5767256 A JPS5767256 A JP S5767256A
Authority
JP
Japan
Prior art keywords
glass
stem
tube
neck
ray
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.)
Pending
Application number
JP14211880A
Other languages
Japanese (ja)
Inventor
Hiromitsu Kawamura
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.)
Hitachi Ltd
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
Priority to JP14211880A priority Critical patent/JPS5767256A/en
Publication of JPS5767256A publication Critical patent/JPS5767256A/en
Pending 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
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/26—Sealing together parts of vessels
    • H01J9/263—Sealing together parts of vessels specially adapted for cathode-ray tubes

Landscapes

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

Abstract

PURPOSE:To enable the sealing at a low temperature, by using an infrared-ray absorbing glass for the welding part of a stem to be sealed into a neck-tube such as a cathode-ray tube or the like and by using a general lead glass for the other parts. CONSTITUTION:When a neck-tube 6 at the lower end of a bulb 5 of a cathode-ray tube or the like is welded with a stem 1 which supports a leading wire 8 to be connected to an electron gun or an electron accelerating part 4, the stem 1 is devided into two parts namely external periphery 1A and internal periphery 1B, where the external periphery 1A to be welded to the neck part 6 shall be made of the infrared ray-absorbing glass or the glass containing 35-80% of PbO, while the glass of the internal periphery 1B shall be made of the general glass containing 30% or so of PbO. Accordingly, even a weak caloric force can perform a prompt welding, thus the oxidation of the leading wires 2 and 8 and the electron gun 3 can be minimized, and the reliability can be also enhanced.
JP14211880A 1980-10-13 1980-10-13 Electron tube Pending JPS5767256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14211880A JPS5767256A (en) 1980-10-13 1980-10-13 Electron tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14211880A JPS5767256A (en) 1980-10-13 1980-10-13 Electron tube

Publications (1)

Publication Number Publication Date
JPS5767256A true JPS5767256A (en) 1982-04-23

Family

ID=15307816

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14211880A Pending JPS5767256A (en) 1980-10-13 1980-10-13 Electron tube

Country Status (1)

Country Link
JP (1) JPS5767256A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1306541C (en) * 2004-01-08 2007-03-21 彩虹集团电子股份有限公司 Preparation technology of three section guiding wire for making electron gun

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1306541C (en) * 2004-01-08 2007-03-21 彩虹集团电子股份有限公司 Preparation technology of three section guiding wire for making electron gun

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