JPS5624741A - Electrode for electron gun and its machining method - Google Patents

Electrode for electron gun and its machining method

Info

Publication number
JPS5624741A
JPS5624741A JP9873479A JP9873479A JPS5624741A JP S5624741 A JPS5624741 A JP S5624741A JP 9873479 A JP9873479 A JP 9873479A JP 9873479 A JP9873479 A JP 9873479A JP S5624741 A JPS5624741 A JP S5624741A
Authority
JP
Japan
Prior art keywords
cylinders
electrode
height
lens
assemblies
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
JP9873479A
Other languages
Japanese (ja)
Other versions
JPH0121583B2 (en
Inventor
Minoru Yabe
Masaaki Yamauchi
Ikuya Takahara
Satoru Endo
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 JP9873479A priority Critical patent/JPS5624741A/en
Publication of JPS5624741A publication Critical patent/JPS5624741A/en
Publication of JPH0121583B2 publication Critical patent/JPH0121583B2/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
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/18—Assembling together the component parts of electrode systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)

Abstract

PURPOSE:To reduce the number of parts and assemblies and improve precision by integrally molding a lens whose inside diameter is a specific factor of the height of the cylinder in an electrode in which a principal lens consists of three cylinders. CONSTITUTION:The open ends of two differently draw-formed cups 21 are combined with each other and lenses 24a, 24b, and 24c with three cylinders 23a, 23b, and 23c are integrally formed approximately along a straight line from a planer material on the bottom of these cups 21. The three cylinders 23a-23c are integrally molded so that their height (h) can simultaneously satisfy 0.5<=h/d<=0.7 (d: their inside diameter). This permits an integral molding of each lens with its cylinder having a sufficient height. It can also reduce the number of parts and assemblies and improved precision.
JP9873479A 1979-08-03 1979-08-03 Electrode for electron gun and its machining method Granted JPS5624741A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9873479A JPS5624741A (en) 1979-08-03 1979-08-03 Electrode for electron gun and its machining method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9873479A JPS5624741A (en) 1979-08-03 1979-08-03 Electrode for electron gun and its machining method

Publications (2)

Publication Number Publication Date
JPS5624741A true JPS5624741A (en) 1981-03-09
JPH0121583B2 JPH0121583B2 (en) 1989-04-21

Family

ID=14227733

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9873479A Granted JPS5624741A (en) 1979-08-03 1979-08-03 Electrode for electron gun and its machining method

Country Status (1)

Country Link
JP (1) JPS5624741A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58128627A (en) * 1982-01-27 1983-08-01 Toshiba Corp Manufacturing method of electrode for electron gun

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58128627A (en) * 1982-01-27 1983-08-01 Toshiba Corp Manufacturing method of electrode for electron gun
JPH0519249B2 (en) * 1982-01-27 1993-03-16 Tokyo Shibaura Electric Co

Also Published As

Publication number Publication date
JPH0121583B2 (en) 1989-04-21

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