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JPS51142269A - Method of manufacturing shadow-mask material - Google Patents

Method of manufacturing shadow-mask material

Info

Publication number
JPS51142269A
JPS51142269A JP6609275A JP6609275A JPS51142269A JP S51142269 A JPS51142269 A JP S51142269A JP 6609275 A JP6609275 A JP 6609275A JP 6609275 A JP6609275 A JP 6609275A JP S51142269 A JPS51142269 A JP S51142269A
Authority
JP
Japan
Prior art keywords
mask material
manufacturing
manufacturing shadow
shadow
dimensions
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
JP6609275A
Other languages
Japanese (ja)
Inventor
Noboru Soya
Masahiro Shimose
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.)
NITSUSHIN SEIKOU KK
Nippon Steel Nisshin Co Ltd
Original Assignee
NITSUSHIN SEIKOU KK
Nisshin Steel 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 NITSUSHIN SEIKOU KK, Nisshin Steel Co Ltd filed Critical NITSUSHIN SEIKOU KK
Priority to JP6609275A priority Critical patent/JPS51142269A/en
Publication of JPS51142269A publication Critical patent/JPS51142269A/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
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
    • H01J9/142—Manufacture of electrodes or electrode systems of non-emitting electrodes of shadow-masks for colour television tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

PURPOSE:A method of manufacturing a shadow mask wherein the shape and accuracy in dimensions of holes are excellent, extension in a press forming is uniform, and correct curvature is obtained.
JP6609275A 1975-06-03 1975-06-03 Method of manufacturing shadow-mask material Pending JPS51142269A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6609275A JPS51142269A (en) 1975-06-03 1975-06-03 Method of manufacturing shadow-mask material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6609275A JPS51142269A (en) 1975-06-03 1975-06-03 Method of manufacturing shadow-mask material

Publications (1)

Publication Number Publication Date
JPS51142269A true JPS51142269A (en) 1976-12-07

Family

ID=13305865

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6609275A Pending JPS51142269A (en) 1975-06-03 1975-06-03 Method of manufacturing shadow-mask material

Country Status (1)

Country Link
JP (1) JPS51142269A (en)

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