JPS5583125A - Manufacturing method of shadow mask - Google Patents

Manufacturing method of shadow mask

Info

Publication number
JPS5583125A
JPS5583125A JP15651278A JP15651278A JPS5583125A JP S5583125 A JPS5583125 A JP S5583125A JP 15651278 A JP15651278 A JP 15651278A JP 15651278 A JP15651278 A JP 15651278A JP S5583125 A JPS5583125 A JP S5583125A
Authority
JP
Japan
Prior art keywords
shadow mask
electron beam
press work
curvature
considering
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
JP15651278A
Other languages
Japanese (ja)
Other versions
JPS6254228B2 (en
Inventor
Fusakichi Kido
Yasuhisa Otake
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 JP15651278A priority Critical patent/JPS5583125A/en
Publication of JPS5583125A publication Critical patent/JPS5583125A/en
Publication of JPS6254228B2 publication Critical patent/JPS6254228B2/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
    • H01J9/14—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)
  • Electrodes For Cathode-Ray Tubes (AREA)

Abstract

PURPOSE:To obtain a fluorescent face having uniform brightness by determining the shift between large and small rectangular patterns while considering the inclining angle due to the curvature of shadow mask after press work and the incident angle of electron beam. CONSTITUTION:After forming photo-sensitive films 22, 23 on both faces of shadow mask material 21, original negative plate 25 for small rectangular printing pattern and original negative plate 27 for large rectangular pattern are located while shifting the centers of said patterned sections 24, 26, then printing, optical hardening and etching are performed to form rectangular opening 27. Said shift is determined while considering the inclined angle due to the curvature of shadow mask after press work and the incident angle of electron beam. Since the electron beam never impinges against the side wall of opening after press work, missing of beam never occurs thereby the deterioration of brightness at peripheral section can be prevented.
JP15651278A 1978-12-20 1978-12-20 Manufacturing method of shadow mask Granted JPS5583125A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15651278A JPS5583125A (en) 1978-12-20 1978-12-20 Manufacturing method of shadow mask

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15651278A JPS5583125A (en) 1978-12-20 1978-12-20 Manufacturing method of shadow mask

Publications (2)

Publication Number Publication Date
JPS5583125A true JPS5583125A (en) 1980-06-23
JPS6254228B2 JPS6254228B2 (en) 1987-11-13

Family

ID=15629384

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15651278A Granted JPS5583125A (en) 1978-12-20 1978-12-20 Manufacturing method of shadow mask

Country Status (1)

Country Link
JP (1) JPS5583125A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0684261A2 (en) 1994-05-27 1995-11-29 Nippon Shokubai Co., Ltd. Emulsion polymerisation inhibitor and suspension polymerisation method using the agent

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5024060U (en) * 1973-06-27 1975-03-18
JPS50142160A (en) * 1974-05-02 1975-11-15
JPS5129081A (en) * 1974-09-06 1976-03-11 Hitachi Ltd KARAAJUZOKAN
JPS52116155U (en) * 1976-02-28 1977-09-03
JPS5310961A (en) * 1976-07-19 1978-01-31 Hitachi Ltd Color picture tube
JPS5625254U (en) * 1970-08-11 1981-03-07

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53110909A (en) * 1977-03-10 1978-09-28 Oriental Engineering Co Control method of furnace atomosphere

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5625254U (en) * 1970-08-11 1981-03-07
JPS5024060U (en) * 1973-06-27 1975-03-18
JPS50142160A (en) * 1974-05-02 1975-11-15
JPS5129081A (en) * 1974-09-06 1976-03-11 Hitachi Ltd KARAAJUZOKAN
JPS52116155U (en) * 1976-02-28 1977-09-03
JPS5310961A (en) * 1976-07-19 1978-01-31 Hitachi Ltd Color picture tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0684261A2 (en) 1994-05-27 1995-11-29 Nippon Shokubai Co., Ltd. Emulsion polymerisation inhibitor and suspension polymerisation method using the agent

Also Published As

Publication number Publication date
JPS6254228B2 (en) 1987-11-13

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