JPS57101319A - Metalback film forming method for cathode ray tube - Google Patents

Metalback film forming method for cathode ray tube

Info

Publication number
JPS57101319A
JPS57101319A JP17756780A JP17756780A JPS57101319A JP S57101319 A JPS57101319 A JP S57101319A JP 17756780 A JP17756780 A JP 17756780A JP 17756780 A JP17756780 A JP 17756780A JP S57101319 A JPS57101319 A JP S57101319A
Authority
JP
Japan
Prior art keywords
metalback
film
facing
inner face
thermal decomposition
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
JP17756780A
Other languages
Japanese (ja)
Inventor
Katsumi Terada
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.)
Sanyo Electric Co Ltd
Sanyo Denki Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Sanyo Denki 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 Sanyo Electric Co Ltd, Sanyo Denki Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP17756780A priority Critical patent/JPS57101319A/en
Publication of JPS57101319A publication Critical patent/JPS57101319A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/30—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines
    • H01J29/32—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines with adjacent dots or lines of different luminescent material, e.g. for colour television
    • H01J29/327—Black matrix materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/28—Luminescent screens with protective, conductive or reflective layers

Landscapes

  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)

Abstract

PURPOSE:To eliminate the blister of a metalback by forming a thermal decomposition organic film having low hardness while facing the inner face of a faceplate upward when forming the thermal decomposition film having high hardness while facing the inner face downward. CONSTITUTION:A faceplate 1 formed with a black guard band and a phosphor material film is set on a rotary supporter 7 while facing the inner face upward, then a thermal decomposition organic material 8 having low hardness is injected while rotating and dried to form the first intermediate film. Here the intermediate film is formed only slightly at the corner of the faceplate. Thereafter it is supported while facing the inner face downward and the thermal decomposition organic material having high hardness is blown while rotating and dried to form the second intermediate coating. Then a metalback layer is formed on it and baked. Consequently the blister liable to occur in the intermediate double coating method at the corner can be eliminated.
JP17756780A 1980-12-15 1980-12-15 Metalback film forming method for cathode ray tube Pending JPS57101319A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17756780A JPS57101319A (en) 1980-12-15 1980-12-15 Metalback film forming method for cathode ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17756780A JPS57101319A (en) 1980-12-15 1980-12-15 Metalback film forming method for cathode ray tube

Publications (1)

Publication Number Publication Date
JPS57101319A true JPS57101319A (en) 1982-06-23

Family

ID=16033218

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17756780A Pending JPS57101319A (en) 1980-12-15 1980-12-15 Metalback film forming method for cathode ray tube

Country Status (1)

Country Link
JP (1) JPS57101319A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4954200A (en) * 1987-11-10 1990-09-04 The General Electric Company Method of making drill back-up material for small bore drilling of circuit boards

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4954200A (en) * 1987-11-10 1990-09-04 The General Electric Company Method of making drill back-up material for small bore drilling of circuit boards

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