JPS5473553A - Manufacture of black matrix color picture tube - Google Patents

Manufacture of black matrix color picture tube

Info

Publication number
JPS5473553A
JPS5473553A JP14067377A JP14067377A JPS5473553A JP S5473553 A JPS5473553 A JP S5473553A JP 14067377 A JP14067377 A JP 14067377A JP 14067377 A JP14067377 A JP 14067377A JP S5473553 A JPS5473553 A JP S5473553A
Authority
JP
Japan
Prior art keywords
hydrogen peroxide
exposed
exfoliation
film
resin
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
JP14067377A
Other languages
Japanese (ja)
Other versions
JPS6023461B2 (en
Inventor
Seiji Miura
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 JP14067377A priority Critical patent/JPS6023461B2/en
Publication of JPS5473553A publication Critical patent/JPS5473553A/en
Publication of JPS6023461B2 publication Critical patent/JPS6023461B2/en
Expired legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To decrease the using amount of the hydrogen peroxide as well as to increase the exfoliation force by using the mixture water solution of the hydrogen peroxide and thiourea as the exfoliation agent.
CONSTITUTION: The photosensitive resin film is formed on the panel inner surface; the resin film is exposed via the shadow mask to cure the photosensitive resin at the desired area of the fluorescent coat; and the uncured part of the resin is removed to make remain only the desired area which is exposed and cured. Then the graphite film is formed on the entire area of the exposed glass panel surface and the residual cured area of the photosensitive resin, and then the graphite film is removed only on the residual cured part of the resin via the exfoliation agent. Thus, the glass panel surface is exposed to complete the black matrix film. In this way, the using quantity of the hydrogen peroxide is reduced with increased exfoliation force by using the mixture water solution of the hydrogen peroxide and thiourea as the exfoliation agent.
COPYRIGHT: (C)1979,JPO&Japio
JP14067377A 1977-11-25 1977-11-25 Black matrix color picture tube manufacturing method Expired JPS6023461B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14067377A JPS6023461B2 (en) 1977-11-25 1977-11-25 Black matrix color picture tube manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14067377A JPS6023461B2 (en) 1977-11-25 1977-11-25 Black matrix color picture tube manufacturing method

Publications (2)

Publication Number Publication Date
JPS5473553A true JPS5473553A (en) 1979-06-12
JPS6023461B2 JPS6023461B2 (en) 1985-06-07

Family

ID=15274089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14067377A Expired JPS6023461B2 (en) 1977-11-25 1977-11-25 Black matrix color picture tube manufacturing method

Country Status (1)

Country Link
JP (1) JPS6023461B2 (en)

Also Published As

Publication number Publication date
JPS6023461B2 (en) 1985-06-07

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