JPS54137957A - Formation method of fluorescent screen of color picture tube - Google Patents
Formation method of fluorescent screen of color picture tubeInfo
- Publication number
- JPS54137957A JPS54137957A JP4522078A JP4522078A JPS54137957A JP S54137957 A JPS54137957 A JP S54137957A JP 4522078 A JP4522078 A JP 4522078A JP 4522078 A JP4522078 A JP 4522078A JP S54137957 A JPS54137957 A JP S54137957A
- Authority
- JP
- Japan
- Prior art keywords
- coating
- coloring agent
- fluorescent screen
- center
- fluorescent
- 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
Links
Landscapes
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
Abstract
PURPOSE: To obtain a bright screen by forming a uniform-thickness metal coating in the subsequent process, by coating an internal face-plate surface with a coloring agent thickly at its center and thinly at its circumference.
CONSTITUTION: After fluorescent screen 1 is formed by applying a fluorescent- substance layer, the fluorescent screen is sprayed with a coloring agent at its center by spray gun 7. At this time, rotaton-coating is so performed that the center part will become thicker. Next, coating solution 4 is applied by rotating in the same way, and then dried by rotating. As a result, a blister caused by the coloring agent collected on the sidewall part in a rotation-drying process is prevented by applying the coloring agent in this way, and the face plate surface is heated up to a uniform temperature, so that an excellent coating can be formed.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4522078A JPS54137957A (en) | 1978-04-19 | 1978-04-19 | Formation method of fluorescent screen of color picture tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4522078A JPS54137957A (en) | 1978-04-19 | 1978-04-19 | Formation method of fluorescent screen of color picture tube |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54137957A true JPS54137957A (en) | 1979-10-26 |
Family
ID=12713175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4522078A Pending JPS54137957A (en) | 1978-04-19 | 1978-04-19 | Formation method of fluorescent screen of color picture tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54137957A (en) |
-
1978
- 1978-04-19 JP JP4522078A patent/JPS54137957A/en active Pending
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