JPS5615531A - Coating of fluorescent slurry - Google Patents
Coating of fluorescent slurryInfo
- Publication number
- JPS5615531A JPS5615531A JP9079279A JP9079279A JPS5615531A JP S5615531 A JPS5615531 A JP S5615531A JP 9079279 A JP9079279 A JP 9079279A JP 9079279 A JP9079279 A JP 9079279A JP S5615531 A JPS5615531 A JP S5615531A
- Authority
- JP
- Japan
- Prior art keywords
- slurry
- liquid level
- fluorescent
- little
- tank
- 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
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
- H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
- H01J9/22—Applying luminescent coatings
- H01J9/221—Applying luminescent coatings in continuous layers
- H01J9/223—Applying luminescent coatings in continuous layers by uniformly dispersing of liquid
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
Abstract
PURPOSE:To suppress the variation in the specific gravity of a slurry and prevent the falling of a fluorescent layer by supplying intermittently little by little a supplementary slurry to a slurry tank for injection during a period that a liquid level controller reaches the control level of the liquid level. CONSTITUTION:The fluorescent slurry 6 to be injected in a given amount into the glass panel 1 is supplied through the electromagnetic valve 7 from the slurry injection tank 5 equipped with the stirring device 4. Also, in the slurry tan 5 fitted with the liquid level controller 16, the slurry is supplied from the supplementary slurry tank 19 as the liquid level falls but intermittently little by little by the operation of the electromagnetic valve 22 for supplementation by an electrical circuit including a timer, etc., until the slurry reaches the control level of the liquid level. Thus, the variation in the specific gravity of the fluorescent slurry can be controlled to a minimum and thereby the adhesion of it to the fluorescent screen can be increased, thus preventing the falling of the fluorescent layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9079279A JPS5615531A (en) | 1979-07-16 | 1979-07-16 | Coating of fluorescent slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9079279A JPS5615531A (en) | 1979-07-16 | 1979-07-16 | Coating of fluorescent slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5615531A true JPS5615531A (en) | 1981-02-14 |
Family
ID=14008428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9079279A Pending JPS5615531A (en) | 1979-07-16 | 1979-07-16 | Coating of fluorescent slurry |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5615531A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5354965A (en) * | 1976-10-29 | 1978-05-18 | Hitachi Ltd | Fluorescent screen application device for color piture tube |
| JPS5498566A (en) * | 1978-01-23 | 1979-08-03 | Hitachi Ltd | Fluorescent screen coating unit for color receiving tube |
-
1979
- 1979-07-16 JP JP9079279A patent/JPS5615531A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5354965A (en) * | 1976-10-29 | 1978-05-18 | Hitachi Ltd | Fluorescent screen application device for color piture tube |
| JPS5498566A (en) * | 1978-01-23 | 1979-08-03 | Hitachi Ltd | Fluorescent screen coating unit for color receiving tube |
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