COATING DEVICE, COATING METHOD, AND MANUFACTURING METHOD OF PLASMA DISPLAY PANEL
PROBLEM TO BE SOLVED: To provide a coating device capable of stably discharging coating liquid for long time. SOLUTION: On a process of forming a crystalline MgO layer of the PDP, a cooling device 511A, cooling the coating liquid 501 so that the temperature thereof becomes lower than boiling point o...
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| creator | SANO JUNICHI GOTO TEIKO |
| description | PROBLEM TO BE SOLVED: To provide a coating device capable of stably discharging coating liquid for long time. SOLUTION: On a process of forming a crystalline MgO layer of the PDP, a cooling device 511A, cooling the coating liquid 501 so that the temperature thereof becomes lower than boiling point of solvent by 30°C or more, is arranged on a coating liquid tank 511 storing coating liquid 501 prepared by dispersing MgO powder in the solvent by a sprat method. A layer of powdered-MgO crystal, to be turned into the crystalline MgO layer by baking, is formed by discharging the stored coating liquid 501 by a spray gun 514. The temperature of the flowing coating liquid 501 is kept lower than the boiling point of the solvent by 30°C until it is discharged. By the above, such a phenomenon that the MgO powder becomes easy to coagulate or separate in accordance with the increase of temperature can be prevented by a simple constitution, and an appropriate coating with stable discharging quantity can be performed. COPYRIGHT: (C)2007,JPO&INPIT |
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| subjects | APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BASIC ELECTRIC ELEMENTS ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL TRANSPORTING |
| title | COATING DEVICE, COATING METHOD, AND MANUFACTURING METHOD OF PLASMA DISPLAY PANEL |
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