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Method for coating substrate with coating

A technology for substrates and coatings, applied in coatings, devices for coating liquids on surfaces, measuring devices, etc., can solve the problems that cannot be said to provide methods for effectively controlling the formation of coatings, and achieve the effect of quality control

Active Publication Date: 2008-07-30
CHUGAI RO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although a means of adjusting the gap between the flanges is provided on the device itself, the method cannot be said to provide an effective means of controlling coating formation

Method used

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  • Method for coating substrate with coating
  • Method for coating substrate with coating
  • Method for coating substrate with coating

Examples

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Embodiment Construction

[0028] A detailed description of preferred embodiments of the present invention is provided below with reference to the accompanying drawings. The present invention is a method of applying a coating to a substrate, wherein, as shown in FIG. The liquid medium L is applied to the substrates 1S (sample for test coating) and 1P (product) located on the stage 2 . In this method, distance sensors 6 a - 6 c installed before processing are used to measure the distance between the surface LS of the coating on the substrate 1S and the nozzle 4 . To start the process, the test substrate 1S is placed on the table 2 and the test liner is tentatively coated by the nozzle 4 while the nozzle holder 5 is moving on the table 2 in a forward direction relative to the table 2. Bottom 1S. Then, the distance sensors 6a-6c perform a measuring operation while the nozzle holder 5 is moved in the backward direction relative to the table 2. Then, in order to obtain the desired coating surface LS, the ...

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Abstract

The invention relates to a method of applying a coating to a substrate wherein the coating surface of a sprayed liquid medium onto a substrate by a spray nozzle may be effectively controlled, the formation of the thickness of the coating formed by the liquid medium may be effectively controlled, and the quality control of the coating may be maintained with high production efficiency. The method invention has an operational sequence as follows. A distance sensor 6a to 6c is firstly installed as means of measuring the distance between a media layer surface LS formed on a substrate 1S, 1P and a spray nozzle 4. A test substrate 1S is placed on a table 2 and test coated by liquid media sprayed from the spray nozzle during a forward traverse of a nozzle holder 5 relative to the table. A measuring operation is executed by the distance sensor during a rearward traverse of the nozzle holder relative to the table. A nozzle positioner 3a to 3c is actuated based on the results of the measuring operation executed by the distance sensor as means of setting the spray nozzle position which forms a desired coating. The liquid media L is applied to a substrate 1P.

Description

technical field [0001] The present invention relates to a method of applying a coating to a substrate, wherein the coating surface of a liquid medium sprayed on the substrate through a nozzle can be effectively controlled, the thickness of the coating formed by the liquid medium can be effectively controlled Form, and maintain coating quality control with high productivity. Background technique [0002] The technology involved in applying high-quality coatings to plasma display panels and the like requires a method that can be interpreted as managing the application of panel coatings. This technique is described in References 1 to 3 noted in this application. Reference 1 is a Japanese unexamined patent publication titled "Coating Apparatus, Coating Method, Apparatus for Preparing Color Filters and Preparation thereof", which describes a high-speed uniform coating of glass substrates A method that is applicable to large-sized glass substrates and can maintain a uniform gap ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05C5/02B05C9/08B05C11/00
CPCB05C11/1002B05C11/1018B05D1/26B05D3/00G01B21/16
Inventor 上田修一郎神户寿夫
Owner CHUGAI RO CO LTD
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