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Patent Searching and Data


Title:
COATING FILM FORMATION METHOD AND COATING FILM FORMATION DEVICE
Document Type and Number:
Japanese Patent JP2015112511
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a coating film formation method and a coating film formation device capable of forming continuously, stably and repeatedly a coating film having a uniform film thickness on a circular substrate by using a slit die, while maintaining a far higher coating liquid utilization rate than a spin coat method.SOLUTION: In a coating film formation method, a mask material with a thickness of 50 μm or less having a similar figure to a substrate and a smaller opening part than the substrate is placed on the substrate so that the opening part is opened only to the upside of the substrate, and after forming each film of coating liquid having approximately the same thickness on the substrate exposed to the opening part and on the mask material, the film of the coating liquid formed on the mask material is removed together with the mask material.

Inventors:
KITAMURA YOSHIYUKI
TANI YOSHINORI
ODA TAKUO
NONAKA TOSHINAKA
Application Number:
JP2013254652A
Publication Date:
June 22, 2015
Filing Date:
December 10, 2013
Export Citation:
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Assignee:
TORAY INDUSTRIES
International Classes:
B05D1/32; B05C5/02; B05C13/02; B05C21/00; B05D1/26