Roll coating device for forming a thin film of uniform thickness

Details Roll coating device for forming a thin film of uniform thickness Roll coating device for forming a thin film of uniform thickness

1996-03-25

1998-05-26

Griffin, Steven P.

Coating apparatus

Solid member or material acting on coating after application

Rotary member

118120, 118244, 118258, 118259, 118261, 118262, 118248, B05C 102, B05C 108

Patent

active

057558833

ABSTRACT:
A roll coater for forming a film of uniform thickness on a substrate W includes a bottom plate 6 for transporting the substrate W in a predetermined direction F, a coating rubber roll 4 for transferring a coating liquid Q adhering to the outer circumferential face onto the substrate W, and an ink supplying device for supplying ink to the outer circumferential face of the roll 4. The ink supplying device includes a roll 1 for transferring the coating liquid Q adhering to the outer circumferential face thereof to the outer circumferential surface of a roll 4, metal doctor 2 for supplying a coated film of a coating liquid Q of uniform thickness, and a coating liquid reservoir 3 for storing coating liquid Q. A scraper 7 for scraping the remaining coating liquid Q on the outer circumferential face of the metal roll 1 is provided downstream of the roll 4 and upstream of the coating liquid reservoir 3.

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