Method for manufacturing coated sheet, optical functional...

Details Method for manufacturing coated sheet, optical functional... Method for manufacturing coated sheet, optical functional...

2007-07-17

2007-07-17

Bashore, Alain L. (Department: 1762)

Coating processes

Optical element produced

C427S166000, C427S167000, C349S123000, C349S124000, C034S448000, C034S451000

Reexamination Certificate

active

10660758

ABSTRACT:
A method for manufacturing a coated sheet that may form a coated layer having a uniform film thickness by a coating liquid even when a substrate has a large area. A method for manufacturing a coated sheet to form a coated layer by a process including a process (1) for coating a coating liquid including a resin material and a solvent on a substrate, and a drying process (2) for drying a coated liquid, wherein a value L obtained in drying process (2) satisfies a following relationship;L=∫0T⁢σ⁡[mN/m]×(h⁡[m])3η⁡[mPa·sec]⁢⁢ⅆt>1.9×10-13⁡[m4/sec](where: T: total period of drying process [sec]; σ: surface tension of coated liquid [mN/m]; h: thickness of coated liquid [m]; and η: viscosity of coated liquid [mPa·sec]).

REFERENCES:
patent: 5881476 (1999-03-01), Strobush et al.
patent: 5968708 (1999-10-01), Yashiro et al.
patent: 2004/0022962 (2004-02-01), Shibue et al.
patent: 8-240713 (1996-09-01), None
patent: 9-73016 (1997-03-01), None

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