Coating processes – Coating by vapor – gas – or smoke
Reexamination Certificate
2007-06-19
2007-06-19
Chen, Bret (Department: 1762)
Coating processes
Coating by vapor, gas, or smoke
C427S255600
Reexamination Certificate
active
10784585
ABSTRACT:
A method for vaporizing organic materials onto a substrate surface to form a film including providing a quantity of organic material into a vaporization apparatus and actively maintaining the organic material in a first heating region in the vaporization apparatus to be below the vaporization temperature. The method also includes heating a second heating region of the vaporization apparatus above the vaporization temperature of the organic material and metering, at a controlled rate, organic material from the first heating region into the second heating region so that a thin cross section of the organic material is heated at a desired rate-dependent vaporization temperature, whereby organic material vaporizes and forms a film on the substrate surface.
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Brost Randolph C.
Freeman Dennis R.
Grace Jeremy M.
Koppe Bruce E.
Long Michael
Chen Bret
Eastman Kodak Company
Owens Raymond L.
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