Method for manufacturing cholesteric liquid crystal...

Details Method for manufacturing cholesteric liquid crystal... Method for manufacturing cholesteric liquid crystal...

2008-04-15

2008-04-15

McPherson, John A. (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

Liquid crystal process, composition, or product

C430S321000, C349S012000

Reexamination Certificate

active

11044902

ABSTRACT:
A method for manufacturing a reflective coding plate is provided. The method includes steps of providing a first substrate, forming a mixture layer on the first substrate, providing a second substrate on the mixture layer and thereby a sandwich structure is formed, performing an orientation process on the sandwich structure, providing a mask having a code pattern thereon on one side of the sandwich structure, exposing the side of the sandwich structure to a UV light, removing the second substrate, and removing an unreacted part of the mixture layer.

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patent: 2004/0234901 (2004-11-01), Lee
patent: 1 302 789 (2007-04-01), None

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