Fabrication of embossed diffractive optics with reusable release agent
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United States of America Patent
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Jun 12, 2001
Grant Date -
N/A
app pub date -
Aug 21, 1998
filing date -
Aug 1, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for producing a plastic material containing a diffractive optic pattern therein including embossing a curable plastic material with a diffractive optic pattern by pressing the curable plastic material against a master having a diffractive optic pattern thereon which is coated with a thin layer of a fluorinated silane, having at least one fluorinated alkyl group bonded to an Si atom and at least one alkoxy or halide group bonded to an Si atom, as a release layer. Also, the master coated with the fluorinated silane and cured plastic, particularly epoxy resins, containing diffractive gratings prepared by the method, preferably on a substrate, such as a waveguide.
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