Fabrication of embossed diffractive optics with reusable release

Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Optical fiber – waveguide – or preform

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264 127, 264 131, 264 138, 264338, 425175, 427133, 4271632, 427167, B29D 1100

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active

058611134

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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