Acrylic films prepared by coating methods

Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – With microwave gas energizing means

Reexamination Certificate

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C427S162000, C427S177000, C427S372200

Reexamination Certificate

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07048823

ABSTRACT:
A method of film fabrication is taught that uses a coating and drying apparatus to fabricate resin films suitable for optical applications. In particular, acrylic films are prepared by simultaneous application of multiple liquid layers to a moving carrier substrate. After solvent removal, the acrylic films are peeled from the sacrificial carrier substrate. Acrylic films prepared by the current invention exhibit good clarity and low birefringence.

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