Patent ID: 9199420
Filing Date: 2015-12-01
Classification: B29D,G02B,G02F,Y10T

Abstract:
1. A method of making a film having surface relief features, comprising: providing a first substrate having a first surface, wherein the first substrate is composed of a water-soluble solid material; providing a second substrate having a first surface, wherein the second substrate is composed of a solid material and the first surface of the second substrate comprises one or more relief structures; providing a curable liquid material; disposing the curable liquid material between the first surface of the first substrate and the first surface of the second substrate, wherein the first surface of the first substrate and the first surface of the second substrate are adjacent to each other; curing the curable liquid material to form a polymeric film between the first surface of the first substrate and the first surface of the second substrate; removing the first substrate from the polymeric film; and incorporating the polymeric film into an electro-active system disposed on a lens or a lens blank, wherein: