Patent ID: 9519084
Filing Date: 2016-12-13
CPC Classification: B29C,B29D,B29L,B32B,G02B,G06F

Claim Text:
1. A method comprising: securing a diffractive element to a portion of a surface of a portion of a molding structure; assembling the portion of the molding structure and an additional portion of the molding structure to form an assembled mold, the assembled mold having a first specified distance between a surface of the diffractive element and an inner surface of the additional portion of the molding structure and having a second specified distance between the surface of the diffractive element and an inner surface of the portion of the molding structure along an exterior portion of the diffractive element; and inserting a casting material into the assembled mold to form a layer filling the first specified distance between the surface of the diffractive element and the inner surface of the additional portion of the molding structure and another layer filling the second specified distance between the exterior portion of the surface of the diffractive element and the inner surface of the portion of the molding structure.