Patent Number: 8,715,887

Title: Complex holograms, method of making and using complex holograms

Abstract: A method of making a hologram includes recording a first hologram in a holographic recording medium at a first deformation ratio; changing the first deformation ratio to a second deformation ratio that is different from the first deformation ratio; and recording a second hologram in the holographic recording medium at the second deformation ratio to form a recorded holographic medium.

Inventors: Takemori; Michael Teruki (Rexford, NY), Bansal; Amitabh (Hoboken, NJ), Burns; Andrew A. (Schenectady, NY), Cheverton; Mark (Mechanicville, NY), Jain; Sumeet (Niskayuna, NY)

Assignee: Sabic Innovative Plastics IP B.V.

International Classification: G03H 1/02 (20060101)

Expiration Date: 5/06/12018