Main > PIGMENT > Light Interference Pigments > Co.: USA. F > Patent > Claims Etc > Claim 1: Thin Film Optical Variable > Article Used in Reflection Mode > having Gold to Green Color Shift > with Angle; Currency Authentication > ; Opaque Currency Sheet (Substrate) > Article Comprise Transparent Optica > l Thick Element Carrying Subtractiv > e COLORANT Means have 1st & 2nd > Surfaces & MultiLayer Interference > Coating on Surface; Coating Faces > Currency Sheet & Colorant Element

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Currency Sheet & Colorant Element's subsections
SuperStrate Facing Incident Light;

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