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Embossed Hologram

Embossed hologram is a white-light transmission hologram applied to a reflecting relief surface so that it diffracts light. First, a transmission stereogram is printed on a light-sensitive medium that is engraved to form a microscopic relief pattern that matches the interference pattern of the holographic image. The relief pattern is then coated with a thin film of nickel or silver and used as a mold. The mold is used to hot-stamp the relief pattern into highly reflective film.

The embossed holograms offer the benefit of multiple colors, yet lack the full three dimensional parallax that can be obtained in film, photopolymer or glass plate holograms. Most embossed hologram film is created as a "rainbow", so that each holographic element in an image will shift through the entire visible spectrum as the image is moved.

New techniques are now allowing us to produce 3-Dimensional structures and images, as these structures are not dependent on light diffraction, they are viewable and remain the same under all lighting conditions.

Applications of Embossed Hologram

• Decorative laminate
• Packaging films
• Paper
• Foils
• Labels
• Automatic labeling
• Window patching
• Screen printing
• Security applications specially on visa cards