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2. Security printing - Wikipedia

   en.wikipedia.org/wiki/Security_printing

   A hologram may be embedded either via hot-stamping foil, wherein an extremely thin layer of only a few micrometers of depth is bonded into the paper or a plastic substrate by means of a hot-melt adhesive (called a size coat) and heat from a metal die, or it may be directly embossed as holographic paper, or onto the laminate of a card itself ...

3. Printer tracking dots - Wikipedia

   en.wikipedia.org/wiki/Printer_tracking_dots

   Yellow dots on white paper, produced by color laser printer (enlarged, dot diameter about 0.1 mm) Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and photocopiers produce on every printed page that identifies the specific device that was ...

4. Holography - Wikipedia

   en.wikipedia.org/wiki/Holography

   Two photographs of a single hologram taken from different viewpoints. Holography is a technique that enables a wavefront to be recorded and later reconstructed. It is best known as a method of generating three-dimensional images, and has a wide range of other uses, including data storage, microscopy, and interferometry.

5. Computer-generated holography - Wikipedia

   en.wikipedia.org/wiki/Computer-generated_holography

   It involves generating holographic interference patterns. A computer-generated hologram can be displayed on a dynamic holographic display, or it can be printed onto a mask or film using lithography. [1] When a hologram is printed onto a mask or film, it is then illuminated by a coherent light source to display the holographic images.

6. Security hologram - Wikipedia

   en.wikipedia.org/wiki/Security_hologram

   Security holograms are labels with a hologram printed onto it for sale security reasons. It is argued by the International Hologram Manufacturers Association that holograms on security labels are difficult to forge because they are replicated from a master hologram which requires expensive specialized and technologically advanced equipment. [ 1 ]

7. Printer (computing) - Wikipedia

   en.wikipedia.org/wiki/Printer_(computing)

   HP LaserJet 5 printer The Game Boy Pocket Printer, a thermal printer released as a peripheral for the Nintendo Game Boy This is an example of a wide-carriage dot matrix printer, designed for 14-inch (360 mm) wide paper, shown with 8.5-by-14-inch (220 mm × 360 mm) legal paper.

8. Smart label - Wikipedia

   en.wikipedia.org/wiki/Smart_label

   A smart label, also called a smart tag, is an extremely flat configured transponder under a conventional print-coded label, which includes chip, antenna and bonding wires as a so-called inlay. [ 1 ] [ 2 ] [ 3 ] The labels, made of paper, fabric or plastics, are prepared as a paper roll with the inlays laminated between the rolled carrier and ...

9. Digital holography - Wikipedia

   en.wikipedia.org/wiki/Digital_holography

   Digital holography is the acquisition and processing of holograms with a digital sensor array, [1] [2] typically a CCD camera or a similar device. Image rendering, or reconstruction of object data is performed numerically from digitized interferograms.