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  2. Lenticular printing - Wikipedia

    en.wikipedia.org/wiki/Lenticular_printing

    Lenticular printing is a technology in which lenticular lenses (a technology also used for 3D displays) are used to produce printed images with an illusion of depth, or the ability to change or move as they are viewed from different angles. Examples include flip and animation effects such as winking eyes, and modern advertising graphics whose ...

  3. Security printing - Wikipedia

    en.wikipedia.org/wiki/Security_printing

    Security printing. Security printing is the field of the printing industry that deals with the printing of items such as banknotes, cheques, passports, tamper-evident labels, security tapes, product authentication, stock certificates, postage stamps and identity cards. The main goal of security printing is to prevent forgery, tampering, or ...

  4. Polish identity card - Wikipedia

    en.wikipedia.org/wiki/Polish_identity_card

    From 1919 until 1928, the term "Polish identity card" was used to describe the document necessary for foreign travel. This effectively served as a de facto passport for international travel (despite the name "personal ID card" on the inner cover it was already effectively a passport). The fee for its release was high: in June 1923 it was 90,000 ...

  5. IDnow Scans Holograms In ID Cards To Verify Your Identity ...

    techcrunch.com/2014/06/18/idnow-scans-holograms...

    First you take a photo of your ID document. An IDNow app uses the flash light of your smartphone to illuminate the official government ID and its hologram. The hologram reflect in the flash light ...

  6. Physics of optical holography - Wikipedia

    en.wikipedia.org/wiki/Physics_of_Optical_Holography

    Embossed holograms are used widely on credit cards, banknotes, and high value products for authentication purposes. [3] It is possible to print holograms directly into steel using a sheet explosive charge to create the required surface relief. [15] The Royal Canadian Mint produces holographic gold and silver coinage through a complex stamping ...

  7. Optical mark recognition - Wikipedia

    en.wikipedia.org/wiki/Optical_mark_recognition

    Optical answer sheets usually have a set of blank ovals or boxes that correspond to each question, often on separate sheets of paper. Bar codes may mark the sheet for automatic processing, and each series of ovals filled will return a certain value when read. In this way students' answers can be digitally recorded, or identity given.

  8. Holography - Wikipedia

    en.wikipedia.org/wiki/Holography

    Holography. 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. In principle, it is possible to make a hologram for any type of wave .

  9. ISO/IEC 7810 - Wikipedia

    en.wikipedia.org/wiki/ISO/IEC_7810

    ISO / IEC 7810 sizes. Most banking cards and ID cards. Size may also be referred to as CR-80 or TD1 . Older-style ID cards. Visas. All card sizes have a thickness of 760 ± 80 μm, i.e. minimum 0.68 millimetres (0.027 in) and maximum 0.84 millimetres (0.033 in). The standard defines both metric and imperial measurements, noting that: [ 4]

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