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2. German residence permit - Wikipedia

   en.wikipedia.org/wiki/German_residence_permit

   Today, residence permits are issued as ID-1 (credit card size) plastic cards and the additional provisions are printed on a separate sheet of paper, so that residents have to possess, but not carry around, up to three different documents: a passport from their country of citizenship, their residence permit, and the supplementary sheet if ...

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. 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 ...

5. 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 .

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. Printer (computing) - Wikipedia

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

   A video showing an inkjet printer while printing a page. In computing, a printer is a peripheral machine which makes a durable representation of graphics or text, usually on paper. [ 1] While most output is human-readable, bar code printers are an example of an expanded use for printers. [ 2]