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  2. Security printing - Wikipedia

    en.wikipedia.org/wiki/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 counterfeiting.

  3. Security paper - Wikipedia

    en.wikipedia.org/wiki/Security_paper

    Barack Obama's birth certificate on security paper.. Security paper is a paper used in security printing that incorporates features that can be used to identify or authenticate a document as original, e.g., watermarks or invisible fibres in paper, or features that demonstrate tamper evidence when fraud is attempted, e.g., to remove or alter print such as amounts or signatures on a cheque.

  4. Permanent marker - Wikipedia

    en.wikipedia.org/wiki/Permanent_marker

    In addition to being used for labelling microscopy slides, permanent markers can be used to do a negative stain of a bacterial sample. This means the background is stained with the marker, but the bacteria are not. The bacteria can be seen because they are unstained (lighter) while the background is stained (darker). [2]

  5. Sharpie (marker) - Wikipedia

    en.wikipedia.org/wiki/Sharpie_(marker)

    Sharpie is a brand of writing implements (mainly permanent markers) manufactured by Newell Brands, a public company headquartered in Atlanta, Georgia.Originally designating a single permanent marker, the Sharpie brand has been widely expanded and can now be found on a variety of previously unrelated permanent and non-permanent pens and markers formerly marketed under other brands.

  6. Counterfeit banknote detection pen - Wikipedia

    en.wikipedia.org/wiki/Counterfeit_banknote...

    A counterfeit banknote detection pen, used to detect fake banknotes. A counterfeit banknote detection pen is a pen used to apply an iodine-based ink to banknotes in an attempt to determine their authenticity. The ink reacts with starch in wood-based paper to create a black or blue mark but the paper in a real bill contains no starch, so the pen ...

  7. Marker pen - Wikipedia

    en.wikipedia.org/wiki/Marker_pen

    The tip of a green felt-tip pen A box of colored felt-tip pens Marker pen. A marker pen, fine liner, marking pen, felt-tip pen, felt pen, flow marker, sign pen (in South Korea), vivid (in New Zealand), flomaster (in East and South Slavic countries), texta (in Australia), sketch pen (in South Asia), koki (in South Africa) or simply marker is a pen which has its own ink source and a tip made of ...

  8. Magnetic ink character recognition - Wikipedia

    en.wikipedia.org/wiki/Magnetic_ink_character...

    ⑆ (transit: used to delimit a bank code); ⑈ (on-us: used to delimit a customer account number); ⑇ (amount: used to delimit a transaction amount); ⑉ (dash: used to delimit parts of numbers—e.g., routing numbers or account numbers). In the check printing and banking industries the E-13B MICR line is also commonly referred to as the TOAD ...

  9. Grease pencil - Wikipedia

    en.wikipedia.org/wiki/Grease_pencil

    Surfaces used with grease pencils include glass, rock, polished stone, plastic, ceramics, acetate, and other glazed, lacquered or polished surfaces, and metal, as well as the glossy paper that is used for photographic printing (particularly for contact sheets), x-rays, maps, and for marking edits on analog audio tape and film.