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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.
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.
Digital printing paper is also called electronic printing paper. The basis weight is 40-400 g/m 2. [citation needed] This paper quality may be either coated or uncoated. The demands of the paper may vary substantially depending on printing method: electrical charge, thermal, magnetic or ink-jet. All require good dimensional stability, no ...
It is engaged in the manufacture / production of currency and banknotes, security paper, non-judicial stamp papers, postage stamps and stationery, travel document viz., passport and visa, security certificates, cheques, bonds, warrants, special certificates with security features, security inks, circulation and commemorative coins, medallions ...
Applied to the production of paper currency, copper-plate engraving allowed for greater detail and production during printing. It was the transition to steel engraving that enabled banknote design and printing to rapidly advance in the United States during the 19th century.
Thermal paper (often supplied in roll form, and sometimes referred to as an audit roll) is a special fine paper that is coated with a material formulated to change color locally when exposed to heat. It is used in thermal printers , particularly in inexpensive devices such as adding machines , cash registers , and credit card terminals and ...
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