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Inkjet printing is a type of computer printing that recreates a digital image by propelling droplets of ink onto paper and plastic substrates. [1] Inkjet printers were the most commonly used type of printer in 2008, [2] and range from small inexpensive consumer models to expensive professional machines.
The calotype process was the first to utilize negative printing, which reverses all values in the reproduction process – black shows up as white and vice versa. [10]: 21 Negative printing allows, in principle, an unlimited number of positive prints to be made from the original negative.
The shadow mask absorbs or reflects electrons that would otherwise strike the wrong phosphor dots, [391] causing color purity issues (discoloration of images); in other words, when set up correctly, the shadow mask helps ensure color purity. [188] When the electrons strike the shadow mask, they release their energy as heat and x-rays.