Definitions for xerographyzɪˈrɒg rə fi

This page provides all possible meanings and translations of the word xerography

Random House Webster's College Dictionary

xe•rog•ra•phyzɪˈrɒg rə fi(n.)

  1. a copying process in which areas on a sheet of paper are sensitized by static electricity and then sprinkled with black or colored resin that is fused to the paper.

    Category: Printing

Origin of xerography:

1945–50

xe`ro•graph′i•cal•ly(adv.)

Princeton's WordNet

  1. xerography(noun)

    forming an image by the action of light on a specially coated charged plate; the latent image is developed with powders that adhere only to electrically charged areas

    "edge enhancement is intrinsic in xerography"

Wiktionary

  1. xerography(Noun)

    a photocopying process in which a negative image formed on an electrically charged plate is transferred as a positive to paper and thermally fixed

Freebase

  1. Xerography

    Xerography is a dry photocopying technique invented by Chester Carlson in 1938, for which he was awarded U.S. Patent 2,297,691 on October 6, 1942. Carlson originally called his invention electrophotography. It was later renamed xerography—from the Greek roots ξηρός xeros "dry" and -γραφία -graphia "writing"—to emphasize that, unlike reproduction techniques then in use such as cyanotype, this process used no liquid chemicals. Carlson's innovation combined electrostatic printing with photography, unlike the dry electrostatic printing process invented by Georg Christoph Lichtenberg in 1778. Carlson's original process was cumbersome, requiring several manual processing steps with flat plates. It was almost 18 years before a fully automated process was developed, the key breakthrough being use of a cylindrical drum coated with selenium instead of a flat plate. This resulted in the first commercial automatic copier, the Xerox 914, being released by Haloid/Xerox in 1960. Before that year, Carlson had proposed his idea to more than a dozen companies, but none were interested. Xerography is now used in most photocopying machines and in laser and LED printers.


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