electrophotography


electrophotography
electrophotographic /i lek'treuh foh'teuh graf"ik/, adj.
/i lek'troh feuh tog"reuh fee/, n.
photography using electric rather than chemical processes to transfer an image onto paper, as in xerography.
[1890-95; ELECTRO- + PHOTOGRAPHY]

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      any of several image-forming processes, principally xerography and the dielectric process, that rely on photoconductive substances whose electrical resistance decreases when light falls on them; it is the basis of the most widely used document-copying machines.

      In xerography, a light exposure is made upon a uniformly charged metal plate, the selenium coating of which then selectively destroys the charge in conformity with the original. The image is made visible by dusting the plate with an oppositely charged pigmented powder; it is then transferred to paper electrostatically and fused with heat. Modern xerographic machines use a continuously rotating metal drum on which the various steps—charging, exposing, developing, and transferring—are carried out continuously.

      A proprietary process known as Electrofax employs a photographic paper coated with a dielectric layer; the entire charging, exposure, and development process is thus effected directly on the paper itself.

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Universalium. 2010.

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  • electrophotography — noun Date: 1894 photography in which images are produced by electrical means (as in xerography) • electrophotographic adjective …   New Collegiate Dictionary

  • electrophotography — noun Any of several methods of photocopying in which an image is created and then transferred between surfaces using static electricity …   Wiktionary

  • Electrophotography — Электрофотография (результат процесс) …   Краткий толковый словарь по полиграфии

  • electrophotography — “+ noun Etymology: electr + photography : photography in which images are produced by electrical means (as in xerography) * * * electrophotographic /i lek treuh foh teuh graf ik/, adj. /i lek troh feuh tog reuh fee/, n. photography using electric …   Useful english dictionary

  • Electrophotography arts — Искусство [техника] электрофотографии …   Краткий толковый словарь по полиграфии

  • laser electrophotography — lazerinė elektrofotografija statusas T sritis radioelektronika atitikmenys: angl. laser electrophotography vok. Elektrophotographie durh Laser, f rus. лазерная электрофотография, f pranc. électrophotographie laser, f …   Radioelektronikos terminų žodynas

  • Dry process electrophotography — Электрофотография с сухим проявлением (скрытого электростатического изображения) …   Краткий толковый словарь по полиграфии

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