TERMIUM Plus®

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PHOTORESISTOR [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2004-02-25

English

Subject field(s)
  • Photoelectricity and Electron Optics
  • Semiconductors (Electronics)
DEF

A device for detecting or measuring electromagnetic radiation by variation of the conductivity of a substance (called a photoconductor) upon absorption of the radiation by this substance.

OBS

Photoelectric receptor in which absorption of radiation gives rise to an increase in conductivity by the internal photoelectric effect.

OBS

Note the opposition between the notions of resistance and conductivity for a same component.

Key term(s)
  • photo-conductive cell
  • photo-resistive cell
  • photo resistor

French

Domaine(s)
  • Photo-électricité et optique électronique
  • Semi-conducteurs (Électronique)
DEF

Récepteur photoélectrique dans lequel l'absorption du rayonnement provoque une augmentation de la conductivité par effet photoélectrique interne.

DEF

Une cellule photoélectrique dont la résistance varie inversement à l'intensité lumineuse qui frappe le matériau actif.

OBS

Noter l'opposition entre les notions de résistance et de conductivité pour un même composant.

Key term(s)
  • cellule photo-conductive
  • photo-résistance

Spanish

Campo(s) temático(s)
  • Fotoelectricidad y óptica electrónica
  • Semiconductores (Electrónica)
DEF

Aparato que permite detectar radiaciones electromagnéticas por la variación que sufre la conductividad de una sustancia cuando ésta absorbe la radiación.

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