TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

BARRIER-LAYER CELL [3 records]

Record 1 2013-10-01

English

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

A device that detects or measures electromagnetic radiation by generating a potential at a junction (barrier layer) between two types of material, upon absorption of radiant energy.

CONT

photovoltaic cell: A photovoltaic cell consists of a thin film of a semiconductor in contact with another appropriate material, usually a metal.

OBS

barrier-layer cell : The Modern Dictionary of Electronics, by R. E. Graf, Howard W. Sams Co., USA, 1977, p. 67, describes this as being a copper-cuprous oxide type of device, though there are, in fact, other types of barrier-layer cells.

Key term(s)
  • barrier layer cell
  • barrier layer photoelectric cell

French

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

Tube photosensible utilisant l'effet photovoltaïque.

CONT

L'effet photovoltaïque se manifeste par l'apparition d'une force électromotrice au contact d'un métal et d'un semiconducteur. Cette f.e.m. est à peu près proportionnelle au flux lumineux incident. Les cellules photovoltaïques, peu sensibles, peu précises, d'inertie assez grande, ne nécessitent pas d'alimentation extérieure et sont employées dans les posemètres en photographie.

OBS

photopile : Peut désigner aussi une cellule à jonction pn.

Spanish

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

Instrumento utilizado para la medida de la energía radiante mediante el efecto fotovoltaico.

Save record 1

Record 2 2000-05-25

English

Subject field(s)
  • Photography
  • Dry Cells
DEF

A cell used in exposure meters. When an electric current is passed through it, the cell offers a resistance directly proportional to the amount of light it is receiving.

CONT

The cadmium sulphide cell is particularly compact-usually smaller than a barrier-layer cell and is thus suitable for building into cameras.

Key term(s)
  • cadmium sulfide cell

French

Domaine(s)
  • Photographie
  • Piles sèches
DEF

Photorésistance alimentée par une pile, dont la résistance est proportionnelle à l'intensité de la lumière qu'elle reçoit.

CONT

Pour la détermination du temps de pose, la cellule traditionnelle au sélénium laisse la place à la cellule CdS, plus petite, plus sensible [...]

Spanish

Save record 2

Record 3 1985-10-01

English

Subject field(s)
  • Optics
  • Scientific Instruments
DEF

an instrument containing a physical receptor(photoemissive cell, barrier-layer cell, thermopile, etc.) and associated filters, that is calibrated so as to read photometric quantities directly.

French

Domaine(s)
  • Optique
  • Instruments scientifiques
DEF

Photomètre [ou colorimètre] utilisant un récepteur physique de rayonnement.

Spanish

Save record 3

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