TERMIUM Plus®

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

GOLDFOIL APERTURE [1 record]

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Record 1 1987-07-23

English

Subject field(s)
  • Optical Instruments
  • Scientific Instruments
OBS

Tiny aperture or opening within a sheet of gold foil, which is placed in the objective lens to serve as a diaphragm in a transmission electron microscope. Source: Electron Microscope Centre, Agriculture Canada.

French

Domaine(s)
  • Instruments d'optique
  • Instruments scientifiques
OBS

Les microscopes usuels possèdent le plus souvent dans l'objectif un porte-diaphragme muni de trois diaphragmes qui peuvent être introduits et centrés séparément (...). [On utilise] de plus en plus souvent des diaphragmes dits "autonettoyants" à feuille métallique très mince; ces derniers sont généralement constitués d'or (...).

Spanish

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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