TERMIUM Plus®

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CUPULE FOCALISATION [2 records]

Record 1 2008-12-19

English

Subject field(s)
  • Radiological Physics (Theory and Application)
CONT

The focusing cup is designed so that its electrical forces cause the electron stream to converge onto the target anode in the required size and shape.

OBS

The focusing cup is usually made of molybdenum.

French

Domaine(s)
  • Physique radiologique et applications
DEF

Cupule métallique dans laquelle est fixée la cathode incandescente d'un tube à rayon X, et destiné à concentrer électrostatiquement le faisceau d'électrons sur le foyer de l'anode.

Spanish

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Record 2 2008-10-29

English

Subject field(s)
  • Radiological Physics (Theory and Application)
CONT

The focusing cup is designed so that its electrical forces cause the electron stream to converge onto the target anode in the required size and shape.

OBS

The focusing cup is usually made of molybdenum.

French

Domaine(s)
  • Physique radiologique et applications
CONT

L'ensemble cathode et anticathode est placé dans une ampoule de verre où sont soudés les électrodes. Le filament de tungstène est entouré d'une cupule de concentration [...] qui permet de diriger les électrons émis sur une petite surface de l'anticathode.

Spanish

Save record 2

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