TERMIUM Plus®

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HELIUM PUMPING [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2015-01-12

English

Subject field(s)
  • Physics
CONT

In order to minimize the plasma loss arising from interactions with background gas particles, the plasma is contained in an ultra-high vacuum system. The high vacuum is obtained by using turbo-molecular pumps for the initial vacuum and liquid helium cryopumps for the pumping to very low pressure.

French

Domaine(s)
  • Physique

Spanish

Save record 1

Record 2 1984-10-22

English

Subject field(s)
  • Lasers and Masers

French

Domaine(s)
  • Masers et lasers

Spanish

Save record 2

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