TREA

Arrangements for controlling convergence of a plurality of beams

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  • CPC
  • H01J3/07
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J3/00Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps

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H01J3/07Arrangements for controlling convergence of a plurality of beams
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