H01J3/07 - CPC Classification Index

ClassID:

204519 ⎘

H01J3/07 - CPC Classification

Classification description:

Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps Arrangements for controlling convergence of a plurality of beams

Recent Application in this class:

20180366294

2018-12-20

ELECTRON BEAM APPARATUS, AND X-RAY GENERATION APPARATUS AND SCANNING ELECTRON MICROSCOPE EACH INCLUDING THE SAME

20080073547

2008-03-27

Apparatus for generating a plurality of beamlets

20070029509

2007-02-08

Apparatus for generating a plurality of beamlets

20070029499

2007-02-08

Apparatus for generating a plurality of beamlets

20070018112

2007-01-25

Apparatus for generating a plurality of beamlets