Lenses

Introduced: September 1968

Last revised: January 2006

Full Title

Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof > Details > Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement > Lenses

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC ELEMENTS
Subclass:: ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

3 direct subcodes

Child Classifications

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H01J 37/12 electrostatic
H01J 37/14 magnetic
H01J 37/145 Combinations of electrostatic and magnetic lenses