H01J2203/026 - CPC Classification Index

ClassID:

205842 ⎘

H01J2203/026 - CPC Classification

Classification description:

Electron or ion optical arrangements common to discharge tubes or lamps; Electron guns using cold cathodes, e.g. field emission cathodes; Control electrodes; Focusing electrodes Relative position to the gateelectrodes, emitters, cathodes or substrates

Sub-classes:

H01J2203/0264 » In the same plane as the gate electrodes or cathodes 0

Recent Application in this class:

20210241990

2021-08-05

Method of operating a charged particle gun, charged particle gun, and charged particle beam device

16777276

2020-12-08

Method of operating a charged particle gun, charged particle gun, and charged particle beam device