H01J2203/0208 - CPC Classification Index

ClassID:

205829 ⎘

H01J2203/0208 - 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

Sub-classes:

H01J2203/0212 » Gate electrodes 4
H01J2203/024 » Focusing electrodes 1

Recent Application in this class:

20140270087

2014-09-18

X-ray generator including heat sink block

20140010347

2014-01-09

Mesh electrode adhesion structure, electron emission device and electronic apparatus including the electron emission device

20120229051

2012-09-13

Field emission device