H01J2203/0236 - CPC Classification Index

ClassID:

205836 ⎘

H01J2203/0236 - 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; Gate electrodes Relative position to the emitters, cathodes or substrates

Recent Application in this class:

20140270087

2014-09-18

X-ray generator including heat sink block

20140159566

2014-06-12

Field emission cathode device and field emission equipment using the same

20130230146

2013-09-05

Electron emission device and X-ray generator including the same

20120306348

2012-12-06

Field emitter

20100045166

2010-02-25

ELECTRON EMITTING DEVICE AND LIGHT EMITTING DEVICE THEREWITH

20100007263

2010-01-14

Field emission cathode and field emission display employing with same

20090072707

2009-03-19

Electron emission device, light emission apparatus including the same, and method of manufacturing the electron emission device

20070024545

2007-02-01

Electron emission type backlight unit and flat panel display device having the same