H01J29/46 - CPC Classification Index

ClassID:

205018 ⎘

H01J29/46 - CPC Classification

Classification description:

Details of cathode-ray tubes or of electron-beam tubes of the types covered by group Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement

Sub-classes:

H01J29/462 » {arrangements for interrupting the beam during inoperative periods} 1
H01J29/465 » {for simultaneous focalisation and deflection of ray or beam} 0
H01J29/467 » {Control electrodes for flat display tubes, e.g. of the type covered by group } 117
H01J29/48 » Electron guns 31
H01J29/52 » Arrangements for controlling intensity of ray or beam, e.g. for modulation 2
H01J29/54 » Arrangements for centring ray or beam 3
H01J29/56 » Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses 5
H01J29/58 » Arrangements for focusing or reflecting ray or beam 12
H01J29/70 » Arrangements for deflecting ray or beam 28
H01J29/80 » Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching 3
H01J29/82 » Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements 13

Recent Application in this class:

20230335365

2023-10-19

ELECTRON SOURCE AND PATTERN MODULATOR

20210008656

2021-01-14

Apparatus for generating electron radiation and three-dimensional printing apparatus

20170296844

2017-10-19

Beam position monitors for medical radiation machines

20170213685

2017-07-27

X-ray tube including hybrid electron emission source

20160181052

2016-06-23

Device for producing an electron beam

20160148774

2016-05-26

Field-emission device with improved beams-convergence

20160027605

2016-01-28

High resolution high quantum efficiency electron bombarded CCD or CMOS imaging sensor

20150206698

2015-07-23

Image capture device

20150179389

2015-06-25

Performance optimization of a field emission device

#10

20150179386

2015-06-25

Field emission device with nanotube or nanowire grid

#11

20140212595

2014-07-31

Magnetic field fluctuation for beam smoothing

#12

20130169193

2013-07-04

Performance optimization of a field emission device

#13

20080185955

2008-08-07

Image Display Device

#14

20080048551

2008-02-28

Image display device

#15

20070262697

2007-11-15

ELECTRON EMISSION DEVICE AND LIGHT EMISSION DEVICE INCLUDING THE ELECTRON EMISSION DEVICE

#16

20060202605

2006-09-14

Image display device

#17

20060087213

2006-04-27

Cathode ray tube

#18

20060038747

2006-02-23

Display device with electron beam guiding channels

#19

13865689

2016-05-03

Method for production of novel materials via ultra-high energy electron beam processing