H01J2203/0232 - CPC Classification Index

ClassID:

205835 ⎘

H01J2203/0232 - 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 characterised by the material

Recent Application in this class:

20170323755

2017-11-09

Applications of graphene grids in vacuum electronics

20160148774

2016-05-26

Field-emission device with improved beams-convergence

20150243468

2015-08-27

Applications of graphene grids in vacuum electronics

20150213992

2015-07-30

Electronic device multi-layer graphene grid

20150179386

2015-06-25

Field emission device with nanotube or nanowire grid

20130169142

2013-07-04

Electronic device graphene grid

20120006784

2012-01-12

Transmission electron microscope grid and method for making same

20100007263

2010-01-14

Field emission cathode and field emission display employing with same

20090195138

2009-08-06

Electron emission device and display device using the same

#10

20090115305

2009-05-07

Triodes using nanofabric articles and methods of making the same