H01J2201/317 - CPC Classification Index

ClassID:

205815 ⎘

H01J2201/317 - CPC Classification

Classification description:

Electrodes common to discharge tubes; Cold cathodes combined with other synergetic effects, e.g. secondary, photo- or thermal emission

Recent Application in this class:

20170213685

2017-07-27

X-ray tube including hybrid electron emission source

20090115756

2009-05-07

Matrix phosphor cold cathode display employing ion activated phosphors

20090102389

2009-04-23

Matrix phosphor cold cathode display employing secondary emission

20070096619

2007-05-03

Electron emission source comprising carbon-based material and photoelectric element, method of preparing the same, electron emission device and electron emission display device comprising the electron emission source

20060061285

2006-03-23

High power, long focus electron source for beam processing

20060044730

2006-03-02

Dielectric composition and dielectric film element

14992870

2016-11-08

Thermal-field type electron source composed of transition metal carbide material

13851732

2016-01-19

Thermal-field type electron source composed of transition metal carbide material with artificial facet