H01J1/13 - CPC Classification Index

ClassID:

204449 ⎘

H01J1/13 - CPC Classification

Classification description:

Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps; Main electrodes Solid thermionic cathodes

Sub-classes:

H01J1/135 » {Circuit arrangements therefor, e.g. for temperature control} 9
H01J1/14 » characterised by the material 50
H01J1/15 » Cathodes heated directly by an electric current 40
H01J1/20 » Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment 19

Recent Application in this class:

20230147125

2023-05-11

Electron beam generator, electron beam emission device and X-ray emission device

20210391143

2021-12-16

Charged particle beam device

20210008656

2021-01-14

Apparatus for generating electron radiation and three-dimensional printing apparatus

20170133190

2017-05-11

Ion generation device and ion detection device

20140153698

2014-06-05

Flat filament for an X-ray tube, and an X-ray tube

20140117839

2014-05-01

Cathode selection method

20130193340

2013-08-01

Electron beam focusing electrode and electron gun using the same

20130105742

2013-05-02

Impregnated yttric or gadolinium-containing Barium-aluminum-scandate cathodes and their fabrication methods

20130088141

2013-04-11

ELECTRODE FOR HOT CATHODE FLUORESCENT LAMP AND HOT CATHODE FLUORESCENT LAMP

#10

20110147607

2011-06-23

Micro-cone targets for producing high energy and low divergence particle beams

#11

20100207508

2010-08-19

Thermionic electron emitter, method for preparing same and X-ray source including same

#12

20100195797

2010-08-05

Thermionic electron emitter and X-ray source including same

#13

20100052501

2010-03-04

BRAZING MATERIAL, ELECTRON TUBES, MAGNETRON AND METHOD FOR BRAZING

#14

20090289542

2009-11-26

Electron beam focusing electrode and electron gun using the same

#15

20090260233

2009-10-22

Method of producing a high voltage stable cathode for an X-ray tube

#16

20090256135

2009-10-15

Thermal electron emitter and thermal electron emission device using the same

#17

20090167136

2009-07-02

Thermionic emission device

#18

20080231197

2008-09-25

Power supply unit, high-frequency circuit system and heater voltage control method

#19

20070003018

2007-01-04

High voltage stable cathode for x-ray tube

#20

20060125368

2006-06-15

Solid state vacuum devices

#21

20050179024

2005-08-18

Electron emission material and electron emission element using the same