ClassID:

204610

H01J9/04 - CPC Classification

Classification description:

Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps; Manufacture of electrodes or electrode systems of thermionic cathodes

Sub-classes:
Recent Application in this class:
#1
20250037958
2025-01-30

CATHODE HEATER ASSEMBLY AND METHOD OF MANFACTURE

#2
20240395494
2024-11-28

Laminate, electron source and electronic device containing laminate, and production method and cleaning method for laminate

#3
20240161993
2024-05-16

Annular gap cathodes with graphite caps

#4
20240096583
2024-03-21

Cathode heater assembly and method of manufacture

#5
20230317401
2023-10-05

Electron Source, Method of Manufacturing the Same, And Electron Beam Apparatus Using the Same

#6
20230317395
2023-10-05

ELECTRON SOURCE AND METHOD FOR MANUFACTURING SAME, AND EMITTER AND DEVICE PROVIDED WITH SAME

#7
20230197396
2023-06-22

X-ray cathode focusing element

#8
20230132046
2023-04-27

Cathode mechanism of electron emission source, and method for manufacturing cathode mechanism of electron emission source

#9
20210193427
2021-06-24

Electron source and production method therefor

#10
20210175067
2021-06-10

Cathode material

#11
20210125805
2021-04-29

Electron gun and manufacturing method therefor

#12
20200126750
2020-04-23

Electron source and production method therefor

#13
20200066475
2020-02-27

Cathode emitter to emitter attachment system and method

#14
20190371582
2019-12-05

Electrostatic grid device to reduce electron space charge

#15
20190221399
2019-07-18

Electron source and production method therefor

#16
20190103243
2019-04-04

Creep resistant electron emitter material and fabrication method

#17
20180254164
2018-09-06

Carburized LaOand LuOco-doped Mo filament cathode

#18
20180204702
2018-07-19

PHOSPHORUS DOPED DIAMOND ELECTRODE WITH TUNABLE LOW WORK FUNCTION FOR EMITTER AND COLLECTOR APPLICATIONS

#19
20180053618
2018-02-22

Thermionic emission device, focus head, x-ray tube and x-ray radiator

#20
20170358419
2017-12-14

Method of fabricating tungsten scandate nano-composite powder for cathodes

#21
20170345608
2017-11-30

Method for preparing pressed scandia-doped dispenser cathodes using microwave sintering

#22
20170323756
2017-11-09

Phosphorus doped diamond electrode with tunable low work function for emitter and collector applications

#23
20170062200
2017-03-02

ELECTRODE FOR A SHORT-ARC HIGH PRESSURE LAMP

#24
20160148797
2016-05-26

Discharge lamp

#25
20150056883
2015-02-26

Method for producing a thermoelectron emission source and method for producing a cathode

#26
20140246397
2014-09-04

Method for fabricating emitter

#27
20140139100
2014-05-22

Thermionic cathode with even electric field distribution on electron emitting surface

#28
20140097736
2014-04-10

High-brightness, long life thermionic cathode and methods of its fabrication

#29
20130221842
2013-08-29

Method for producing an electrode for a high-pressure discharge lamp and high-pressure discharge lamp comprising at least one electrode thus produced

#30
20120285586
2012-11-15

Tungsten wire, cathode heater and vibration service lamp filament

#31
20120064794
2012-03-15

Method for making thermionic electron emission device

#32
20120062100
2012-03-15

Thermionic electron emission device

#33
20110306264
2011-12-15

Method of manufacturing rhenium alloy emission filaments

#34
20110221328
2011-09-15

Thermionic electron emitters/collectors have a doped diamond layer with variable doping concentrations

#35
20110186735
2011-08-04

ELECTRON SOURCE, ELECTRON GUN, AND ELECTRON MICROSCOPE DEVICE AND ELECTRON BEAM LITHOGRAPHY DEVICE USING IT

#36
20100277051
2010-11-04

Emission filaments made from a rhenium alloy and method of manufacturing thereof

#37
20100207508
2010-08-19

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

#38
20100176708
2010-07-15

X-RAY EMITTING FOIL WITH TEMPORARY FIXING BARS AND PREPARING METHOD THEREFORE

#39
20100084055
2010-04-08

TUNGSTEN WIRE, CATHODE HEATER AND VIBRATION SERVICE LAMP FILAMENT

#40
20100015878
2010-01-21

Method for assembling indirectly-heated cathode assembly

#41
20090302764
2009-12-10

Method for the thermal treatment of tungsten electrodes free from thorium oxide for high-pressure discharge lamps

#42
20090260233
2009-10-22

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

#43
20090170394
2009-07-02

Method for making thermionic electron source

#44
20090167137
2009-07-02

Thermionic electron emission device

#45
20090160306
2009-06-25

Thermal electron emission source having carbon nanotubes and method for making the same

#46
20090134798
2009-05-28

DISCHARGE LAMP, ELECTRODE, AND METHOD OF MANUFACTURING AN ELECTRODE PORTION OF A DISCHARGE LAMP

#47
20090023355
2009-01-22

Electron source manufacturing method

#48
20080218077
2008-09-11

DISCHARGE LIGHT-EMITTING DEVICE

#49
20070228913
2007-10-04

Discharge lamp, method for manufacturing the discharge lamp electrode, lighting system

#50
20070148031
2007-06-28

Method of producing a highly dense semifinished product or component

#51
20070003018
2007-01-04

High voltage stable cathode for x-ray tube

#52
20060186808
2006-08-24

Discharge lamp manufacturing method

#53
20060181217
2006-08-17

Fluorescent lamp cathode and method of making cathodes

#54
20060145585
2006-07-06

Electron gun

#55
20060140344
2006-06-29

X-ray tube cathode assembly and interface reaction joining process

#56
20060097617
2006-05-11

Cathode unit for fluorescent lamps

#57
20050173429
2005-08-11

Magnetron

#58
20050130549
2005-06-16

Method for the manufacture of an X-ray tube cathode filament

#59
20050082960
2005-04-21

Internal conductively-heated cathode

#60
20050061533
2005-03-24

High voltage cable for a miniature x-ray tube

#61
20050052109
2005-03-10

Electron beam emitter

#62
20050029950
2005-02-10

Electrode, manufacturing method thereof, and metal vapor discharge lamp

#63
20050029656
2005-02-10

Electrode, manufacturing method thereof, and metal vapor discharge lamp

#64
16203524
2020-03-17

Low temperature, high-brightness, cathode

#65
16203407
2020-02-04

High-brightness lanthanum hexaboride cathode and method for manufacturing of cathode