H01J1/90 - CPC Classification Index

ClassID:

204501 ⎘

H01J1/90 - 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; Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies Insulation between electrodes or supports within the vacuum space

Recent Application in this class:

20250218717

2025-07-03

EMITTER AND DEVICE COMPRISING SAME

20240371592

2024-11-07

OZONE-GENERATING APPARATUS

20230290603

2023-09-14

X-ray cathode focusing element

20230134647

2023-05-04

Electron emitting element and method for manufacturing same

20180277331

2018-09-27

Receptacle for receiving a plug connector of a high-voltage cable for a microfocus X-ray tube, plug connection for a high-voltage cable

20140270087

2014-09-18

X-ray generator including heat sink block

20140231409

2014-08-21

Method for heating object using sheet-shaped heat and light source

20130220990

2013-08-29

Method for making sheet-shaped heat and light source

20130169143

2013-07-04

Field emission light source device and manufacturing method thereof

#10

20090096346

2009-04-16

Sheet-shaped heat and light source

#11

20070096617

2007-05-03

Composition for forming insulating layer or electron emission source, and electron emission device including insulating layer or electron emission source formed using the composition

#12

16549210

2021-06-22

Electrochemical solid-state field-emission ion source