H01J19/44 - CPC Classification Index

ClassID:

204815 ⎘

H01J19/44 - CPC Classification

Classification description:

Details of vacuum tubes of the types covered by group; 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:

20240312754

2024-09-19

Composite Electron Beam Vacuum Tube

20210159039

2021-05-27

Device for controlling electron flow and method for manufacturing said device

20210142999

2021-05-13

Orthogonal acceleration time-of-flight mass spectrometer and lead-in electrode for the same

20200388460

2020-12-10

Device for controlling electron flow and method for manufacturing said device

20200075286

2020-03-05

Suspended grid structures for electrodes in vacuum electronics

20190341216

2019-11-07

Suspended grid structures for electrodes in vacuum electronics

20190027334

2019-01-24

Suspended grid structures for electrodes in vacuum electronics

20180005792

2018-01-04

Method for manufacturing a trench channel for vacuum transistor device and vacuum transistor device

20170084417

2017-03-23

Electron emitting device using graphene and method for manufacturing same

#10

20140270087

2014-09-18

X-ray generator including heat sink block