Patents-Review.com
ClassID:

204862 ⎘

H01J23/06 - CPC Classification

Classification description:

Details of transit-time tubes of the types covered by group; Electrodes; Magnetic control means; Screens Electron or ion guns

Sub-classes:
Recent Application in this class:
#1
20260038760
2026-02-05

MAGNETO-ELECTROSTATIC SENSING, FOCUSING, AND STEERING OF ELECTRON BEAMS IN VACUUM ELECTRON DEVICES

 #2
20250182994
2025-06-05

MULTI-LAYER VACUUM ELECTRON DEVICE AND METHOD OF MANUFACTURE

 #3
20250095945
2025-03-20

ELECTRON GUN AND VACUUM ELECTRONIC DEVICE

 #4
20250070736
2025-02-27

Travelling-Wave Tube, Electron Gun, and Power Amplification System

 #5
20240258061
2024-08-01

MAGNETO-ELECTROSTATIC SENSING, FOCUSING, AND STEERING OF ELECTRON BEAMS IN VACUUM ELECTRON DEVICES

 #6
20240242916
2024-07-18

Multi-layer vacuum electron device and method of manufacture

 #7
20230343542
2023-10-26

TRAVELING WAVE TUBE

 #8
20220399178
2022-12-15

Microwave tube and method for controlling the same

 #9
20220157550
2022-05-19

Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices

 #10
20220157549
2022-05-19

Multi-layer vacuum electron device and method of manufacture

 #11
20190272968
2019-09-05

Methods and devices for producing an electron beam

 #12
20190057830
2019-02-21

Electron gun adjustment in a vacuum

 #13
20190057829
2019-02-21

Electron gun thermal dissipation in a vacuum

 #14
20180294132
2018-10-11

Equilibration of a multibeam inductive output tube

 #15
20180287329
2018-10-04

Apparatus and methods for generating and enhancing Smith-Purcell radiation

 #16
20180286622
2018-10-04

Electron gun, electron tube and high-frequency circuit system

 #17
20160148773
2016-05-26

Ferroelectric emitter for electron beam emission and radiation generation

 #18
20160056007
2016-02-25

Triode hollow cathode electron gun for linear particle accelerators

 #19
20140077695
2014-03-20

Supercharged electron source in a signal emission system

 #20
20130134324
2013-05-30

Compact high-voltage electron gun

 #21
20120119183
2012-05-17

FABRICATION OF AN INTEGRATED TERAHERTZ SOURCE USING FIELD EMITTER ARRAY WITH GRATING STRUCTURE

 #22
20110304283
2011-12-15

High average current, high quality pulsed electron injector

 #23
20110006678
2011-01-13

Hollow beam electron gun for use in a klystron

 #24
20100045160
2010-02-25

MULTIBEAM DOUBLY CONVERGENT ELECTRON GUN

 #25
20080238325
2008-10-02

Advanced multipurpose pseudospark switch having a hollow cathode with a planar spiral electrode and an aperture

 #26
20080157677
2008-07-03

Multi-beam klystron apparatus

 #27
20080084153
2008-04-10

Electron gun and magnetic circuit for an improved THz electromagnetic source

 #28
20080042073
2008-02-21

Apparatus and method for trajectory modulation of an electron beam

 #29
20070181833
2007-08-09

Secondary emission electron gun using external primaries

 #30
20070057611
2007-03-15

Electron gun providing improved thermal isolation

 #31
20060279219
2006-12-14

Collector arrangement

 #32
20060033417
2006-02-16

Secondary emission electron gun using external primaries

 #33
20060022598
2006-02-02

Field emission cathode gating for RF electron guns and planar focusing cathodes

 #34
20060006807
2006-01-12

Field emission cathode gating for RF electron guns and planar focusing cathodes

 #35
20060001360
2006-01-05

Cold-cathode electron source, microwave tube using it, and production method thereof

 #36
20050189881
2005-09-01

Collector arrangement

 #37
16376947
2020-06-02

Sheet beam electron gun using axially-symmetric spherical cathode

 #38
15414535
2017-11-14

Coaxial amplifier device

 #39
14977110
2016-11-22

Electron beam gun with kinematic coupling for high power RF vacuum devices

 #40
13032488
2014-05-27

Stable cold field emission electron source