H01J23/087 - CPC Classification Index

ClassID:

204868 ⎘

H01J23/087 - CPC Classification

Classification description:

Details of transit-time tubes of the types covered by group; Electrodes; Magnetic control means; Screens; Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream Magnetic focusing arrangements

Sub-classes:

H01J23/0873 » {with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing} 2
H01J23/0876 » {with arrangements improving the linearity and homogeniety of the axial field, e.g. field straightener} 2

Recent Application in this class:

20250364202

2025-11-27

KLYSTRON

20250095945

2025-03-20

ELECTRON GUN AND VACUUM ELECTRONIC DEVICE

20250070736

2025-02-27

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

20220399178

2022-12-15

Microwave tube and method for controlling the same

20200058460

2020-02-20

Microwave amplification device including a microwave electron tube having a getter that can be controlled

20180286622

2018-10-04

Electron gun, electron tube and high-frequency circuit system

20170140892

2017-05-18

Traveling wave tube and high-frequency circuit system

20160078992

2016-03-17

Compact magnet system for a high-power millimeter-wave gyrotron

20150060052

2015-03-05

Sheet beam klystron (SBK) amplifiers with wrap-on solenoid for stable operation

#10

20110121194

2011-05-26

CONTROLLED TRANSPORT SYSTEM FOR AN ELLIPTIC CHARGED-PARTICLE BEAM

#11

20080157677

2008-07-03

Multi-beam klystron apparatus

#12

20080100384

2008-05-01

Multi-beam klystron apparatus

#13

20060290452

2006-12-28

Non-axisymmetric periodic permanent magnet focusing system

#14

20060181186

2006-08-17

Pivotable magnetic assembly for allowing insertion or removal of a linear beam tube

#15

20050167608

2005-08-04

Method and apparatus for magnetic focusing of off-axis electron beam