H01J29/58 - CPC Classification Index

ClassID:

205039 ⎘

H01J29/58 - CPC Classification

Classification description:

Details of cathode-ray tubes or of electron-beam tubes of the types covered by group; Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement Arrangements for focusing or reflecting ray or beam

Sub-classes:

H01J29/585 » {in which the transit time of the electrons has to be taken into account} 0
H01J29/60 » Mirrors 1
H01J29/62 » Electrostatic lenses 25
H01J29/64 » Magnetic lenses 6

Recent Application in this class:

20240170248

PARTICLE BEAM SYSTEM

20230122253

EXTREME-ULTRAVIOLET LIGHT SOURCE DEVICE USING ELECTRON BEAMS

20180294133

Devices and methods for enhancing the collection of electrons

20160379793

BEAM FOCUSING AND ACCELERATING SYSTEM

20160225573

Focusing structures with non-rectilinear focusing apertures

20160056007

Triode hollow cathode electron gun for linear particle accelerators

20160056006

Systems and methods utilizing a triode hollow cathode electron gun for linear particle accelerators

20150084502

Voltage supply for electrical focusing of electron beams

20140169530

X-ray tube with adjustable electron beam

20140034828

Ion carpet for mass spectrometry having progressive electrodes

20130336459

Field emission X-ray tube and method of focusing electron beam using the same

20080203887

Electron emitting structure by field effect, with emission focussing

14977110

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