H01J29/82 - CPC Classification Index

ClassID:

205070 ⎘

H01J29/82 - 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 Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements

Sub-classes:

H01J29/823 » {around the neck of the tube} 0

Recent Application in this class:

20250062644

TIMESCALE POWER BEAMING TRANSCEIVER ENERGY STORAGE DEVICES

20210142999

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

20200381236

Mass spectrometer

20180233316

ELECTRON BEAM PROJECTOR WITH LINEAR THERMAL CATHODE

20170296844

Beam position monitors for medical radiation machines

20130336459

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

20090066246

Display device having electron emission sources

20070108883

Unified magnetic shielding of tensioned mask/frame assembly and internal magnetic shield

20060255708

Tension mask frame for a cathode-ray tube (crt) having transverse scan

20060226756

Mask assembly for cathode ray tube (CRT)

20060022571

Cathode ray tube

20060001348

Cathode ray tube

20050122026

Deflection device for a cathode-ray tube