Patents-Review.com
ClassID:

205042 ⎘

H01J29/62 - 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 Electrostatic lenses

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
20240258061
2024-08-01

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

 #4
20240242916
2024-07-18

Multi-layer vacuum electron device and method of manufacture

 #5
20220157550
2022-05-19

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

 #6
20220157549
2022-05-19

Multi-layer vacuum electron device and method of manufacture

 #7
20210305002
2021-09-30

Field emission device

 #8
20210125805
2021-04-29

Electron gun and manufacturing method therefor

 #9
20200144015
2020-05-07

Device for generating a source current of charge carriers

 #10
20190074154
2019-03-07

Multi-grid electron gun with single grid supply

 #11
20180374669
2018-12-27

Electron transparent membrane for cold cathode devices

 #12
20180174792
2018-06-21

Device for generating a source current of charge carriers

 #13
20180158640
2018-06-07

Field emission apparatus

 #14
20170365438
2017-12-21

Compact modular cathode

 #15
20150206698
2015-07-23

Image capture device

 #16
20150187533
2015-07-02

Cathode arrangement, electron gun, and lithography system comprising such electron gun

 #17
20150179388
2015-06-25

Limiting migration of target material

 #18
20150117617
2015-04-30

X-ray tube

 #19
20140292183
2014-10-02

Streak tube and streak device including same

 #20
20140212815
2014-07-31

Charged particle lithography system with a long shape illumination beam

 #21
20130334437
2013-12-19

ELECTROSTATIC LENS AND METHOD OF MANUFACTURING THE SAME

 #22
20120126697
2012-05-24

Crossover point regulation method for electro-static focusing systems

 #23
20110068675
2011-03-24

Multiple device shaping uniform distribution of current density in electro-static focusing systems

 #24
20100277053
2010-11-04

Multiple device shaping uniform distribution of current density in electro-static focusing systems

 #25
20060250068
2006-11-09

Focusing lens structure for a cathode ray tube electron gun

 #26
20060125403
2006-06-15

Display device having an electron gun with pre-focusing lens portion

 #27
20060055306
2006-03-16

Cathode-ray tube having an electron gun with an improved main focus lens