ClassID:

204525

H01J3/18 - CPC Classification

Classification description:

Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps; Arrangements for focusing or reflecting ray or beam Electrostatic lenses

Recent Application in this class:
#1
20170250051
2017-08-31

Robust electrode with septum rod for biased X-ray tube cathode

#2
20160293375
2016-10-06

Electron gun and radiation generating apparatus

#3
20150117617
2015-04-30

X-ray tube

#4
20140346368
2014-11-27

Gun configured to generate charged particles

#5
20140224999
2014-08-14

Electrostatic lens and charged particle beam apparatus using the same

#6
20140212815
2014-07-31

Charged particle lithography system with a long shape illumination beam

#7
20140197325
2014-07-17

CHARGED PARTICLE BEAM LENS AND EXPOSURE APPARATUS USING THE SAME

#8
20140175301
2014-06-26

Ion source, nanofabrication apparatus comprising such source, and a method for emitting ions

#9
20140175300
2014-06-26

Enhanced integrity projection lens assembly

#10
20140077096
2014-03-20

ELECTROSTATIC LENS UNIT

#11
20140034845
2014-02-06

Charged Particle Optics with Azimuthally-Varying Third-Order Aberrations for Generation of Shaped Beams

#12
20130341526
2013-12-26

Electrostatic lens array

#13
20130306878
2013-11-21

Electrode of electrostatic lens and method of manufacturing the same

#14
20130256527
2013-10-03

HYBRID ELECTROSTATIC LENS FOR IMPROVED BEAM TRANSMISSION

#15
20130256526
2013-10-03

Hybrid electrostatic lens for improved beam transmission

#16
20130206999
2013-08-15

Charged particle beam lens and charged particle beam exposure apparatus

#17
20130087717
2013-04-11

Electrostatic lens

#18
20120126697
2012-05-24

Crossover point regulation method for electro-static focusing systems

#19
20110068675
2011-03-24

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

#20
20100277053
2010-11-04

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

#21
20100117510
2010-05-13

Apparatus and method for generating femtosecond electron beam

#22
20080203881
2008-08-28

Micro-column with simple structure

#23
20050266322
2005-12-01

Electron beam lens for micro-column electron beam apparatus and method of fabricating the same

#24
20050263712
2005-12-01

Electron beam lens for micro-column electron beam apparatus and method of fabricating the same

#25
20050087696
2005-04-28

Electron beam lens for micro-column electron beam apparatus and method of fabricating the same