ClassID:

205230

H01J37/21 - page 2 - CPC Classification

Classification description:

Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof; Details Means for adjusting the focus

Recent Application in this class:
#301
20070210041
2007-09-13

Automatic focusing of electron beams using a modified Faraday cup diagnostic

#302
20070200947
2007-08-30

Focus adjustment method and focus adjustment apparatus

#303
20070187599
2007-08-16

Charged particle beam apparatus, charged particle beam focusing method, microstructure measuring method, microstructure inspecting method, semiconductor device manufacturing method, and program

#304
20070164215
2007-07-19

Method and device for distance measurement

#305
20070125956
2007-06-07

Particle-optical projection system

#306
20070109557
2007-05-17

Method for optically detecting height of a specimen and charged particle beam apparatus using the same

#307
20070069127
2007-03-29

Apparatus and method for electron beam inspection with projection electron microscopy

#308
20070023657
2007-02-01

Charged particle beam apparatus

#309
20060284088
2006-12-21

Focus correction method for inspection of circuit patterns

#310
20060284081
2006-12-21

Method and apparatus for arranging recipe of scanning electron microscope and apparatus for evaluating shape of semiconductor device pattern

#311
20060255273
2006-11-16

Transmission electron microscope

#312
20060226376
2006-10-12

Sample milling/observing apparatus and method of observing sample

#313
20060219918
2006-10-05

Sample electrification measurement method and charged particle beam apparatus

#314
20060151700
2006-07-13

Scanning electron microscope and method for detecting an image using the same

#315
20060151698
2006-07-13

Charged particle beam apparatus

#316
20060151696
2006-07-13

Electron microscope and a method of imaging objects

#317
20060071166
2006-04-06

Charged particle beam apparatus and dimension measuring method

#318
20060060789
2006-03-23

Focusing system and method for a charged particle imaging system

#319
20060049364
2006-03-09

Method and system for focusing a charged particle beam

#320
20060043294
2006-03-02

Scanning electron microscope

#321
20060043293
2006-03-02

Charged particle beam adjustment method and apparatus

#322
20060016990
2006-01-26

Charged particle beam apparatus

#323
20050258366
2005-11-24

Scanning electron microscope and a method for adjusting a focal point of an electron beam of said scanning electron microscope

#324
20050247884
2005-11-10

Automated method of correcting aberrations in electron beam, method of visualizing aberrations, and automated aberration corrector

#325
20050242286
2005-11-03

Electron beam apparatus and method with surface height calculator and a dual projection optical unit

#326
20050236570
2005-10-27

Charged particle beam adjusting method and charged particle beam apparatus

#327
20050201246
2005-09-15

Particle-optical projection system

#328
20050194533
2005-09-08

Method of observing a specimen using a scanning electron microscope

#329
20050184237
2005-08-25

Charged particle beam apparatus

#330
20050161600
2005-07-28

Sample electrification measurement method and charged particle beam apparatus

#331
20050127293
2005-06-16

Auto focusing apparatus and method

#332
20050045831
2005-03-03

Method for performing focusing in a particle-optical device with the aid of astigmatism in the particle beam

#333
20050035290
2005-02-17

Automatic methods for focus and astigmatism corrections in charged-particle beam instrument

#334
20050017192
2005-01-27

System and method for fast focal length alterations

#335
16007236
2019-11-05

Methods of operating particle microscopes and particle microscopes

#336
15246421
2018-03-13

Method of operating a charged particle microscope and charged particle microscope operating according to such method

#337
15185920
2017-08-22

Multi-beam electron microscope for electron channeling contrast imaging of semiconductor material

#338
15162389
2018-08-21

Scanning UV light source utilizing semiconductor heterostructures

#339
14742505
2018-01-30

Gallium beam lithography for superconductive structure formation

#340
14228391
2016-09-06

Method of operating a charged particle microscope and charged particle microscope operating according to such method

#341
14196697
2014-11-04

Pattern measurement apparatus and pattern measurement method