ClassID:

164419

G01B2290/50 - CPC Classification

Classification description:

Aspects of interferometers not specifically covered by any group under Pupil plane manipulation, e.g. filtering light of certain reflection angles

Recent Application in this class:
#1
20240003672
2024-01-04

SINGLE FRAME-TILTED WAVE INTERFEROMETER

#2
20220412720
2022-12-29

Method for compensation during the process of wavefront reconstruction in grating-based lateral shearing interferometry

#3
20190234729
2019-08-01

System and method for a displacement measurement

#4
20190154427
2019-05-23

Measuring device for interferometric determination of a shape of an optical surface

#5
20180328711
2018-11-15

Interferometer using tilted object waves and comprising a Fizeau interferometer objective

#6
20180156597
2018-06-07

Scanning white-light interferometry system for characterization of patterned semiconductor features

#7
20180003484
2018-01-04

System and method for a displacement measurement

#8
20170363414
2017-12-21

Edge registration for interferometry

#9
20150109623
2015-04-23

True-spectroscopic dual mode high resolution full-field optical coherence tomography using liquid crystal devices

#10
20150049343
2015-02-19

Portable interferometric device

#11
20130155414
2013-06-20

Measuring apparatus including multi-wavelength interferometer

#12
20130100458
2013-04-25

Multi-wavelength interferometer, measurement apparatus, and measurement method

#13
20130010283
2013-01-10

Optical coherence microscopy system having a filter for suppressing a specular light contribution

#14
20100265516
2010-10-21

Interferometer and method for measuring characteristics of optically unresolved surface features

#15
20090021723
2009-01-22

Generating model signals for interferometry

#16
20090015844
2009-01-15

Interferometry method for ellipsometry, reflectometry, and scatterometry measurements, including characterization of thin film structures

#17
20080266574
2008-10-30

Interferometer and method for measuring characteristics of optically unresolved surface features

#18
20080180694
2008-07-31

Scanning interferometry for thin film thickness and surface measurements

#19
20080065350
2008-03-13

Profiling complex surface structures using scanning interferometry

#20
20080049233
2008-02-28

Multiple-angle multiple-wavelength interferometer using high-NA imaging and spectral analysis

#21
20070247637
2007-10-25

Interferometry method for ellipsometry, reflectometry, and scatterometry measurements, including characterization of thin film structures

#22
20070229833
2007-10-04

High-sensitivity surface detection system and method

#23
20070097380
2007-05-03

Profiling complex surface structures using height scanning interferometry

#24
20070081167
2007-04-12

Interferometry method for ellipsometry, reflectometry, and scatterometry measurements, including characterization of thin film structures

#25
20070046953
2007-03-01

Interferometer and method for measuring characteristics of optically unresolved surface features

#26
20060203251
2006-09-14

Simultaneous phase-shifting fizeau interferometer

#27
20050088663
2005-04-28

Scanning interferometry for thin film thickness and surface measurements

#28
20050073692
2005-04-07

Profiling complex surface structures using scanning interferometry

#29
20050046864
2005-03-03

Simultaneous phase-shifting Fizeau interferometer