ClassID:

164182

G01B9/02022 - CPC Classification

Classification description:

Instruments as specified in the subgroups and characterised by the use of optical measuring means; Interferometers characterised by the beam path configuration contacting one object by grazing incidence

Recent Application in this class:
#1
20260146850
2026-05-28

LATERAL SHEARING INTERFEROMETRY FOR SURFACE PROFILE MEASUREMENT OF PATTERN WAFERS

#2
20230168083
2023-06-01

SYSTEM FOR GENERATING A SIGNAL REPRESENTATIVE OF THE PROFILE OF A SURFACE MOVING RELATIVE TO THE SYSTEM

#3
20230168082
2023-06-01

SYSTEM FOR GENERATING A SIGNAL REPRESENTATIVE OF THE PROFILE OF A SURFACE MOVING RELATIVE TO THE SYSTEM

#4
20220011089
2022-01-13

WIDE FIELD-OF-VIEW MICHELSON FOR SHEAROGRAPHY

#5
20200096315
2020-03-26

Metrology and profilometry using light field generator

#6
20190128823
2019-05-02

Optical system and method for measurements of samples

#7
20190011247
2019-01-10

Method for phase resolved heterodyne shearographic measurements

#8
20180224266
2018-08-09

Method and apparatus for phase resolved heterodyne shearographic measurements

#9
20180217001
2018-08-02

Optical interferometer

#10
20180017372
2018-01-18

Precision surface measurement in a vacuum

#11
20170292833
2017-10-12

Apparatus for measuring three-dimensional shape using prism

#12
20160153764
2016-06-02

Three-DOF heterodyne grating interferometer displacement measurement system

#13
20150292870
2015-10-15

Displacement detecting device

#14
20150241201
2015-08-27

Grazing incidence interferometer

#15
20150226538
2015-08-13

GRAZING INCIDENCE INTERFEROMETER

#16
20150049337
2015-02-19

Grazing-incidence interferometer with dual-side measurement capability using a common image plane

#17
20140168637
2014-06-19

Simultaneous refractive index and thickness measurements with a monochromatic low-coherence interferometer

#18
20130335746
2013-12-19

Device for distance measurement

#19
20130250307
2013-09-26

Displacement detecting device

#20
20130107276
2013-05-02

Interferometric measuring device with detectors set at different angular ranges

#21
20130057872
2013-03-07

Device for determining distance interferometrically

#22
20130003152
2013-01-03

INTERFEROMETRY-BASED STRESS ANALYSIS

#23
20120327425
2012-12-27

Grazing incidence interferometer

#24
20110273719
2011-11-10

Optical imaging for optical device inspection

#25
20110235051
2011-09-29

Device for interferential distance measurement

#26
20110176139
2011-07-21

Measuring apparatus and exposure device

#27
20110032536
2011-02-10

Grazing incidence interferometer

#28
20110032504
2011-02-10

Height measurement apparatus, exposure apparatus, and device fabrication method

#29
20110032503
2011-02-10

Measurement apparatus for calculation of substrate tilt, exposure apparatus, and device fabrication method

#30
20110001982
2011-01-06

Optical imaging apparatus and method

#31
20100209832
2010-08-19

Measurement apparatus, exposure apparatus, and device fabrication method

#32
20100149548
2010-06-17

Reticle inspection systems and method

#33
20100060898
2010-03-11

Methods and systems for interferometric analysis of surfaces and related applications

#34
20100027028
2010-02-04

Oblique incidence interferometer

#35
20100014098
2010-01-21

Oblique incidence interferometer

#36
20090262323
2009-10-22

MEASUREMENT APPARATUS, EXPOSURE APPARATUS, AND DEVICE MANUFACTURING METHOD

#37
20090251670
2009-10-08

OPTICAL FEEDBACK FOR HIGH SPEED SCAN MIRROR

#38
20090096980
2009-04-16

Methods and systems for interferometric analysis of surfaces and related applications

#39
20080304079
2008-12-11

Displacement measurement sensor head and system having measurement sub-beams comprising zeroth order and first order diffraction components

#40
20080291457
2008-11-27

Optical displacement sensor

#41
20080252896
2008-10-16

Image forming apparatus for forming image on record medium

#42
20080180682
2008-07-31

Apparatus and method for joint measurements of conjugated quadratures of fields of reflected/scattered and transmitted beams by an object in interferometry

#43
20080163686
2008-07-10

Accelerometer comprising an optically resonant cavity

#44
20080068614
2008-03-20

Methods and systems for interferometric analysis of surfaces and related applications

#45
20080043222
2008-02-21

METHOD FOR BIOMOLECULAR SENSING AND SYSTEM THEREOF

#46
20080002212
2008-01-03

Oblique incidence interferometer

#47
20070211256
2007-09-13

Linear-carrier phase-mask interferometer

#48
20070109551
2007-05-17

Self referencing heterodyne reflectometer and method for implementing

#49
20070086013
2007-04-19

Interferometry method and system including spectral decomposition

#50
20070058173
2007-03-15

Position-measuring device

#51
20070024868
2007-02-01

Interferometers for optical coherence domain reflectometry

#52
20060250620
2006-11-09

Apparatus and method of in situ and ex situ measurement of spatial impulse response of an optical system using phase-shifting point-diffraction interferometry

#53
20060244975
2006-11-02

Interferometer calibration methods and apparatus

#54
20060227340
2006-10-12

Position sensing apparatus, and position sensing method

#55
20060092429
2006-05-04

Catoptric and catadioptric imaging systems with pellicle and aperture-array beam-splitters and non-adaptive and adaptive catoptric surfaces

#56
20060072204
2006-04-06

Catoptric and catadioptric imaging systems with pellicle and aperture-array beam-splitters and non-adaptive and adaptive catoptric surfaces

#57
20060066873
2006-03-30

Catoptric imaging systems comprising pellicle and/or aperture-array beam-splitters and non-adaptive and/or adaptive catoptric surfaces

#58
20060033924
2006-02-16

Apparatus and method for joint and time delayed measurements of components of conjugated quadratures of fields of reflected/scattered and transmitted/scattered beams by an object in interferometry

#59
20060017934
2006-01-26

Interferometer calibration methods and apparatus

#60
20050259268
2005-11-24

Heterodyne laser interferometer for measuring wafer stage translation

#61
20050206909
2005-09-22

Method and apparatus for enhanced resolution of high spatial frequency components of images using standing wave beams in non-interferometric and interferometric microscopy

#62
20050117169
2005-06-02

Polarization-dependent grating interferometer for measuring optical profile depth and spectral properties of a sample

#63
20050111007
2005-05-26

Catoptric and catadioptric imaging system with pellicle and aperture-array beam-splitters and non-adaptive and adaptive catoptric surfaces

#64
20050078319
2005-04-14

Surface profiling using an interference pattern matching template

#65
20050078318
2005-04-14

Methods and systems for interferometric analysis of surfaces and related applications

#66
20050068540
2005-03-31

Triangulation methods and systems for profiling surfaces through a thin film coating

#67
20050057757
2005-03-17

Low coherence grazing incidence interferometry for profiling and tilt sensing

#68
20050046866
2005-03-03

Surface inspection apparatus

#69
20050046865
2005-03-03

Pixelated phase-mask interferometer

#70
20050046863
2005-03-03

Common optical-path testing of high-numerical-aperture wavefronts

#71
20050030548
2005-02-10

Interferometric optical apparatus and method for measurements