ClassID:

164412

G01B2290/15 - CPC Classification

Classification description:

Aspects of interferometers not specifically covered by any group under Cat eye, i.e. reflection always parallel to incoming beam

Recent Application in this class:
#1
20250164234
2025-05-22

Line-field OCT System with Multi Transverse Mode Laser

#2
20240418497
2024-12-19

Relative intensity noise Cat's-eye swept source laser for OCT and spectroscopy

#3
20190257645
2019-08-22

Interferometric position sensor

#4
20190187660
2019-06-20

Spatial accuracy correction method and apparatus

#5
20150177410
2015-06-25

Gradiometer and method of changing an optical path length to directly obtain a value of a gradient of gravity

#6
20150043005
2015-02-12

Interferometric heterodyne optical encoder system

#7
20120307258
2012-12-06

Method and arrangement for robust interferometry for detecting a feature of an object

#8
20120229814
2012-09-13

Method of measuring a shape of an optical surface based on computationally combined surface region measurements and interferometric measuring device

#9
20120212747
2012-08-23

APPARATUS AND METHOD OF MEASURING SHAPE

#10
20120194824
2012-08-02

Interferometric heterodyne optical encoder system

#11
20120140241
2012-06-07

Optical system, in particular in a microlithographic projection exposure apparatus

#12
20120127477
2012-05-24

Interferometer and distance calculation method therefor

#13
20120002188
2012-01-05

Optical distance-measuring device

#14
20110157595
2011-06-30

Rotary Interferometer

#15
20100238456
2010-09-23

Interferometer

#16
20100141957
2010-06-10

Laser interferometer system for measuring roll angle

#17
20100091296
2010-04-15

Interferometer system for monitoring an object

#18
20100027026
2010-02-04

Displacement measuring instrument and displacement measuring method

#19
20090310105
2009-12-17

Optical member, interferometer system, stage apparatus, exposure apparatus, and device manufacturing method

#20
20090237674
2009-09-24

Method for estimating distance between tracking type laser interferometer and target, and tracking type laser interferometer

#21
20090219546
2009-09-03

Interferometric Gravity Sensor

#22
20090135430
2009-05-28

Systems and Methods for Reducing Nonlinearity in an Interferometer

#23
20090079990
2009-03-26

Homodyne laser interferometer probe and displacement measurement system using the same

#24
20080316497
2008-12-25

Tracking type laser interferometer and method for resetting the same

#25
20080304079
2008-12-11

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

#26
20080259311
2008-10-23

Measurement method and measurement apparatus using tracking type laser interferometer

#27
20080180683
2008-07-31

Optical coherence tomography implementation apparatus and method of use

#28
20080165347
2008-07-10

Interferometer system for monitoring an object

#29
20080151253
2008-06-26

Method and assembly for confocal, chromatic, interferometric and spectroscopic scanning of optical, multi-layer data memories

#30
20080117436
2008-05-22

Method of manufacturing an optical element

#31
20080117428
2008-05-22

Multi-axis interferometers and methods and systems using multi-axis interferometers

#32
20080062433
2008-03-13

Measuring apparatus sensitive to rotational but not translational or vibrational movement

#33
20080049211
2008-02-28

Optical-axis deflection type laser interferometer, calibration method thereof, correcting method thereof, and measuring method thereof

#34
20070171425
2007-07-26

Interferometer system for monitoring an object

#35
20070109552
2007-05-17

Optical interferometer

#36
20070086016
2007-04-19

Interferometer using integrated retarders to reduce physical volume

#37
20060268281
2006-11-30

Rotation and translation measurement

#38
20060262402
2006-11-23

Phase-compensated cube corner in laser interferometry

#39
20060262315
2006-11-23

Position-measuring device for determining the position of two objects movable with respect to each other along a measuring direction, and method for forming a reference pulse for such a position-measuring device

#40
20060187464
2006-08-24

Interferometry systems and methods of using interferometry systems

#41
20060082783
2006-04-20

Position detection apparatus and method

#42
20060039006
2006-02-23

Polarizing beam splitter device, interferometer module, lithographic apparatus, and device manufacturing method

#43
20060017933
2006-01-26

Heterodyne laser interferometer with porro prisms for measuring stage displacement

#44
20060001888
2006-01-05

Coating for reflective optical components

#45
20050264823
2005-12-01

Systems using polarization-manipulating retroreflectors

#46
20050248772
2005-11-10

Interferometry systems and methods of using interferometry systems

#47
20050237536
2005-10-27

Interferometry systems and methods of using interferometry systems

#48
20050168750
2005-08-04

MEASUREMENT SYSTEM FOR DETERMINING THE THICKNESS OF A LAYER DURING A PLATING PROCESS

#49
20050146727
2005-07-07

Multi-axis interferometers and methods and systems using multi-axis interferometers

#50
20050128589
2005-06-16

Phase-compensated cube corner in laser interferometry

#51
20050041254
2005-02-24

System for rotation measurement with laser interferometry

#52
20050018205
2005-01-27

Position measuring device