Patents-Review.com
ClassID:

164199 ⎘

G01B9/02042 - CPC Classification

Classification description:

Instruments as specified in the subgroups and characterised by the use of optical measuring means; Interferometers characterised by particular imaging or detection techniques Confocal imaging

Recent Application in this class:
#1
20250314475
2025-10-09

Low-Bulk Interferometric Sensor

 #2
20250102289
2025-03-27

METHODS AND SYSTEMS FOR CONFOCAL FUNCTION DETERMINATION AND CORRECTION IN AN OCT IMAGING SYSTEM

 #3
20240271922
2024-08-15

OPTICAL MEASUREMENT APPARATUS AND METHOD OF MEASURING AN AXIAL LENGTH

 #4
20240230312
2024-07-11

OPTICAL MEASUREMENT APPARATUS AND METHOD OF RAPID MEASUREMENT

 #5
20240068797
2024-02-29

Broadband interferometric confocal microscope

 #6
20220155053
2022-05-19

Sensor head

 #7
20210164769
2021-06-03

Wafer carrier thickness measuring device

 #8
20200378743
2020-12-03

Method and assembly for chromatic confocal spectral interferometry or spectral domain oct

 #9
20200240765
2020-07-30

Systems and methods for optimizing focus for imaging-based overlay metrology

 #10
20200225115
2020-07-16

Device and method for measuring lens contour based on laser wave number scanning

 #11
20190277621
2019-09-12

Optical measuring device

 #12
20190265024
2019-08-29

Sample shape measuring apparatus for calculating a shape of a sample disposed between an illumination optical system and an observation optical system

 #13
20190170655
2019-06-06

Sub-resolution defect detection

 #14
20190033054
2019-01-31

Confocal microscope for determination of a layer thickness and microscopy method for determination of a layer thickness

 #15
20180292198
2018-10-11

Systems and methods for optimizing focus for imaging-based overlay metrology

 #16
20180084993
2018-03-29

Hybrid telescope for optical beam delivery and related systems

 #17
20180017371
2018-01-18

Interference observation device and interference observation method

 #18
20170356735
2017-12-14

Interference observation device

 #19
20170153434
2017-06-01

Portable interferometric device

 #20
20160116271
2016-04-28

Multi-functioned optical measurement device and method for optically measuring a plurality of parameters

 #21
20150055215
2015-02-26

Differential filtering chromatic confocal microscopic system

 #22
20150054937
2015-02-26

Light microscope and method for image recording using a light microscope

 #23
20140354950
2014-12-04

Hybrid telescope for optical beam delivery and related systems and methods

 #24
20110310395
2011-12-22

Three-dimensional optical coherence tomography confocal imaging apparatus

 #25
20110235045
2011-09-29

Method and apparatus for interferometry

 #26
20110211199
2011-09-01

Device and method for acquiring position with a confocal Fabry-Perot interferometer

 #27
20100149546
2010-06-17

Optical object measurement apparatus

 #28
20100141954
2010-06-10

Optical coherence tomography apparatus

 #29
20080285049
2008-11-20

Heterodyne interferometer device for optically measuring an object

 #30
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

 #31
20080158550
2008-07-03

Spectral Imaging Camera and Applications

 #32
20080151253
2008-06-26

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

 #33
20070070352
2007-03-29

Device and method for the non-invasive detection and measurement of the properties of a medium

 #34
20050275848
2005-12-15

Apparatus and methods for overlay, alignment mark, and critical dimension metrologies based on optical interferometry

 #35
18984931
2025-08-26

Optical fiber-typed spectral confocal coherence tomography optical system and application thereof