ClassID:

167743

G01N2021/1721 - CPC Classification

Classification description:

Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light; Systems in which incident light is modified in accordance with the properties of the material investigated with a modulation of one or more physical properties of the sample during the optical investigation, e.g. electro-reflectance Electromodulation

Recent Application in this class:
#1
20260043736
2026-02-12

STARK EFFECT POLARIZATION SPECTROSCOPY AND METHODS

#2
20260023011
2026-01-22

METHOD AND APPARATUS FOR DETERMINING SURFACE WAVE DATA IN LIQUIDS

#3
20250389641
2025-12-25

MEASUREMENT APPARATUS AND METHOD BASED ON PHOTON NUMBER RESOLVING DETECTOR

#4
20250258096
2025-08-14

PHASE MASKING FOR POLARIZATION AND OPTICAL SIGNAL CONTROL IN OPTICAL INSPECTION SYSTEMS

#5
20240426742
2024-12-26

IMAGING ELEMENT, IMAGING DEVICE, IMAGING SYSTEM, ASSOCIATED ANALYSIS METHOD AND MANUFACTURING METHOD

#6
20240102921
2024-03-28

OPTICAL INSPECTION APPARATUS

#7
20240085728
2024-03-14

Method for fabricating a liquid-crystal-based electro-optical light modulator using surface MEMS techniques for flat panel display inspection

#8
20240069006
2024-02-29

CONDUCTIVE AND TRANSPARENT INTERCONNECTION STRUCTURE, ASSOCIATED MANUFACTURING METHOD AND SYSTEM

#9
20220205909
2022-06-30

Device and method for analyzing a material

#10
20210396654
2021-12-23

Optical inspection apparatus

#11
20210291183
2021-09-23

Method and device for determining the concentration of analytes in whole blood

#12
20210190772
2021-06-24

ELECTRICALLY-MODULATED SURFACE WAVES AND AN ELECTRODE INTERFACE COMPRISING A METALLIC BILAYER

#13
20210172944
2021-06-10

Apparatus for analyzing and detecting interactions and reactions of molecules

#14
20210109083
2021-04-15

Apparatus, systems and methods for integrative photo-optical/mechanical test for noncontact measurement of polymerization

#15
20200057104
2020-02-20

FIELD-BIASED NONLINEAR OPTICAL METROLOGY USING CORONA DISCHARGE SOURCE

#16
20190361015
2019-11-28

Electrically-Modulated Biosensors Using Electro-Active Waveguides

#17
20190353637
2019-11-21

Apparatus, systems and methods for integrative photo-optical/mechanical test for noncontact measurement of polymerization

#18
20190004032
2019-01-03

Genetically encoded red fluorescent voltage sensors enabling millivolt-resolution and high-speed neural voltage imaging

#19
20180335381
2018-11-22

Device and method for analyzing a material

#20
20180328835
2018-11-15

Device and method for analyzing a material

#21
20180246045
2018-08-30

Optical methods for obtaining digital data to be used in determining, shaping or testing of semiconductor or anisotropic materials, or devices, under test through all stages of manufacture or development

#22
20170115201
2017-04-27

Method and device for drug screening

#23
20160195479
2016-07-07

Methods for obtaining and analyzing digital interferometric data for computer testing and developing semiconductor and anisotropic devices and materials

#24
20150041657
2015-02-12

Multiple beam transmission interferometric testing methods for the development and evaluation of subwavelength sized features within semiconductor and anisotropic devices

#25
20140252214
2014-09-11

Method and device for analysis of a fluid by means of evanescence field spectroscopy and dielectrophoresis

#26
20130337585
2013-12-19

Multiple optical wavelength interferometric testing methods for the development and evaluation of subwavelength sized features within semiconductor devices and materials, wafers, and monitoring all phases of development and manufacture

#27
20130075275
2013-03-28

Method and apparatus for simultaneous spectroelectrochemical analysis

#28
20120182552
2012-07-19

Optical sensor and method for detecting molecules

#29
20120167261
2012-06-28

High frequency deflection measurement of IR absorption

#30
20120127473
2012-05-24

Optically enhanced holographic interferometric testing methods for the development and evaluation of semiconductor devices, materials, wafers, and for monitoring all phases of development and manufacture

#31
20110136102
2011-06-09

Surface impedance imaging methods and apparatuses

#32
20110122415
2011-05-26

Methods for optically enhanced holographic interferometric testing for test and evaluation of semiconductor devices and materials

#33
20110037980
2011-02-17

Method and apparatus for measuring zeta potential of suspended particles

#34
20100290055
2010-11-18

System for measuring electro-optic coefficient by using interference fringe measurement, and method of measuring electro-optic coefficient by using the system

#35
20100267165
2010-10-21

Microelectronic sensor device for the detection of target particles

#36
20100201982
2010-08-12

Analytical method for optical measurement

#37
20100177301
2010-07-15

Characterization of non-linear optical materials using bragg coupling

#38
20090251695
2009-10-08

Optical measuring device

#39
20090109441
2009-04-30

Method and apparatus for enhancing waveguide sensor signal

#40
20080252898
2008-10-16

Method for optically testing semiconductor devices

#41
20070064235
2007-03-22

Surface-plasmon-resonance sensing technique using electro-optic modulation

#42
20060244974
2006-11-02

Method for optically testing semiconductor devices

#43
20050231733
2005-10-20

Non-destructive testing system using a laser beam

#44
18242916
2025-04-15

Super resolution and fast surface B-field imaging using an NV-diamond