ClassID:

168048

G01N21/67 - 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 the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence using electric arcs or discharges

Recent Application in this class:
#1
20250347627
2025-11-13

APPARATUS FOR DETECTING RESPIRATORY VIRUSES IN REAL TIME

#2
20250283828
2025-09-11

SPARK STAND FOR OPTICAL EMISSION SPECTROMETRY WITH IMPROVED DUST REMOVAL

#3
20250159789
2025-05-15

SYSTEM AND METHOD FOR SPECTROMETRY OF A SAMPLE IN A PLASMA

#4
20250146944
2025-05-08

EXCHANGEABLE SPARK UNIT, SYSTEM AND CALIBRATION METHOD

#5
20250123213
2025-04-17

MONITORING OF HF IN BUFFERED HYDROFLUORIC ACID (BHF)

#6
20250044233
2025-02-06

CIRCUIT ADAPTIVE ZERO-VOLTAGE SWITCHING CONTROL METHOD BASED ON SWITCH TRANSISTOR ELECTROLUMINESCENCE, ELECTROLUMINESCENCE DETECTION CIRCUIT, AND ASSEMBLY STRUCTURE THEREOF

#7
20240344994
2024-10-17

MAGNETIC CONFINEMENT OF ARC DISCHARGE MIGRATION IN SPARK OES SYSTEMS

#8
20240264146
2024-08-08

A DEVICE FOR DETECTING HEALTH DISORDERS FROM BIOLOGICAL SAMPLES AND A DETECTION PROCESS

#9
20240210433
2024-06-27

Ultra-high-speed fully automatic precision spectral analysis system for rare earth metals and working method thereof

#10
20240196508
2024-06-13

Vacuum feedthrough, electrode assembly, and device for generating a silent plasma discharge

#11
20240159680
2024-05-16

Spark spectrometry for inclusions content distribution on the surface of large size metallic materials

#12
20240003817
2024-01-04

SPARK STAND ASSEMBLY FOR AN OPTICAL EMISSION SPECTROSCOPY INSTRUMENT

#13
20230349832
2023-11-02

HIGH SPECTRAL AND TEMPORAL RESOLUTION GLOW DISCHARGE SPECTROMETRY DEVICE AND METHOD

#14
20230280277
2023-09-07

GAS ANALYZER

#15
20230184106
2023-06-15

Downhole optical emission spectroscopy

#16
20230101792
2023-03-30

COMPOSITE OPTICAL FIBRE BASED PLASMA GENERATION DEVICE

#17
20230059823
2023-02-23

Solution glow discharge plasma chamber with lens

#18
20230059048
2023-02-23

Solution glow discharge plasma chamber with ventilation

#19
20220333990
2022-10-20

Spark stand and method of maintenance

#20
20220291702
2022-09-15

Optical emission spectroscopy control of gas flow in processing chambers

#21
20220252517
2022-08-11

Emission-based detector for capillary gas chromatography

#22
20220205922
2022-06-30

Apparatus and method for preparing glow discharge sputtering samples for material microscopic characterization

#23
20220155217
2022-05-19

Improved Spark Stand for Optical Emission Spectrometry

#24
20220026373
2022-01-27

Methods and systems for inclusion analysis

#25
20220026367
2022-01-27

PATHOGEN SCREENING USING OPTICAL EMISSION SPECTROSCOPY (OES)

#26
20220007490
2022-01-06

Generator for spectrometry

#27
20210310956
2021-10-07

Glow plasma gas measurement signal processing

#28
20210285820
2021-09-16

Spark emission spectrometer with separable spark chamber

#29
20210223182
2021-07-22

Liquid electrode tip

#30
20210199590
2021-07-01

Systems and methods for measuring a temperature of a gas

#31
20210156805
2021-05-27

Plasma-based detector and methods using the same for measuring and monitoring properties of a gas flow

#32
20210131971
2021-05-06

Apparatus for analyzing the elemental composition of a liquid sample and methods of using the same

#33
20210109026
2021-04-15

Multi-electrode/multi-modal atmospheric pressure glow discharge plasma ionization device

#34
20210098245
2021-04-01

Atmospheric-pressure ionization and fragmentation of molecules for structural elucidation

#35
20200348237
2020-11-05

GAS ANALYZER

#36
20200348220
2020-11-05

PARTICLE DETECTION DEVICE

#37
20200343074
2020-10-29

GLOW PLASMA STABILIZATION

#38
20200309715
2020-10-01

Methods and systems for inclusion analysis

#39
20200300769
2020-09-24

Spark emission spectrometer and method for operating same

#40
20200141873
2020-05-07

METAL-ANTIBODY TAGGING AND PLASMA-BASED DETECTION

#41
20200141872
2020-05-07

Discharge detection system and discharge detection method

#42
20200132606
2020-04-30

SYSTEMS AND METHODS FOR RAPID ELEMENTAL ANALYSIS OF AIRBORNE PARTICLES USING ATMOSPHERIC GLOW DISCHARGE OPTICAL EMISSION SPECTROSCOPY

#43
20200116642
2020-04-16

Method and device for spectral analysis of a chemical composition of molten metals

#44
20200057104
2020-02-20

FIELD-BIASED NONLINEAR OPTICAL METROLOGY USING CORONA DISCHARGE SOURCE

#45
20200049629
2020-02-13

METAL-ANTIBODY TAGGING AND PLASMA-BASED DETECTION

#46
20200049560
2020-02-13

Optical emission spectroscopy system, method of calibrating the same, and method of fabricating semiconductor device

#47
20190331606
2019-10-31

Plasma spectroscopy analysis method

#48
20190178591
2019-06-13

HYDROPHILIC FILM, AND HEAT EXCHANGER FIN AND HEAT EXCHANGER USING THE HYDROPHILIC FILM

#49
20190101493
2019-04-04

Reduction of molecular background emission and sample matrix management in a solution cathode glow discharge

#50
20190019734
2019-01-17

Optical emission spectroscopic techniques for monitoring etching

#51
20180372646
2018-12-27

Solution cathode glow discharge plasma-atomic emission spectrum apparatus and method capable of performing direct gas sample introduction and used for detecting heavy metal element

#52
20180313763
2018-11-01

Optical detection of tracer gases in a gas discharge cell having unexposed electrodes

#53
20180292259
2018-10-11

Device for positioning and isolating a sample in a sealed environment

#54
20180266960
2018-09-20

Method and tool for producing sample containing object, method for performing glow discharge optical emission spectrometry, and glow discharge optical emission spectrometer

#55
20180238736
2018-08-23

Emission spectroscopic analyzer

#56
20180212416
2018-07-26

Device for recognizing an arcing fault, and electrical switchgear

#57
20180164219
2018-06-14

Emission-based detector for capillary gas chromatography

#58
20180038800
2018-02-08

Multi-mode plasma-based optical emission gas detector

#59
20170322161
2017-11-09

Apparatus and method for controlling an atomic emission spectrometer

#60
20170307533
2017-10-26

Metal-antibody tagging and plasma-based detection

#61
20170254786
2017-09-07

Thermal stress resistant micro-plasma emission detector unit

#62
20170199130
2017-07-13

Ambient desorption-optical emission spectroscopy using a microplasma desorption/excitation source

#63
20170199129
2017-07-13

Method for analyzing nitrogen in metal sample, apparatus for analyzing nitrogen in metal sample, method for adjusting nitrogen concentration in molten steel, and method for manufacturing steel

#64
20170097304
2017-04-06

Solution cathode glow discharge elemental analysis

#65
20170089831
2017-03-30

Chirped pulse frequency-domain comb for spectroscopy

#66
20170052122
2017-02-23

Detection device

#67
20170045457
2017-02-16

Glow discharge spectroscopy method and system for measuring in situ the etch depth of a sample

#68
20160202187
2016-07-14

Plasma spectrochemical analysis method and plasma spectrochemical analyzer

#69
20160195509
2016-07-07

MEMS IMPLEMENTATION FOR DETECTION OF WEAR METALS

#70
20160145718
2016-05-26

Method of producing steel material

#71
20160091430
2016-03-31

Aparatus and method of determining a reaction sensitivity threshold of materials to elecrostatic discharge

#72
20150300878
2015-10-22

Pulse generator and systems and methods for using same

#73
20150247804
2015-09-03

Method And Apparatus For Monitoring An Electric Arc Furnace

#74
20150247757
2015-09-03

Chip for plasma generation, plasma generator, and plasma spectrometry method

#75
20150246410
2015-09-03

Chip for plasma generation, plasma generator, and plasma spectrometry method

#76
20150153285
2015-06-04

Spark sensing device with optical element

#77
20150141986
2015-05-21

Nano discharges in liquids

#78
20150085283
2015-03-26

Optical measurement probe, and optical measurement device provided with the same

#79
20150029505
2015-01-29

Spark-induced breakdown spectroscopy electrode assembly

#80
20150015881
2015-01-15

Gas concentration estimation device

#81
20150015880
2015-01-15

Plasma spectrometer

#82
20150009496
2015-01-08

ELEMENTAL ANALYSIS DEVICE IN LIQUID

#83
20140368818
2014-12-18

Spectrometer and method of spectroscopy

#84
20140361789
2014-12-11

Non-contact discharge evaluation method and non-contact discharge evaluation apparatus

#85
20140354976
2014-12-04

Apparatus and system for simultaneously measuring particle concentration and biocontaminants in an aerosol particle flow

#86
20140313508
2014-10-23

Method for the emission analysis of the elemental composition of liquid media

#87
20140261271
2014-09-18

Plasma generation provision, internal combustion engine and analysis provision

#88
20140218728
2014-08-07

Method and apparatus for detecting cadmium with optical emission spectroscopy

#89
20140168644
2014-06-19

Apparatus for analyzing elements in liquid with controlled amount of gas supply for plasma generation

#90
20140092379
2014-04-03

Method and device for measuring gas component concentration inside a glass unit

#91
20130321804
2013-12-05

Electrode-assisted microwave-induced plasma spectroscopy

#92
20130321803
2013-12-05

Plasma spectrometer

#93
20130265574
2013-10-10

Spark emission particle detector

#94
20130221077
2013-08-29

Method for brazing aluminum members and brazing apparatus used for same

#95
20130148118
2013-06-13

Spark chamber for optical emission analysis

#96
20130148117
2013-06-13

Method and apparatus for aerosol analysis using optical spectroscopy

#97
20130131508
2013-05-23

Apparatuses and methods for detecting gas contamination

#98
20130013253
2013-01-10

System, method, and program for predicting processing shape by plasma process

#99
20120300204
2012-11-29

Method for determining carbon in cast iron

#100
20120242982
2012-09-27

Observation plug and spark observation system

#101
20120236311
2012-09-20

Method for monitoring and/or regulating fuel cells

#102
20120067128
2012-03-22

Ultrasonic Testing System

#103
20120013904
2012-01-19

Method and apparatus for detecting cadmium with optical emission spectroscopy

#104
20120002205
2012-01-05

Optoelectronic apparatus for gas analysis and method

#105
20110291567
2011-12-01

Discharge lamp for GDS with an axial magnetic field

#106
20110251604
2011-10-13

Nano discharges in liquids

#107
20110235033
2011-09-29

Emission spectrophotometer

#108
20110228269
2011-09-22

Apparatus and methods for optical emission spectroscopy

#109
20110051994
2011-03-03

Method of measuring the cleanness of steel strip

#110
20100220320
2010-09-02

Nitrogen analyzing apparatus

#111
20100208255
2010-08-19

Optical emission analyzer

#112
20100206851
2010-08-19

Welding observation apparatus

#113
20100187968
2010-07-29

Ignition plug and analysis system

#114
20100034349
2010-02-11

Method for cleaning an EUV lithography device, method for measuring the residual gas atmosphere and the contamination and EUV lithography device

#115
20090320962
2009-12-31

CARBURIZING APPARATUS AND CARBURIZING METHOD

#116
20090310134
2009-12-17

Multi Micro-Hollow Cathode Light Source and Multi-Atomic Simulataneous Absorption Spectrum Analyzer

#117
20090298193
2009-12-03

ATOMIC EMISSION SPECTROSCOPY ON A CHIP

#118
20090287424
2009-11-19

Method and apparatus of measuring particulate matters

#119
20090261848
2009-10-22

Metal identifying device and metal identifying method

#120
20090253222
2009-10-08

Etching process state judgment method and system therefor

#121
20090201500
2009-08-13

Hydrogen sensor

#122
20090098317
2009-04-16

Standard Insulating Glass Units Having Known Concentrations of a Gas and Methods for Calibrating a Measuring Device Using the Standard Insulating Glass Units

#123
20090079980
2009-03-26

Compact Cross-Dispersed Spectrometer for Extended Spectral Range

#124
20090040505
2009-02-12

In-stream spectroscopic elemental analysis of particles being conducted within a gaseous stream

#125
20080259330
2008-10-23

Laser-triggered plasma apparatus for atomic emission spectroscopy

#126
20080239309
2008-10-02

System and method for determining at least one constituent in an ambient gas using a microsystem gas sensor

#127
20080224626
2008-09-18

Optical emission spectrometry device

#128
20080212074
2008-09-04

Hand-held, self-contained optical emission spectroscopy (OES) analyzer

#129
20080205593
2008-08-28

Instrument having X-ray fluorescence and spark emission spectroscopy analysis capabilities

#130
20080198377
2008-08-21

Method for operating an optical emission spectrometer

#131
20080184768
2008-08-07

Standard insulating glass units having known concentrations of a gas and methods for calibrating a measuring device using the standard insulating glass units

#132
20070247621
2007-10-25

Optical emission analysis apparatus

#133
20070229819
2007-10-04

Surface contamination detection

#134
20070229818
2007-10-04

Apparatus and method for monitoring breath acetone and diabetic diagnostics

#135
20070181817
2007-08-09

System and method for retrieving ionospheric parameters from disk-viewing ultraviolet airglow data

#136
20070164003
2007-07-19

Plasma generating equipment

#137
20070103686
2007-05-10

Apparatus for non-invasive analysis of gas compositions in insulated glass panes

#138
20070081772
2007-04-12

Automatic current selection for single fiber splicing

#139
20070068242
2007-03-29

Method and apparatus for elemental analysis of a fluid downhole

#140
20070019182
2007-01-25

Arc/spark optical emission spectroscopy correlated with spark location

#141
20060171643
2006-08-03

Method of determining heating amount, method of fusion splicing, and fusion splicer

#142
20060055924
2006-03-16

Glow discharge optical emission spectrometer and glow discharge optical emission spectrometry

#143
20060023210
2006-02-02

Apparatus and method for the spectroscopic determination of carbon

#144
20050195393
2005-09-08

Miniaturized source devices for optical and mass spectrometry

#145
20050141999
2005-06-30

Micro ion pump

#146
20050140974
2005-06-30

Metal identifying device and metal identifying method

#147
20050134837
2005-06-23

Detection of partial discharge or arcing in wiring via fiber optics

#148
20050104598
2005-05-19

Method and apparatus for detecting wear in components of high voltage electrical equipment

#149
20050093417
2005-05-05

Micro-discharge optical source apparatus and method and system for analyzing a sample

#150
20050012038
2005-01-20

ATMOSPHERIC PRESSURE, GLOW DISCHARGE, OPTICAL EMISSION SOURCE FOR THE DIRECT SAMPLING OF LIQUID MEDIA

#151
17975636
2023-09-12

Measurement deviation correction method and system for spark discharge analysis of large-size metal material

#152
15640961
2018-06-26

Confined illumination for small spot size metrology

#153
14532971
2017-08-01

Confined illumination for small spot size metrology