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    Measuring device
    246.
    发明授权
    Measuring device 有权

    公开(公告)号：US11703494B2

    公开(公告)日：2023-07-18

    申请号：US16788460

    申请日：2020-02-12

    Applicant: Endress+Hauser Conducta GmbH+Co. KG

    Inventor： Thomas Alber ,  Joachim Albert ,  Ralf Steuerwald ,  Michael Hanko ,  Angela Eubisch

    IPC: G01N33/18 ,  G01N21/76 ,  G01N21/78 ,  G01N27/27

    CPC classification number: G01N33/18 ,  G01N21/76 ,  G01N21/78 ,  G01N27/27 ,  G01N2201/129

    Abstract: A measuring apparatus for determining at least one measurand of a measuring medium includes a first measuring device including a first measuring sensor structured to contact the measuring medium and configured to detect measured values of the at least one measurand, the first measuring device embodied to determine a first measured value that is dependent on the at least one measurand of the measuring medium, a sampling device structured to remove a sample from the measuring medium, a second measuring device including a second measuring sensor and embodied to determine a second measured value that is dependent on the least one measurand of the sample, and an electronic control apparatus configured to receive and process the first and second measured value and to perform a verification, calibration and/or adjustment of the first measuring device using the second measured value.

    Raman sensor for supercritical fluids metrology
    247.
    发明授权
    Raman sensor for supercritical fluids metrology 有权

    公开(公告)号：US11664283B2

    公开(公告)日：2023-05-30

    申请号：US17445570

    申请日：2021-08-20

    Applicant: TOKYO ELECTRON LIMITED

    Inventor： Ivan Maleev

    IPC: H01L21/66 ,  G01N21/65 ,  G01N21/41 ,  B08B3/08 ,  B08B7/00 ,  B08B7/04 ,  H01L21/02 ,  B08B13/00

    CPC classification number: H01L22/26 ,  B08B3/08 ,  B08B7/0021 ,  B08B7/04 ,  B08B13/00 ,  G01N21/4133 ,  G01N21/65 ,  H01L21/02057 ,  G01N2201/129

    Abstract: An apparatus includes a measurement chamber configured to retain one or more sample substances. The apparatus includes an entrance window mounted on a side of the measurement chamber. The apparatus includes a light source configured to generate an incident light beam. The apparatus includes a Raman sensor configured to collect inelastically scattered light from the chamber, and measure an intensity of a Raman peak of a first substance from the one or more sample substances based on the collected inelastically scattered light. The apparatus further includes a processor configured to (i) calculate a concentration of the first substance based on at least the measured intensity of the Raman peak of the first substance, (ii) determine the end point of a wafer cleaning process based on a calculated concentration of the first substance, and (iii) terminate the wafer cleaning process based on the determined end point.

    REDUCED FALSE POSITIVE IDENTIFICATION FOR SPECTROSCOPIC QUANTIFICATION
    248.
    发明申请
    REDUCED FALSE POSITIVE IDENTIFICATION FOR SPECTROSCOPIC QUANTIFICATION 审中-公开

    公开(公告)号：US20190234866A1

    公开(公告)日：2019-08-01

    申请号：US16034901

    申请日：2018-07-13

    Applicant: VIAVI Solutions Inc.

    Inventor： Changmeng HSIUNG

    IPC: G01N21/25 ,  G01N21/27

    CPC classification number: G01N21/255 ,  G01N21/27 ,  G01N21/359 ,  G01N2021/1748 ,  G01N2201/129 ,  G06K9/00536 ,  G06K9/6269 ,  G06K9/6284

    Abstract: A device may receive information identifying results of a spectroscopic measurement performed on an unknown sample. The device may determine a decision boundary for a quantification model based on a configurable parameter, such that a first plurality of training set samples of the quantification model is within the decision boundary and a second plurality of training set samples of the quantification model is not within the decision boundary. The device may determine a distance metric for the spectroscopic measurement performed on the unknown sample relative to the decision boundary. The device may determine a plurality of distance metrics for the second plurality of training set samples of the quantification model relative to the decision boundary. The device may provide information indicating whether the spectroscopic measurement performed on the unknown sample corresponds to the quantification model.

    Method for Monitoring the Correspondence of a Beer Sample with a Reference Beer
    250.
    发明申请
    Method for Monitoring the Correspondence of a Beer Sample with a Reference Beer 审中-公开

    公开(公告)号：US20190178794A1

    公开(公告)日：2019-06-13

    申请号：US16324292

    申请日：2017-08-03

    Applicant: QFood GmbH

    Inventor： Holger Klapproth ,  Robert Seidel ,  Joachim Haas ,  Jonathan E. Green

    IPC: G01N21/3577 ,  G06F17/18 ,  G01N33/14

    CPC classification number: G01N21/3577 ,  G01N33/143 ,  G01N33/146 ,  G01N2021/8411 ,  G01N2021/8416 ,  G01N2201/129 ,  G06F17/18

    Abstract: In a method for monitoring the correspondence of a beer sample with a reference beer, at least 15 reference beer samples of the reference beer are brewed with the same ingredients and the same process parameters. Measurement signals for the absorption spectrum of the reference beer samples are captured and a principal component analysis is carried out for the measurement signals, in which at least 15 principal components are ascertained. A factor loading PR(i,j) is respectively determined for each principal component for the individual reference beer samples and a reference value (I) is ascertained, where i denotes the reference beer sample and j denotes the principal component, μR(j) refers to the mean value of all factor loadings of the j-th principal component and σP(j) refers to the standard deviation of these factor loadings. A reference interval (II) is formed, where n denotes the number of reference beer samples, m denotes the number of principal components, σR(j) denotes the standard deviation of all reference values of the j-th principal component and k denotes a constant not equal to zero. A measurement signal is captured for the absorption spectrum of the beer sample and the factor loadings PB(i) of this measurement signal are determined for the principal components ascertained for the reference beer samples and a characteristic (III) is formed and compared to the reference interval. Should the characteristic B lie outside of the reference interval, a fault during the production of the beer sample is indicated.

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