Patents by Inventor Bernhard Schuler

Bernhard Schuler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11998929
    Abstract: A process for concentrating desired particles containing a carrier-magnetic-separation with the following steps, providing a feedstock which contains the desired particles; adding hydrophobic magnetic particles to the feedstock which results in a loaded feedstock containing agglomerates of the magnetic particles and the desired particles or of the magnetic particles and the undesired material; separating the agglomerates from the loaded feedstock by a separation method which results in isolated agglomerates, breaking up the isolated agglomerates to obtain a suspension having magnetic particles in de-agglomerated form; and separating the magnetic particles from the suspension obtained in step d) by a separation method and provided that at least one separation method is a magnetic separation, and where the process has at least one further separation and where the further separation is s sorting, electric separation, screening, classification, gravity concentration, and flotation.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: June 4, 2024
    Assignee: BASF SE
    Inventors: Wolfgang Rohde, David Johann Gilbert, Bernhard Schuler, Oliver Kuhn, Michael Mentges
  • Publication number: 20230253177
    Abstract: A method of imaging a sample with a charged particle beam device, comprising: determining a first focusing strength of an objective lens of the charged particle beam device, the first focusing strength being adapted to focus a charged particle beam on a first surface region of the sample; determining a first focal subrange of a plurality of focal subranges such that the first focusing strength is within the first focal subrange, wherein the plurality of focal subranges is associated with a set of values of a calibration parameter; determining a first value of the calibration parameter, the first value being associated with the first focal subrange; and imaging the first surface region with the first value.
    Type: Application
    Filed: July 29, 2020
    Publication date: August 10, 2023
    Inventors: Kulpreet Singh VIRDI, Bernhard G. MUELLER, Bernhard SCHÜLER
  • Patent number: 11687008
    Abstract: According to an embodiment, a method for automated critical dimension measurement on a substrate for display manufacturing is provided. The method includes scanning a first field of view having a first size with a charged particle beam to obtain a first image having a first resolution of a first portion of the substrate for display manufacturing; determining a pattern within the first image, the pattern having a first position; scanning a second field of view with the charged particle beam to obtain a second image of a second portion of the substrate, the second field of view has a second size smaller than the first size and has a second position provided relative to the first position, the second image has a second resolution higher than the first resolution; and determining a critical dimension of a structure provided on the substrate from the second image.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: June 27, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Bernhard G. Mueller, Robert Trauner, Bernhard Schüler, Peter C. Staffansson, Kulpreet Singh Virdi, Volker Daiker
  • Patent number: 11610755
    Abstract: A method of automatically focusing a charged particle beam on a surface region of a sample is provided. The method includes acquiring a plurality of images for a corresponding plurality of focusing strength values; calculating a plurality of sharpness values based on the plurality of images, the plurality of sharpness values are calculated with a sharpness function provided as a sum in a frequency space based on the plurality of images; and determining subsequent focusing strength values of the plurality of focusing strength values with a golden ratio search algorithm based one the calculated sharpness values.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: March 21, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Robert Trauner, Bernhard Schüler, Bernhard G. Mueller, Nikolai Knaub, Kulpreet Singh Virdi
  • Publication number: 20220044907
    Abstract: A method of automatically focusing a charged particle beam on a surface region of a sample is provided. The method includes acquiring a plurality of images for a corresponding plurality of focusing strength values; calculating a plurality of sharpness values based on the plurality of images, the plurality of sharpness values are calculated with a sharpness function provided as a sum in a frequency space based on the plurality of images; and determining subsequent focusing strength values of the plurality of focusing strength values with a golden ratio search algorithm based one the calculated sharpness values.
    Type: Application
    Filed: October 21, 2021
    Publication date: February 10, 2022
    Inventors: Robert TRAUNER, Bernhard SCHÜLER, Bernhard G. MUELLER, Nikolai KNAUB, Kulpreet Singh VIRDI
  • Patent number: 11195691
    Abstract: A method of automatically focusing a charted particle beam on a surface region of a sample is provided. The method includes acquiring a plurality of images for a corresponding plurality of focusing strength values; calculating a plurality of sharpness values based on the plurality of images, the plurality of sharpness values are calculated with a sharpness function provided as a sum in a frequency space based on the plurality of images; and determining subsequent focusing strength values of the plurality of focusing strength values with a golden ratio search algorithm based one the calculated sharpness values.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: December 7, 2021
    Assignee: Applied Materials, Inc.
    Inventors: Robert Trauner, Bernhard Schüler, Bernhard G. Mueller, Nikolai Knaub, Kulpreet Singh Virdi
  • Publication number: 20210373444
    Abstract: According to an embodiment, a method for automated critical dimension measurement on a substrate for display manufacturing is provided. The method includes scanning a first field of view having a first size with a charged particle beam to obtain a first image having a first resolution of a first portion of the substrate for display manufacturing; determining a pattern within the first image, the pattern having a first position; scanning a second field of view with the charged particle beam to obtain a second image of a second portion of the substrate, the second field of view has a second size smaller than the first size and has a second position provided relative to the first position, the second image has a second resolution higher than the first resolution; and determining a critical dimension of a structure provided on the substrate from the second image.
    Type: Application
    Filed: February 22, 2018
    Publication date: December 2, 2021
    Inventors: Bernhard G. MUELLER, Robert TRAUNER, Bernhard SCHÜLER, Peter C. STAFFANSSON, Kulpreet Singh VIRDI, Volker DAIKER
  • Publication number: 20210316316
    Abstract: The present invention relates to a process for concentrating desired particles comprising a carrier-magnetic-separation comprising the following steps a) providing a feedstock which contains the desired particles and an undesired material; b) adding hydrophobic magnetic particles to the feedstock which results in a loaded feedstock containing agglomerates of the magnetic particles and the desired particles or of the magnetic particles and the undesired material; c) separating the agglomerates from the loaded feedstock by a separation method which results in isolated agglomerates, where the separation method is selected from sorting, electric separation, magnetic separation, screening, classification, gravity concentration, and flotation; d) breaking up the isolated agglomerates to obtain a suspension comprising the magnetic particles in desagglomerated form; and e) separating the magnetic particles from the suspension obtained in step d) by a separation method selected from sorting, electric separation, magne
    Type: Application
    Filed: August 6, 2019
    Publication date: October 14, 2021
    Inventors: Wolfgang ROHDE, David Johann GILBERT, Bernhard SCHULER, Oliver KUHN, Michael MENTGES
  • Patent number: 11110468
    Abstract: The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material, at least one second material and at least one third material, which comprises at least the following steps: (A) providing a mixture comprising at least one first material, at least one second material, at least one third material and at least one hydrocarbon in an amount of more than 0.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: September 7, 2021
    Assignee: BASF SE
    Inventors: David Johann Gilbert, Wolfgang Rohde, Michael Mentges, Rodrigo Enrique Munizaga, Oliver Kuhn, Bernhard Schuler
  • Publication number: 20210249220
    Abstract: A method of automatically focusing a charged particle beam on a surface region of a sample is provided. The method includes acquiring a plurality of images for a corresponding plurality of focusing strength values; calculating a plurality of sharpness values based on the plurality of images, the plurality of sharpness values are calculated with a sharpness function provided as a sum in a frequency space based on the plurality of images; and determining subsequent focusing strength values of the plurality of focusing strength values with a golden ratio search algorithm based one the calculated sharpness values.
    Type: Application
    Filed: April 12, 2019
    Publication date: August 12, 2021
    Inventors: Robert TRAUNER, Bernhard SCHÜLER, Bernhard G. MUELLER, Nikolai KNAUB, Kulpreet Singh VIRDI
  • Publication number: 20200122160
    Abstract: The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material, at least one second material and at least one third material, which comprises at least the following steps: (A) providing a mixture comprising at least one first material, at least one second material, at least one third material and at least one hydrocarbon in an amount of more than 0.
    Type: Application
    Filed: August 2, 2018
    Publication date: April 23, 2020
    Inventors: David Johann GILBERT, Wolfgang ROHDE, Michael MENTGES, Rodrigo Enrique MUNIZAGA, Oliver KUHN, Bernhard SCHULER
  • Patent number: 10345250
    Abstract: A method of inspecting a sample with a charged particle beam device is described. The method comprises arranging the sample on a stage, determining a first focusing strength of an objective lens adapted to focus a charged particle beam on a first surface region of the sample that is arranged at a first distance from the objective lens in a direction of an optical axis, calculating a difference between the first distance and a predetermined working distance based on the determined first focusing strength, adjusting a distance between the first surface region and the objective lens by the calculated difference, and inspecting the first surface region. According to a further aspect, a charged particle beam device configured to be operated according to the above method is described.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: July 9, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Bernhard G. Mueller, Kulpreet Singh Virdi, Bernhard Schüler, Robert Trauner, Ludwig Ledl
  • Publication number: 20190113470
    Abstract: A method of inspecting a sample with a charged particle beam device is described. The method comprises arranging the sample on a stage, determining a first focusing strength of an objective lens adapted to focus a charged particle beam on a first surface region of the sample that is arranged at a first distance from the objective lens in a direction of an optical axis, calculating a difference between the first distance and a predetermined working distance based on the determined first focusing strength, adjusting a distance between the first surface region and the objective lens by the calculated difference, and inspecting the first surface region. According to a further aspect, a charged particle beam device configured to be operated according to the above method is described.
    Type: Application
    Filed: October 12, 2017
    Publication date: April 18, 2019
    Inventors: Bernhard G. MUELLER, Kulpreet Singh VIRDI, Bernhard SCHÜLER, Robert TRAUNER, Ludwig LEDL
  • Patent number: 9150732
    Abstract: The present invention provides aqueous emulsion polymers comprising (A) monomers A (B) at least one (meth)acrylate with olefinically unsaturated side groups (monomers B), and (C) at least one photoinitiator, and also the use thereof in coating materials, more particularly in exterior architectural paints.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: October 6, 2015
    Assignee: BASF SE
    Inventors: Roelof Balk, Rolf Dersch, Sebastian Roller, Bernhard Schuler
  • Patent number: 8901237
    Abstract: The invention also relates to a method to increase stain resistance and penetration resistance of aqueous coating compositions which method comprises providing a coating composition which contain at least one pigment, at least one film-forming polymer in the form of an aqueous polymer dispersion and at least one anionic surfactant, wherein the anionic surfactant comprises at least 85% by weight, preferably at least 90% by weight, more preferably at least 95% by weight, based on the total weight of anionic surfactant in the coating composition, of at least one anionic surfactant S, which is selected from semi-esters of sulfuric acid or phosphoric acid with an alcohol, which alcohol carries at least one alkyl radical having from 8 to 30 carbon atoms or an alkyl substituted phenyl radical wherein alkyl has from 4 to 30 carbon atoms and which alcohol may carry an oligo-C2-C3-alkylene-ether group provided that the number of repeating units in the oligo-C2-C3-alkylene-ether group is at most 15, or a salt thereof.
    Type: Grant
    Filed: September 11, 2006
    Date of Patent: December 2, 2014
    Assignee: BASF Aktiengesellschaft
    Inventors: Mubarik Mahmood Chowdhry, Hideki Yamashita, Cheeseng Yong, Gregory John Catterall, Jonathon Shane Allen, Roger Jan Van Sonsbeek, David Redfern, Bernhard Schuler, Oliver Wagner, David Christie
  • Patent number: 8722756
    Abstract: The present invention provides aqueous emulsion polymers comprising (A) monomers A (B) at least one (meth)acrylate with olefinically unsaturated side groups (monomers B), and (C) at least one photoinitiator, and also the use thereof in coating materials, more particularly in exterior architectural paints.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: May 13, 2014
    Assignee: BASF SE
    Inventors: Roelof Balk, Rolf Dersch, Sebastian Roller, Bernhard Schuler
  • Publication number: 20140107249
    Abstract: The present invention provides aqueous emulsion polymers comprising (A) monomers A (B) at least one (meth)acrylate with olefinically unsaturated side groups (monomers B), and (C) at least one photoinitiator, and also the use thereof in coating materials, more particularly in exterior architectural paints.
    Type: Application
    Filed: December 19, 2013
    Publication date: April 17, 2014
    Applicant: BASF SE
    Inventors: Roelof BALK, Rolf DERSCH, Sebastian ROLLER, Bernhard SCHULER
  • Patent number: 8314178
    Abstract: The present invention relates to polymer dispersions which comprise highly branched polycarbonates, to a process for preparing them, and to their use.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: November 20, 2012
    Assignee: BASF SE
    Inventors: Alexandre Terrenoire, Daniel Schoenfelder, Bernd Bruchmann, Sebastian Roller, Harm Wiese, Bernhard Schuler, Hermann Seyffer, Marc Schroeder
  • Publication number: 20120053260
    Abstract: The present invention provides aqueous emulsion polymers comprising (A) monomers A (B) at least one (meth)acrylate with olefinically unsaturated side groups (monomers B), and (C) at least one photoinitiator, and also the use thereof in coating materials, more particularly in exterior architectural paints.
    Type: Application
    Filed: August 30, 2011
    Publication date: March 1, 2012
    Applicant: BASF SE
    Inventors: Roelof BALK, Rolf Dersch, Sebastian Roller, Bernhard Schuler
  • Patent number: 7943704
    Abstract: The present invention provides a process for preparing emulsion polymer particles of a hollow core/shell structure in the presence of a monomer plasticizer having a ceiling temperature less than 181° C. wherein a polymerization inhibitor or reducing agent is not added to the aqueous emulsion of the core shell particles during the neutralization and swelling stage. The obtained core shell particles are useful in paints, paper coatings, foams, and cosmetics.
    Type: Grant
    Filed: July 10, 2006
    Date of Patent: May 17, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Konrad Roschmann, Arno Tuchbreiter, Ekkehard Jahns, Joerg Leuninger, Bernhard Schuler, Oliver Wagner, Michaela Reinsch, Robert Wrazidlo