Patents by Inventor Christian Wojek

Christian Wojek 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: 12175650
    Abstract: A method includes obtaining an image data set that depicts semiconductor components, and applying a hierarchical bricking to the image data set. In this case, the bricking includes a plurality of bricks on a plurality of hierarchical levels. The bricks on different hierarchical levels have different image element sizes of corresponding image elements.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: December 24, 2024
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Jens Timo Neumann, Abhilash Srikantha, Christian Wojek, Thomas Korb
  • Patent number: 12135540
    Abstract: A device for examining and/or processing an element for photolithography with a beam of charged particles, the device including (a) means for acquiring measurement data while the element for photolithography is exposed to the beam of charged particles; and (b) means for predetermining a drift of the beam of charged particles relative to the element for photolithography with a trained machine learning model and/or a predictive filter. The trained machine learning model and/or the predictive filter use(s) at least the measurement data as input data.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: November 5, 2024
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Michael Budach, Nicole Auth, Christian Rensing, Alexander Freytag, Christian Wojek
  • Patent number: 12045969
    Abstract: A method includes obtaining at least one 2-D image dataset of semiconductor structures formed on a wafer including one or more defects during a wafer run of a wafer using a predefined fabrication process. The method also includes determining, based on at least one machine-learning algorithm trained on prior knowledge of the fabrication process and based on the at least one 2-D image dataset, one or more process deviations of the wafer run from the predefined fabrication process as a root cause of the one or more defects. A 3-D image dataset may be determined as a hidden variable.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: July 23, 2024
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Jens Timo Neumann, Eugen Foca, Ramani Pichumani, Abhilash Srikantha, Christian Wojek, Thomas Korb, Joaquin Correa
  • Patent number: 12008708
    Abstract: A method for creating a second series of individual images with a first series of individual images, the individual images of the first or the second series of individual images having been captured with an objective, includes determining the entrance pupil and the field of vision of the objective for the individual images of the first series and creating or adapting the individual images of the second series in accordance with the entrance pupil and the field of vision of the objective of the individual image in question of the first series.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: June 11, 2024
    Assignee: Carl Zeiss AG
    Inventors: Michael Wick, Christian Wojek, Vladan Blahnik, Torsten Sievers
  • Publication number: 20240029342
    Abstract: A method for creating a second series of individual images with a first series of individual images, the individual images of the first or the second series of individual images having been captured with an objective, includes determining the entrance pupil and the field of vision of the objective for the individual images of the first series and creating or adapting the individual images of the second series in accordance with the entrance pupil and the field of vision of the objective of the individual image in question of the first series.
    Type: Application
    Filed: September 25, 2023
    Publication date: January 25, 2024
    Inventors: Michael Wick, Christian Wojek, Vladan Blahnik, Torsten Sievers
  • Patent number: 11728130
    Abstract: A method, including: recording plural images of an object by scanning plural particle beams across the object and detecting signals generated by the particle beams, wherein the plural particle beams are generated by a multi-beam particle microscope; determining plural regions of interest; determining plural image regions in each of the recorded images; determining plural displacement vectors; and determining image distortions based on image data of the recorded images and the determined displacement vectors.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: August 15, 2023
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Dirk Zeidler, Thomas Korb, Philipp Huethwohl, Jens Timo Neumann, Christof Riedesel, Christian Wojek, Joaquin Correa, Wolfgang Hoegele
  • Patent number: 11436506
    Abstract: Methods for determining metrology sites for products includes detecting corresponding objects in measurement data of one or more product samples, and aligning the detected objects are aligned. The methods also include analyzing the aligned objects, and determining metrology sites based on the analysis. Devices use such methods to determine metrology sites for products.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: September 6, 2022
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Abhilash Srikantha, Christian Wojek, Keumsil Lee, Thomas Korb, Jens Timo Neumann, Eugen Foca
  • Patent number: 11226481
    Abstract: Methods and apparatuses for designing optical systems are provided. In this case, on a plurality of known optical systems, machine learning is carried out in order to train a computing device. After this training, the computing device can generate a design for an optical system on the basis of parameters describing desired properties of an optical system.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: January 18, 2022
    Assignees: Cad Zeiss AG, Carl Zeiss SMT GmbH
    Inventors: Toufic Jabbour, Christian Wojek, Christoph Menke, Markus Schwab
  • Publication number: 20210358101
    Abstract: A method includes obtaining an image data set that depicts semiconductor components, and applying a hierarchical bricking to the image data set. In this case, the bricking includes a plurality of bricks on a plurality of hierarchical levels. The bricks on different hierarchical levels have different image element sizes of corresponding image elements.
    Type: Application
    Filed: July 29, 2021
    Publication date: November 18, 2021
    Inventors: Jens Timo Neumann, Abhilash Srikantha, Christian Wojek, Thomas Korb
  • Publication number: 20210296089
    Abstract: A method, including: recording plural images of an object by scanning plural particle beams across the object and detecting signals generated by the particle beams, wherein the plural particle beams are generated by a multi-beam particle microscope; determining plural regions of interest; determining plural image regions in each of the recorded images; determining plural displacement vectors; and determining image distortions based on image data of the recorded images and the determined displacement vectors.
    Type: Application
    Filed: April 1, 2021
    Publication date: September 23, 2021
    Inventors: Dirk Zeidler, Thomas Korb, Philipp Huethwohl, Jens Timo Neumann, Christof Riedesel, Christian Wojek, Joaquin Correa, Wolfgang Hoegele
  • Publication number: 20210158215
    Abstract: The present invention relates to a method for evaluating a statistically distributed measured value in the examination of an element for a photolithography process, comprising the following steps: (a) using a plurality of parameters in a trained machine learning model, wherein the parameters characterize a state of a measurement environment in a time period assigned to a measurement of the measured value; and (b) executing the trained machine learning model in order to evaluate the measured value.
    Type: Application
    Filed: January 4, 2021
    Publication date: May 27, 2021
    Inventors: Dirk Seidel, Alexander Freytag, Christian Wojek, Susanne Töpfer, Carsten Schmidt, Christoph Husemann
  • Publication number: 20210150804
    Abstract: A method for creating a second series of individual images with a first series of individual images, the individual images of the first or the second series of individual images having been captured with an objective, includes determining the entrance pupil and the field of vision of the objective for the individual images of the first series and creating or adapting the individual images of the second series in accordance with the entrance pupil and the field of vision of the objective of the individual image in question of the first series.
    Type: Application
    Filed: January 27, 2021
    Publication date: May 20, 2021
    Inventors: Michael Wick, Christian Wojek, Vladan Blahnik, Torsten Sievers
  • Publication number: 20210132594
    Abstract: The invention relates to a device for examining and/or processing an element for photolithography with a beam of charged particles, wherein the device comprises: (a) means for acquiring measurement data while the element for photolithography is exposed to the beam of charged particles; and (b) means for predetermining a drift of the beam of charged particles relative to the element for photolithography with a trained machine learning model and/or a predictive filter, wherein the trained machine learning model and/or the predictive filter use(s) at least the measurement data as input data.
    Type: Application
    Filed: December 11, 2020
    Publication date: May 6, 2021
    Inventors: Michael Budach, Nicole Auth, Christian Rensing, Alexander Freytag, Christian Wojek
  • Publication number: 20210097673
    Abstract: A method includes obtaining at least one 2-D image dataset of semiconductor structures formed on a wafer including one or more defects during a wafer run of a wafer using a predefined fabrication process. The method also includes determining, based on at least one machine-learning algorithm trained on prior knowledge of the fabrication process and based on the at least one 2-D image dataset, one or more process deviations of the wafer run from the predefined fabrication process as a root cause of the one or more defects. A 3-D image dataset may be determined as a hidden variable.
    Type: Application
    Filed: September 28, 2020
    Publication date: April 1, 2021
    Inventors: Jens Timo Neumann, Eugen Foca, Ramani Pichumani, Abhilash Srikantha, Christian Wojek, Thomas Korb, Joaquin Correa
  • Patent number: 10896351
    Abstract: An event classification is trained by machine learning. An anomaly detection for detecting events in an image data set is thereby performed. Based on the performance of the anomaly detection, a model assumption of the event classification is determined. An image data set may include a plurality of images, and each image may include an array of pixels. Further, an image data set may include volume data and/or a time sequence of images and in this way represent a video sequence.
    Type: Grant
    Filed: February 24, 2018
    Date of Patent: January 19, 2021
    Assignee: Carl Zeiss Industrielle Messtechnik GmbH
    Inventors: Melih Kandemir, Fred Hamprecht, Christian Wojek, Ute Schmidt
  • Publication number: 20200285976
    Abstract: Methods for determining metrology sites for products includes detecting corresponding objects in measurement data of one or more product samples, and aligning the detected objects are aligned. The methods also include analyzing the aligned objects, and determining metrology sites based on the analysis. Devices use such methods to determine metrology sites for products.
    Type: Application
    Filed: March 3, 2020
    Publication date: September 10, 2020
    Inventors: Abhilash Srikantha, Christian Wojek, Keumsil Lee, Thomas Korb, Jens Timo Neumann, Eugen Foca
  • Publication number: 20200258212
    Abstract: Methods for determining one or more quality or size parameters of a structure in a semiconductor product, on the basis of an image of the semiconductor product which was generated with the aid of charged particles which have been radiated onto the semiconductor product, include: providing the image of the semiconductor product; applying the provided image to a machine-learning-based method such as, e.g., an artificial neural network which has been trained with training images of semiconductor products and which is configured to generate an output parameter from the provided image; and determining the size parameter of the structure on the basis of the output parameter.
    Type: Application
    Filed: February 10, 2020
    Publication date: August 13, 2020
    Inventors: Jens Timo Neumann, Thomas Korb, Abhilash Srikantha, Christian Wojek
  • Patent number: 10571721
    Abstract: A computer-implemented method for determining a representation of a rim of a spectacles frame or a representation of the edges of the spectacle lenses is disclosed, wherein at least two calibrated images taken from different viewing angles of a head a subject wearing the spectacles frame or the spectacles are provided, and wherein data for at least portions of the rims of the spectacles frame or the edges of the lenses are detected in each image. Further, a three-dimensional model of the spectacles frame or the spectacles is provided, based on geometric parameters, and the geometric parameters are optimised to adapt the model to the detected edges.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: February 25, 2020
    Assignees: Carl Zeiss Vision International GmbH, Carl Zeiss AG
    Inventors: Claudia Nieuwenhuis, Christian Wojek, Oliver Schwarz
  • Publication number: 20200018995
    Abstract: A computer-implemented method for determining a representation of a rim of a spectacles frame or a representation of the edges of the spectacle lenses is disclosed, wherein at least two calibrated images taken from different viewing angles of a head a subject wearing the spectacles frame or the spectacles are provided, and wherein data for at least portions of the rims of the spectacles frame or the edges of the lenses are detected in each image. Further, a three-dimensional model of the spectacles frame or the spectacles is provided, based on geometric parameters, and the geometric parameters are optimised to adapt the model to the detected edges.
    Type: Application
    Filed: July 25, 2019
    Publication date: January 16, 2020
    Inventors: Claudia Nieuwenhuis, Christian Wojek, Oliver Schwarz
  • Publication number: 20190094532
    Abstract: Methods and apparatuses for designing optical systems are provided. In this case, on a plurality of known optical systems, machine learning is carried out in order to train a computing device. After this training, the computing device can generate a design for an optical system on the basis of parameters describing desired properties of an optical system.
    Type: Application
    Filed: September 26, 2018
    Publication date: March 28, 2019
    Inventors: Toufic Jabbour, Christian Wojek, Christoph Menke, Markus Schwab