Patents by Inventor Michael Budach

Michael Budach 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).

  • Publication number: 20240085171
    Abstract: The present application relates to a method for characterizing a shielding element of a particle beam device for shielding an electric field between a sample position and a particle beam source. The method comprises positioning a means for characterizing the shielding element on a side of the shielding element which is facing the sample position.
    Type: Application
    Filed: September 12, 2023
    Publication date: March 14, 2024
    Inventors: David Laemmle, Michael Budach, Jan Guentner, Frans-Felix Schotsch
  • Publication number: 20240069434
    Abstract: A method for particle beam-induced processing of a defect of a microlithographic photomask, including the steps of: a) providing an image of at least a portion of the photomask, b) determining a geometric shape of a defect in the image as a repair shape, with the repair shape comprising a number n of pixels, c) subdividing, in computer-implemented fashion, the repair shape into a number k of sub-repair shapes, with an i-th of the k sub-repair shapes having a number mi of pixels, which are a subset of the n pixels of the repair shape, d) providing an activating particle beam and a process gas at each of the mi pixels of a first of the sub-repair shapes for the purposes of processing the first of the sub-repair shapes, e) repeating step d) for the first of the sub-repair shapes over a number j of repetition cycles, and f) repeating steps d) and e) for each further sub-repair shape.
    Type: Application
    Filed: November 8, 2023
    Publication date: February 29, 2024
    Inventors: Christian Rensing, Michael Brendel, Michael Budach, Martin Guenter Reuss
  • Patent number: 11874598
    Abstract: The present application relates to a method for disposing of excess material of a photolithographic mask, wherein the method comprises the following steps: (a) enlarging a surface of the excess material; (b) displacing the enlarged excess material on the photolithographic mask using at least one first probe of a scanning probe microscope; and (c) removing the displaced enlarged excess material from the photolithographic mask.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: January 16, 2024
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Michael Budach, Christof Baur, Klaus Edinger, Tristan Bret
  • Patent number: 11733186
    Abstract: The present application relates to a scanning probe microscope comprising a probe arrangement for analyzing at least one defect of a photolithographic mask or of a wafer, wherein the scanning probe microscope comprises: (a) at least one first probe embodied to analyze the at least one defect; (b) means for producing at least one mark, by use of which the position of the at least one defect is indicated on the mask or on the wafer; and (c) wherein the mark is embodied in such a way that it may be detected by a scanning particle beam microscope.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: August 22, 2023
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Gabriel Baralia, Christof Baur, Klaus Edinger, Thorsten Hofmann, Michael Budach
  • Publication number: 20230238209
    Abstract: An apparatus for analyzing and/or processing a sample with a particle beam, comprising: a sample stage for holding the sample; a providing unit for providing the particle beam comprising: an opening for guiding the particle beam to a processing position on the sample; and a shielding element for shielding an electric field generated by charges accumulated on the sample; wherein the shielding element covers the opening, is embodied in sheetlike fashion and comprises an electrically conductive material; wherein the shielding element comprises a convex section, this section being convex in relation to the sample stage; and wherein the convex section has a through opening for the particle beam to pass through to the sample.
    Type: Application
    Filed: March 15, 2023
    Publication date: July 27, 2023
    Inventors: Nicole Auth, Michael Budach, Thorsten Hofmann, Jens Oster
  • Patent number: 11650495
    Abstract: The present application relates to an apparatus for determining a position of at least one element on a photolithographic mask, said apparatus comprising: (a) at least one scanning particle microscope comprising a first reference object, wherein the first reference object is disposed on the scanning particle microscope in such a way that the scanning particle microscope can be used to determine a relative position of the at least one element on the photolithographic mask relative to the first reference object; and (b) at least one distance measuring device, which is embodied to determine a distance between the first reference object and a second reference object, wherein there is a relationship between the second reference object and the photolithographic mask.
    Type: Grant
    Filed: June 23, 2022
    Date of Patent: May 16, 2023
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Michael Budach, Nicole Auth
  • Publication number: 20230081844
    Abstract: A method for particle beam-induced processing of a defect of a microlithographic photomask, including the steps of: a1) providing an image of at least a portion of the photomask, b1) determining a geometric shape of a defect in the image as a repair shape, c1) subdividing the repair shape into a number of n pixels in accordance with a first rasterization, d1) subdividing the repair shape into a number of m pixels in accordance with a second rasterization, the second rasterization emerging from a subpixel displacement of the first rasterization, e1) providing an activating particle beam and a process gas at each of the n pixels of the repair shape in accordance with the first rasterization, and f1) providing the activating particle beam and the process gas at each of the m pixels of the repair shape in accordance with the second rasterization.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 16, 2023
    Inventors: Thorsten Hofmann, Michael Budach
  • Patent number: 11592461
    Abstract: The present invention relates to an apparatus for examining and/or processing a sample, said apparatus comprising: (a) a scanning particle microscope for providing a beam of charged particles, which can be directed on a surface of the sample; and (b) a scanning probe microscope with a deflectable probe; (c) wherein a detection structure is attached to the deflectable probe.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: February 28, 2023
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Christof Baur, Michael Budach
  • Publication number: 20220334469
    Abstract: The present application relates to an apparatus for determining a position of at least one element on a photolithographic mask, said apparatus comprising: (a) at least one scanning particle microscope comprising a first reference object, wherein the first reference object is disposed on the scanning particle microscope in such a way that the scanning particle microscope can be used to determine a relative position of the at least one element on the photolithographic mask relative to the first reference object; and (b) at least one distance measuring device, which is embodied to determine a distance between the first reference object and a second reference object, wherein there is a relationship between the second reference object and the photolithographic mask.
    Type: Application
    Filed: June 23, 2022
    Publication date: October 20, 2022
    Inventors: Michael Budach, Nicole Auth
  • Publication number: 20220317564
    Abstract: The present application relates to a method for disposing of excess material of a photolithographic mask, wherein the method comprises the following steps: (a) enlarging a surface of the excess material; (b) displacing the enlarged excess material on the photolithographic mask using at least one first probe of a scanning probe microscope; and (c) removing the displaced enlarged excess material from the photolithographic mask.
    Type: Application
    Filed: June 10, 2022
    Publication date: October 6, 2022
    Inventors: Michael Budach, Christof Baur, Klaus Edinger, Tristan Bret
  • Publication number: 20220317565
    Abstract: The present application relates to a method for disposing of excess material of a photolithographic mask, wherein the method comprises the following steps: (a) enlarging a surface of the excess material; (b) displacing the enlarged excess material on the photolithographic mask using at least one first probe of a scanning probe microscope; and (c) removing the displaced enlarged excess material from the photolithographic mask.
    Type: Application
    Filed: June 10, 2022
    Publication date: October 6, 2022
    Inventors: Michael Budach, Christof Baur, Klaus Edinger, Tristan Bret
  • Publication number: 20220308443
    Abstract: A method, a device and a computer program for repairing a defect of a mask for lithography, in particular an EUV mask, are described. A method of repairing a defect of a mask for lithography, in particular an EUV mask, comprises the following steps: (a.) carrying out a first repair step on the defect using a first repair dose, wherein the defect transitions from an initial topology to a first defect topology as a result; (b.) determining an influence of the first repair step on the topology of the defect; (c.) determining a second defect topology for the defect, which is intended to be achieved by way of a second repair step on the defect; and (d.) 1 0 determining a second repair dose for the second repair step, at least in part on the basis of the determined influence of the first repair step on the topology of the defect and the second defect topology. The method may further comprise step (e.) of carrying out the second repair step using the second repair dose.
    Type: Application
    Filed: March 24, 2022
    Publication date: September 29, 2022
    Inventors: Johannes Schöneberg, Michael Budach, Christof Baur, Jens Oster
  • Publication number: 20220299864
    Abstract: The present application relates to a method for disposing of excess material of a photolithographic mask, wherein the method comprises the following steps: (a) enlarging a surface of the excess material; (b) displacing the enlarged excess material on the photolithographic mask using at least one first probe of a scanning probe microscope; and (c) removing the displaced enlarged excess material from the photolithographic mask.
    Type: Application
    Filed: June 10, 2022
    Publication date: September 22, 2022
    Inventors: Michael Budach, Christof Baur, Klaus Edinger, Tristan Bret
  • Patent number: 11385540
    Abstract: The present application relates to an apparatus for determining a position of at least one element on a photolithographic mask, said apparatus comprising: (a) at least one scanning particle microscope comprising a first reference object, wherein the first reference object is disposed on the scanning particle microscope in such a way that the scanning particle microscope can be used to determine a relative position of the at least one element on the photolithographic mask relative to the first reference object; and (b) at least one distance measuring device, which is embodied to determine a distance between the first reference object and a second reference object, wherein there is a relationship between the second reference object and the photolithographic mask.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: July 12, 2022
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Michael Budach, Nicole Auth
  • Publication number: 20220178965
    Abstract: The present invention relates to an apparatus for examining and/or processing a sample, said apparatus comprising: (a) a scanning particle microscope for providing a beam of charged particles, which can be directed on a surface of the sample; and (b) a scanning probe microscope with a deflectable probe; (c) wherein a detection structure is attached to the deflectable probe.
    Type: Application
    Filed: February 25, 2022
    Publication date: June 9, 2022
    Inventors: Christof Baur, Michael Budach
  • Patent number: 11262378
    Abstract: The present invention relates to an apparatus for examining and/or processing a sample, said apparatus comprising: (a) a scanning particle microscope for providing a beam of charged particles, which can be directed on a surface of the sample; and (b) a scanning probe microscope with a deflectable probe; (c) wherein a detection structure is attached to the deflectable probe.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: March 1, 2022
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Christof Baur, Michael Budach
  • Patent number: 11256168
    Abstract: The present application relates to an apparatus for processing a photolithographic mask, said apparatus comprising: (a) at least one time-varying particle beam, which is embodied for a local deposition reaction and/or a local etching reaction on the photolithographic mask; (b) at least one first means for providing at least one precursor gas, wherein the precursor gas is embodied to interact with the particle beam during the local deposition reaction and/or the local etching reaction; and (c) at least one second means, which reduces a mean angle of incidence (?) between the time-varying particle beam and a surface of the photolithographic mask.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: February 22, 2022
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Michael Budach, Ottmar Hoinkis
  • Patent number: 11170970
    Abstract: A method for examining a specimen surface with a probe of a scanning probe microscope, the specimen surface having an electrical potential distribution. The method includes (a) determining the electrical potential distribution of at least one first partial region of the specimen surface; and (b) modifying the electrical potential distribution in the at least one first partial region of the specimen surface and/or modifying an electrical potential of the probe of the scanning probe microscope before scanning at least one second partial region of the specimen surface.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: November 9, 2021
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Michael Budach, Michael Schnell, Bernd Schindler, Markus Boese
  • Patent number: 11150552
    Abstract: The present invention relates to a method for analyzing at least one defective location of a photolithographic mask, having the following steps: (a) obtaining measurement data for the at least one defective location of the photolithographic mask; (b) determining reference data of the defective location from computer-aided design (CAD) data for the photolithographic mask; (c) correcting the reference data with at least one location-dependent correction value; and (d) analyzing the defective location by comparing the measurement data to the corrected reference data.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: October 19, 2021
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Michael Budach, Ralf Schönberger
  • Publication number: 20210247336
    Abstract: The present application relates to a scanning probe microscope comprising a probe arrangement for analyzing at least one defect of a photolithographic mask or of a wafer, wherein the scanning probe microscope comprises: (a) at least one first probe embodied to analyze the at least one defect; (b) means for producing at least one mark, by use of which the position of the at least one defect is indicated on the mask or on the wafer; and (c) wherein the mark is embodied in such a way that it may be detected by a scanning particle beam microscope.
    Type: Application
    Filed: April 1, 2021
    Publication date: August 12, 2021
    Inventors: Gabriel Baralia, Christof Baur, Klaus Edinger, Thorsten Hofmann, Michael Budach