Patents by Inventor Alon Litman

Alon Litman 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: 20220367146
    Abstract: A method of performing x-ray spectroscopy material analysis of a region of interest within a cross-section of a sample using an evaluation system that includes a focused ion beam (FIB) column, a scanning electron microscope (SEM) column, and an x-ray detector, including: forming a lamella having first and second opposing side surfaces in the sample by milling, with the FIB column, first and second trenches in the sample to expose the first and second sides surface of the lamella, respectively; depositing background material in the second trench, wherein the background material is selected such that the background material does not include any chemical elements that are expected to be within the region of interest of the sample; generating a charged particle beam with the SEM column and scanning the charged particle beam across a region of interest on the first side surface of the lamella such that the charged particle beam collides with the first side surface of the lamella at a non-vertical angle; and detect
    Type: Application
    Filed: May 14, 2021
    Publication date: November 17, 2022
    Applicant: Applied Materials Israel Ltd.
    Inventors: Yehuda Zur, Alon Litman
  • Patent number: 11501951
    Abstract: A method of performing x-ray spectroscopy material analysis of a region of interest within a cross-section of a sample using an evaluation system that includes a focused ion beam (FIB) column, a scanning electron microscope (SEM) column, and an x-ray detector, including: forming a lamella having first and second opposing side surfaces in the sample by milling, with the FIB column, first and second trenches in the sample to expose the first and second sides surface of the lamella, respectively; depositing background material in the second trench, wherein the background material is selected such that the background material does not include any chemical elements that are expected to be within the region of interest of the sample; generating a charged particle beam with the SEM column and scanning the charged particle beam across a region of interest on the first side surface of the lamella such that the charged particle beam collides with the first side surface of the lamella at a non-vertical angle; and detect
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: November 15, 2022
    Assignee: APPLIED MATERIALS ISRAEL LTD.
    Inventors: Yehuda Zur, Alon Litman
  • Patent number: 11366072
    Abstract: A method and a system for detecting backscattered electrons in a multi-beam electron column.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: June 21, 2022
    Assignee: Applied Materials Israel Ltd.
    Inventors: Jacob Levin, Alon Litman
  • Patent number: 11315754
    Abstract: A method of evaluating a region of a sample that includes alternating layers of different material. The method includes milling, with a focused ion beam, a portion of the sample that includes the alternating layers of different material; reducing the milling area; and repeating the milling and reducing steps multiple times during the delayering process until the process is complete.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: April 26, 2022
    Assignee: APPLIED MATERIALS ISRAEL LTD.
    Inventors: Ilya Blayvas, Gal Bruner, Yehuda Zur, Alexander Mairov, Ron Davidescu, Kfir Dotan, Alon Litman
  • Patent number: 11264202
    Abstract: A method, a non-transitory computer readable medium and a three-dimensional evaluation system for providing three dimensional information regarding structural elements of a specimen. The method can include illuminating the structural elements with electron beams of different incidence angles, where the electron beams pass through the structural elements and the structural elements are of nanometric dimensions; detecting forward scattered electrons that are scattered from the structural elements to provide detected forward scattered electrons; and generating the three dimensional information regarding structural elements based at least on the detected forward scattered electrons.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: March 1, 2022
    Assignee: APPLIED MATERIALS ISRAEL LTD.
    Inventors: Konstantin Chirko, Itamar Shani, Albert Karabekov, Guy Eytan, Lior Yaron, Alon Litman
  • Publication number: 20210358712
    Abstract: A method, a non-transitory computer readable medium and a three-dimensional evaluation system for providing three dimensional information regarding structural elements of a specimen. The method can include illuminating the structural elements with electron beams of different incidence angles, where the electron beams pass through the structural elements and the structural elements are of nanometric dimensions; detecting forward scattered electrons that are scattered from the structural elements to provide detected forward scattered electrons; and generating the three dimensional information regarding structural elements based at least on the detected forward scattered electrons.
    Type: Application
    Filed: May 18, 2020
    Publication date: November 18, 2021
    Applicant: Applied Materials Israel Ltd.
    Inventors: Konstantin Chirko, Itamar Shani, Albert Karabekov, Guy Eytan, Lior Yaron, Alon Litman
  • Publication number: 20210341398
    Abstract: A method and a system for detecting backscattered electrons in a multi-beam electron column.
    Type: Application
    Filed: May 4, 2020
    Publication date: November 4, 2021
    Inventors: Jacob Levin, Alon Litman
  • Publication number: 20210335571
    Abstract: A method of evaluating a region of a sample that includes alternating layers of different material. The method includes milling, with a focused ion beam, a portion of the sample that includes the alternating layers of different material; reducing the milling area; and repeating the milling and reducing steps multiple times during the delayering process until the process is complete.
    Type: Application
    Filed: April 27, 2020
    Publication date: October 28, 2021
    Applicant: APPLIED MATERIALS ISRAEL LTD.
    Inventors: Ilya Blayvas, Gal Bruner, Yehuda Zur, Alexander Mairov, Ron Davidescu, Kfir Dotan, Alon Litman
  • Patent number: 10903044
    Abstract: A method of evaluating a region of a sample that includes an array of holes separated by solid portions. The method includes positioning the sample within in a vacuum chamber of an evaluation tool that includes a scanning electron microscope (SEM) column and a focused ion beam (FIB); injecting a deposition gas onto the sample; scanning, with a first charged particle beam, a portion of the sample that includes a plurality of holes in the array of holes to locally deposit material within the plurality of holes in the scanned portion from the deposition gas; and milling, with the FIB column, the portion of the sample that includes the plurality of holes in which the material was locally deposited.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: January 26, 2021
    Assignee: APPLIED MATERIALS ISRAEL LTD.
    Inventors: Alon Litman, Konstantin Chirko, Yehuda Zur
  • Patent number: 10714305
    Abstract: A method for evaluating a specimen, the method can include positioning an energy dispersive X-ray (EDX) detector at a first position; scanning a flat surface of the specimen by a charged particle beam that exits from a charged particle beam optics tip and propagates through an aperture of an EDX detector tip; detecting, by the EDX detector, x-ray photons emitted from the flat surface as a result of the scanning of the flat surface with the charged particle beam; after a completion of the scanning of the flat surface, positioning the EDX detector at a second position in which a distance between the EDX detector tip and a plane of the flat surface exceeds a distance between the plane of the flat surface and the charged particle beam optics tip; and wherein a projection of the EDX detector on the plane of the flat surface virtually falls on the flat surface when the EDX detector is positioned at the first position and when the EDX detector is positioned at the second position.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: July 14, 2020
    Assignee: Applied Materials Israel Ltd.
    Inventors: Alon Litman, Efim Vinnitsky
  • Patent number: 10541104
    Abstract: A method and a charged particle beam system that includes charged particle beam optics and a movable stage; wherein the movable stage is configured to introduce a movement between the object and charged particle beam optics; wherein the movement is of a constant velocity and along a first direction; wherein the charged particle beam optics is configured to scan, by the charged particle beam, multiple areas of the object so that each point of the multiple areas is scanned multiple times; wherein the multiple areas partially overlap; wherein the scanning is executed by the charged particle beam optics; wherein the scanning comprises performing counter-movement deflections of the charged particle beam for at least partially compensating for the movement; and wherein each area of the multiple areas is scanned by following an area scan scheme that defines multiple scan lines that differ from each other.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: January 21, 2020
    Assignee: Applied Materials Israel Ltd.
    Inventors: Uri Lev, Alon Litman, Zvi Nir, Arnon Mizrahy
  • Publication number: 20190189391
    Abstract: A method for evaluating a specimen, the method can include positioning an energy dispersive X-ray (EDX) detector at a first position; scanning a flat surface of the specimen by a charged particle beam that exits from a charged particle beam optics tip and propagates through an aperture of an EDX detector tip; detecting, by the EDX detector, x-ray photons emitted from the flat surface as a result of the scanning of the flat surface with the charged particle beam; after a completion of the scanning of the flat surface, positioning the EDX detector at a second position in which a distance between the EDX detector tip and a plane of the flat surface exceeds a distance between the plane of the flat surface and the charged particle beam optics tip; and wherein a projection of the EDX detector on the plane of the flat surface virtually falls on the flat surface when the EDX detector is positioned at the first position and when the EDX detector is positioned at the second position.
    Type: Application
    Filed: February 19, 2019
    Publication date: June 20, 2019
    Inventors: Alon Litman, Efim Vinnitsky
  • Patent number: 10211026
    Abstract: A method for evaluating a specimen, the method can include positioning an energy dispersive X-ray (EDX) detector at a first position; scanning a flat surface of the specimen by a charged particle beam that exits from a charged particle beam optics tip and propagates through an aperture of an EDX detector tip; detecting, by the EDX detector, x-ray photons emitted from the flat surface as a result of the scanning of the flat surface with the charged particle beam; after a completion of the scanning of the flat surface, positioning the EDX detector at a second position in which a distance between the EDX detector tip and a plane of the flat surface exceeds a distance between the plane of the flat surface and the charged particle beam optics tip; and wherein a projection of the EDX detector on the plane of the flat surface virtually falls on the flat surface when the EDX detector is positioned at the first position and when the EDX detector is positioned at the second position.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: February 19, 2019
    Assignee: APPLIED MATERIALS ISRAEL LTD.
    Inventors: Alon Litman, Efim Vinnitsky
  • Patent number: 10156785
    Abstract: A system and a method for evaluating a lithography mask, the system may include: (a) electron optics for directing primary electrons towards a pellicle that is positioned between the electron optics and the lithography mask; wherein the primary electrons exhibit an energy level that allows the primary electrons to pass through the pellicle and to impinge on the lithographic mask; (b) at least one detector for detecting detected emitted electrons and for generating detection signals; wherein detected emitted electrons are generated as a result of an impingement of the primary electrons on the lithographic mask; and (c) a processor for processing the detection signals to provide information about the lithography mask.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: December 18, 2018
    Assignee: Applied Materials Israel Ltd.
    Inventors: Alon Litman, Nir Ben-David Dodzin, Albert Karabekov, Alex Goldenshtein
  • Patent number: 10074513
    Abstract: A method for evaluating a specimen includes positioning a detector in an inserted position in which a first distance between a tip of the detector and a plane extending along a surface of the specimen is less than a distance between the plane and a tip of charged particle beam optics. While maintaining the detector at the inserted position, the surface of the specimen is scanned by a primary beam that exits from the tip of the charged particle beam optics. The detector detects x-ray photons and/or charged particles emitted or reflected from the specimen as a result of scanning the specimen with the primary beam. After completion of the scanning, the detector is positioned at a retracted position in which a second distance between the tip of the detector and the plane exceeds a distance between the tip of the charged particle beam optics and the plane.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: September 11, 2018
    Assignee: Applied Materials Israel Ltd.
    Inventors: Alon Litman, Efim Vinnitsky, Ofir Arzouan, Igor Petrov
  • Patent number: 9958501
    Abstract: A system for electrically testing an object, the system may include a scanning electron microscope that comprises a column; and nano-probe modules that are mechanically connected to the column; wherein the column is configured to illuminate areas of the object, with a beam of charged particles; wherein nano-probes of the nano-probe modules are configured to electrically contact elements of the object, during electrical tests of the object, wherein the elements of the object are located within the areas of the object.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: May 1, 2018
    Assignee: APPLIEED MATERIALS ISRAEL LTD.
    Inventors: Amir Wachs, Alon Litman, Efim Vinnitsky
  • Publication number: 20180012728
    Abstract: A method for evaluating a specimen, the method can include positioning an energy dispersive X-ray (EDX) detector at a first position; scanning a flat surface of the specimen by a charged particle beam that exits from a charged particle beam optics tip and propagates through an aperture of an EDX detector tip; detecting, by the EDX detector, x-ray photons emitted from the flat surface as a result of the scanning of the flat surface with the charged particle beam; after a completion of the scanning of the flat surface, positioning the EDX detector at a second position in which a distance between the EDX detector tip and a plane of the flat surface exceeds a distance between the plane of the flat surface and the charged particle beam optics tip; and wherein a projection of the EDX detector on the plane of the flat surface virtually falls on the flat surface when the EDX detector is positioned at the first position and when the EDX detector is positioned at the second position.
    Type: Application
    Filed: September 13, 2017
    Publication date: January 11, 2018
    Applicant: APPLIED MATERIALS ISRAEL LTD.
    Inventors: Alon Litman, Efim Vinnitsky
  • Patent number: 9847209
    Abstract: A system for scanning a plurality of regions of interest of a substrate using one or more charged particle beams, the system comprises: an irradiation module having charged particle optics; a stage for introducing a relative movement between the substrate and the charged particle optics; an imaging module for collecting electrons emanating from the substrate in response to a scanning of the regions of interest by the one or more charged particle beams; and wherein the charged particle optics is arranged to perform countermovements of the charged particle beam during the scanning of the regions of interest thereby countering relative movements introduced between the substrate and the charged particle optics during the scanning of the regions of interest.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: December 19, 2017
    Assignee: APPLIED MATERIALS ISRAEL LTD.
    Inventors: Benzion Sender, Alon Litman
  • Patent number: 9818577
    Abstract: A method for evaluating a specimen, the method can include positioning an energy dispersive X-ray (EDX) detector at a first position; scanning a flat surface of the specimen by a charged particle beam that exits from a charged particle beam optics tip and propagates through an aperture of an EDX detector tip; detecting, by the EDX detector, x-ray photons emitted from the flat surface as a result of the scanning of the flat surface with the charged particle beam; after a completion of the scanning of the flat surface, positioning the EDX detector at a second position in which a distance between the EDX detector tip and a plane of the flat surface exceeds a distance between the plane of the flat surface and the charged particle beam optics tip; and wherein a projection of the EDX detector on the plane of the flat surface virtually falls on the flat surface when the EDX detector is positioned at the first position and when the EDX detector is positioned at the second position.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: November 14, 2017
    Assignee: APPLIED MATERIALS ISRAEL LTD.
    Inventors: Alon Litman, Efim Vinnitsky
  • Patent number: 9805911
    Abstract: A system for scanning a plurality of regions of interest of a substrate using one or more charged particle beams, the system comprises: an irradiation module having charged particle optics; a stage for introducing a relative movement between the substrate and the charged particle optics; an imaging module for collecting electrons emanating from the substrate in response to a scanning of the regions of interest by the one or more charged particle beams; and wherein the charged particle optics is arranged to perform countermovements of the charged particle beam during the scanning of the regions of interest thereby countering relative movements introduced between the substrate and the charged particle optics during the scanning of the regions of interest.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: October 31, 2017
    Assignee: APPLIED MATERIALS ISRAEL LTD.
    Inventors: Benzion Sender, Alon Litman