Patents by Inventor Pieter Schuurman
Pieter Schuurman 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).
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Patent number: 9269531Abstract: In a direct electron detector, backscattering of electrons into the detector volume from below the sensor is prevented. In some embodiments, an empty space is maintained below the sensor. In other embodiments, a structure below the sensor includes geometry, such as multiple high aspects ratio channels, either extending to or from the sensor to trap electrons, or a structure of angled surfaces to deflect the electrons that pass through the sensor.Type: GrantFiled: September 24, 2013Date of Patent: February 23, 2016Assignee: FEI CompanyInventors: Michael Alwin William Stekelenburg, Gerrit Cornelis van Hoften, Richard Henderson, Gregory James McMullan, Abdul Raffey Faruqi, Renato Andrea Danilo Turchetta, Nicola Carlo Guerrini, Joeri Lof, Frank Jeroen Pieter Schuurmans
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Publication number: 20140166879Abstract: In a direct electron detector, backscattering of electrons into the detector volume from below the sensor is prevented. In some embodiments, an empty space is maintained below the sensor. In other embodiments, a structure below the sensor includes geometry, such as multiple high aspects ratio channels, either extending to or from the sensor to trap electrons, or a structure of angled surfaces to deflect the electrons that pass through the sensor.Type: ApplicationFiled: September 24, 2013Publication date: June 19, 2014Applicant: FEI CompanyInventors: Michael Alwin William Stekelenburg, Gerrit Cornelis Van Hoften, Richard Henderson, Gregory James McMullan, Abdul Raffey Faruqi, Renato Andrea Danilo Turchetta, Nicola Carlo Guerrini, Joeri Lof, Frank Jeroen Pieter Schuurmans
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Patent number: 8618498Abstract: In a direct electron detector, backscattering of electrons into the detector volume from below the sensor is prevented. In some embodiments, an empty space is maintained below the sensor. In other embodiments, a structure below the sensor includes geometry, such as multiple high aspects ratio channels, either extending to or from the sensor to trap electrons, or a structure of angled surfaces to deflect the electrons that pass through the sensor.Type: GrantFiled: August 3, 2011Date of Patent: December 31, 2013Assignee: FEI CompanyInventors: Gerrit Cornelis Van Hoften, Michael Alwin William Stekelenburg, Richard Henderson, Gregory James McMullan, Abdul Raffey Faruqi, Renato Andrea Danilo Turchetta, Nicola Carlo Guerrini, Joeri Lof, Frank Jeroen Pieter Schuurmans
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Patent number: 8592762Abstract: A method of using a direct electron detector in a TEM, in which an image with a high intensity peak, such as a diffractogram or an EELS spectrum, is imaged on said detector. As known the high intensity peak may damage the detector. To avoid this damage, the center of the image is moved, as a result of which not one position of the detector is exposed to the high intensity, but the high intensity is smeared over the detector, displacing the high intensity peak before damage results.Type: GrantFiled: April 28, 2011Date of Patent: November 26, 2013Assignee: FEI CompanyInventors: Uwe Luecken, Alan Frank de Jong, Gerrit Cornelis van Hoften, Frank Jeroen Pieter Schuurmans
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Patent number: 8338782Abstract: In a transmission electron microscope detector system, image data is read out from the pixels and analyzed during an image acquisition period. The image acquisition process is modified depending on the results of the analysis. For example, the analyses may indicate the inclusion in the data of an image artifact, such as charging or bubbling, and data including the artifact may be eliminated form the final image. CMOS detectors provide for selective read out of pixels at high data rates, allowing for real-time adaptive imaging.Type: GrantFiled: August 24, 2011Date of Patent: December 25, 2012Assignee: FBI CompanyInventors: Uwe Luecken, Remco Schoenmakers, Frank Jeroen Pieter Schuurmans
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Patent number: 8334512Abstract: A detector system for a transmission electron microscope includes a first detector for recording a pattern and a second detector for recording a position of a feature of the pattern. The second detector is preferably a position sensitive detector that provides accurate, rapid position information that can be used as feedback to stabilize the position of the pattern on the first detector. In one embodiment, the first detector detects an electron energy loss electron spectrum, and the second detector, positioned behind the first detector and detecting electrons that pass through the first detector, detects the position of the zero-loss peak and adjusts the electron path to stabilize the position of the spectrum on the first detector.Type: GrantFiled: August 24, 2011Date of Patent: December 18, 2012Assignee: FEI CompanyInventors: Uwe Luecken, Frank Jeroen Pieter Schuurmans, Cornelis Sander Kooijman
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Patent number: 8269179Abstract: A lithographic apparatus includes an illumination system configured to condition a radiation beam, a projection system configured to project the radiation beam onto a substrate, and a filter system for filtering debris particles out of the radiation beam. The filter system includes a plurality of foils for trapping the debris particles, a support for holding the plurality of foils, and a cooling system having a surface that is arranged to be cooled. The cooling system and the support are positioned with respect to each other such that a gap is formed between the surface of the cooling system and the support. The cooling system is further arranged to inject gas into the gap.Type: GrantFiled: December 24, 2008Date of Patent: September 18, 2012Assignee: ASML Netherlands B.V.Inventors: Arnoud Cornelis Wassink, Levinus Pieter Bakker, Johannes Hubertus Josephina Moors, Frank Jeroen Pieter Schuurmans
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Patent number: 8173975Abstract: A method for removing contaminant particles, such as atoms, molecules, clusters, ions, and the like, produced by a radiation source during generation of short-wave radiation having a wavelength of up to approximately 20 nm, includes guiding a first gas between the radiation source and a particle trap arranged in a wall of a chamber. In order to protect an optical device and/or articles to be irradiated against contamination, the method introducing a second gas into the chamber and its pressure is adjusted such that it is at least as high as the pressure of the first gas.Type: GrantFiled: March 18, 2005Date of Patent: May 8, 2012Assignee: Koninklijke Philips Electronics N.V.Inventors: Jeroen Jonkers, Levinus Pieter Bakker, Frank Jeroen Pieter Schuurmans
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Patent number: 8129702Abstract: A radiation system includes a contamination barrier configured to permit radiation from a radiation source to pass through and to capture debris coming from the radiation source. The contamination barrier includes a plurality of lamellas. The surface of the lamellas includes a material. The radiation system also includes a collector configured to collect radiation from the contamination barrier. An optical surface of the collector includes a material that is the same as the material of the surface of the lamellas.Type: GrantFiled: April 30, 2010Date of Patent: March 6, 2012Assignee: ASML Netherlands B.V.Inventors: Levinus Pieter Bakker, Marcel Mathijs Theodore Marie Dierichs, Johannes Maria Freriks, Frank Jeroen Pieter Schuurmans, Jakob Vijfvinkel, Wilhelmus Josephus Box
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Publication number: 20120049060Abstract: A detector system for a transmission electron microscope includes a first detector for recording a pattern and a second detector for recording a position of a feature of the pattern. The second detector is preferably a position sensitive detector that provides accurate, rapid position information that can be used as feedback to stabilize the position of the pattern on the first detector. In one embodiment, the first detector detects an electron energy loss electron spectrum, and the second detector, positioned behind the first detector and detecting electrons that pass through the first detector, detects the position of the zero-loss peak and adjusts the electron path to stabilize the position of the spectrum on the first detector.Type: ApplicationFiled: August 24, 2011Publication date: March 1, 2012Applicant: FEI COMPANYInventors: Uwe Luecken, Cornelis Sander Kooijman, Frank Jeroen Pieter Schuurmans
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Publication number: 20120049061Abstract: In a transmission electron microscope detector system, image data is read out from the pixels and analyzed during an image acquisition period. The image acquisition process is modified depending on the results of the analysis. For example, the analyses may indicate the inclusion in the data of an image artifact, such as charging or bubbling, and data including the artifact may be eliminated form the final image. CMOS detectors provide for selective read out of pixels at high data rates, allowing for real-time adaptive imaging.Type: ApplicationFiled: August 24, 2011Publication date: March 1, 2012Applicant: FEI CompanyInventors: Uwe Luecken, Remco Schoenmakers, Frank Jeroen Pieter Schuurmans
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Publication number: 20120032078Abstract: In a direct electron detector, backscattering of electrons into the detector volume from below the sensor is prevented. In some embodiments, an empty space is maintained below the sensor. In other embodiments, a structure below the sensor includes geometry, such as multiple high aspects ratio channels, either extending to or from the sensor to trap electrons, or a structure of angled surfaces to deflect the electrons that pass through the sensor.Type: ApplicationFiled: August 3, 2011Publication date: February 9, 2012Applicant: FEI COMPANYInventors: Michael Alwin William Stekelenburg, Gerrit Cornelis Van Hoften, Richard Henderson, Renato Andrea Danilo Turchetta, Nicola Carlo Guerrini, Joeri Lof, Frank Jeroen Pieter Schuurmans, Abdul Raffey Faruqi, Gregory James McMullan
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Patent number: 8094311Abstract: The invention relates to a multivariate calibration which can be used when the optical system used for that method does not comprise a multi-channel detector such as a CCD sensor or a line array of photodiodes. An optical system without a multi-channel detector doesn't allow to carry out preprocessing steps. Thus there is the need to carry out these preprocessing steps in another way. It is suggested to partially replace the preprocessing step by a measurement of the optical signal, whereby the measurement comprises transmitting or reflecting the optical signal by an optical element, thereby weighing the optical signal by a spectral weighing function. The advantage of the invention is to teach how such an optical system without a bulky and expensive CCD sensor can be used to carry out a multivariate calibration and preprocessing steps.Type: GrantFiled: April 26, 2006Date of Patent: January 10, 2012Assignee: Koninklijke Philips Electronics N.V.Inventors: Natallia Uzunbajakava, Aleksey Kolesnychenko, Antonius Theodorus Martinus Van Gogh, Gert 'T Hooft, Frank Jeroen Pieter Schuurmans
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Patent number: 8071954Abstract: The invention relates to a hybrid phase plate for use in a TEM. The phase plate according to the invention resembles a Boersch phase plate in which a Zernike phase plate is mounted. As a result the phase plate according to the invention resembles a Boersch phase plate for electrons scattered to such an extent that they pass outside the central structure (15) and resembles a Zernike phase plate for scattered electrons passing through the bore of the central structure. Comparing the phase plate of the invention with a Zernike phase plate is has the advantage that for electrons that are scattered over a large angle, no electrons are absorbed or scattered by a foil, resulting in a better high resolution performance of the TEM. Comparing the phase plate of the invention with a Boersch phase plate the demands for miniaturization of the central structure are less severe.Type: GrantFiled: June 4, 2009Date of Patent: December 6, 2011Assignee: FEI CompanyInventors: Raymond Wagner, Hendrik Nicolaas Slingerland, Frank Jeroen Pieter Schuurmans, Peter Christiaan Tiemeijer
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Publication number: 20110266439Abstract: A method of using a direct electron detector in a TEM, in which an image with a high intensity peak, such as a diffractogram or an EELS spectrum, is imaged on said detector. As known the high intensity peak may damage the detector. To avoid this damage, the centre of the image is moved, as a result of which not one position of the detector is exposed to the high intensity, but the high intensity is smeared over the detector, displacing the high intensity peak before damage results.Type: ApplicationFiled: April 28, 2011Publication date: November 3, 2011Applicant: FEI CompanyInventors: Uwe Luecken, Alan Frank de Jong, Gerrit Cornelis van Hoften, Frank Jeroen Pieter Schuurmans
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Patent number: 7852460Abstract: A lithographic projection apparatus includes a reflector assembly, the reflector assembly includes a first and a second reflector extending in a direction of an optical axis, the first and second reflector each having a reflective surface, a backing surface and an entry section at respectively a first and a second distance from the optical axis, the first distance being larger than the second distance, rays deriving from a point on the optical axis being cut off by the entry sections of the first and second reflectors and being reflected on the reflective surface of the first reflector and defining a high radiation intensity zone and a low radiation intensity zone between the reflectors; a radial support member configured to support the reflectors extending in the low radiation intensity zone, wherein the radial support member creates a shade in a downstream direction of the optical axis and a virtual shade in an upstream direction of the optical axis; and a structure placed in the virtual shade.Type: GrantFiled: July 7, 2006Date of Patent: December 14, 2010Assignee: ASML Netherlands B.V.Inventors: Levinus Pieter Bakker, Jeroen Jonkers, Frank Jeroen Pieter Schuurmans, Hugo Matthieu Visser
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Publication number: 20100238311Abstract: An imaging device for forming an image of a sample object includes an optical device and a processing unit. The optical device captures a Fourier spectrum of an object. The processing unit is arranged for processing the Fourier spectrum from the optical device and is adapted for determining the image of the sample object from the intensity of the Fourier spectrum of the sample object and the intensity of the Fourier spectrum of a combination of the sample object and a reference object.Type: ApplicationFiled: January 16, 2007Publication date: September 23, 2010Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Aleksey Kolesnychenko, Levinus Pieter Bakker, Frank Jeroen Pieter Schuurmans
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Publication number: 20100200772Abstract: A radiation system includes a contamination barrier configured to permit radiation from a radiation source to pass through and to capture debris coming from the radiation source. The contamination barrier includes a plurality of lamellas. The surface of the lamellas includes a material. The radiation system also includes a collector configured to collect radiation from the contamination barrier. An optical surface of the collector includes a material that is the same as the material of the surface of the lamellas.Type: ApplicationFiled: April 30, 2010Publication date: August 12, 2010Applicant: ASML Netherlands B.V.Inventors: Levinus Pieter BAKKER, Marcel Mathijs Theodore Marie Dierichs, Johannes Maria Freriks, Frank Jeroen Pieter Schuurmans, Jakob Vijfvinkel, Wilhelmus Josephus Box
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Patent number: 7737425Abstract: A contamination barrier configured to permit radiation from a radiation source to pass through and to capture debris from the radiation source. The contamination barrier includes a support structure, a plurality of plate members arranged on the support structure and extending in a radial direction from an axis of the support structure, and a shield configured to block at least part of the support structure from being hit by radiation or debris from the radiation source.Type: GrantFiled: May 16, 2007Date of Patent: June 15, 2010Assignee: ASML Netherlands B.V.Inventors: Levinus Pieter Bakker, Marcel Mathijs Theodore Marie Dierichs, Johannes Maria Freriks, Frank Jeroen Pieter Schuurmans, Jakob Vijfvinkel, Wilhelmus Josephus Box
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Patent number: 7714306Abstract: A lithographic apparatus includes a radiation source configured to emit radiation to form a radiation beam, the radiation being of a type which can create plasma in a low pressure environment in the apparatus, and an optical component configured to condition the radiation beam, impart the conditioned radiation beam with a pattern in its cross-section to form a patterned radiation beam, project the patterned radiation beam onto a target portion of a substrate, and/or to detect radiation. The optical component is provided with a plasma quenching structure, the plasma quenching structure being configured to provide electron-ion recombination in, on and/or near the optical component.Type: GrantFiled: August 30, 2006Date of Patent: May 11, 2010Assignee: ASML Netherlands B.V.Inventors: Johannes Hubertus Josephina Moors, Levinus Pieter Bakker, Frank Jeroen Pieter Schuurmans