Patents by Inventor Peter Hackenschmied
Peter Hackenschmied 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: 11955307Abstract: At least one example embodiment provides an electron emitter apparatus having a first ring of field-effect emitter needles, the field-effect emitter needles of the first ring forming a first emitter surface on an inner side of the first ring; and a second ring of field-effect emitter needles, the field-effect emitter needles of the second ring forming a second emitter surface on an inner side of the second ring, wherein the first ring and the second ring are arranged in such that the first emitter surface and the second emitter surface form a substantially contiguous three-dimensional overall emitter surface, the substantially contiguous three-dimensional overall emitter surface defining a hollow channel along a longitudinal axis of the electron emitter apparatus.Type: GrantFiled: May 2, 2022Date of Patent: April 9, 2024Assignee: Siemens Healthineers AGInventors: Christoph Jud, Peter Hackenschmied, Joerg Freudenberger, Peter Geithner, Anja Fritzler
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Patent number: 11901152Abstract: Some example embodiments provide an x-ray tube for a stereoscopic imaging having an evacuated x-ray tube housing; an electron emitter apparatus in the x-ray tube housing, the electron emitter apparatus including a first field effect emitter with a first emitter surface and a second field effect emitter with a second emitter surface, at least one of the first emitter surface or the second emitter surface being segmented such that a portion of the at least one of the first emitter surface or the second emitter surface can be set relative to the respective overall emitter surface by selectively switching emitter segments of the at least one of the first emitter surface or the second emitter surface; an anode unit in the x-ray tube housing, the anode unit configured to generate x-ray radiation for the stereoscopic imaging as a function of electrons striking two focal points; and a control unit.Type: GrantFiled: July 27, 2022Date of Patent: February 13, 2024Assignee: SIEMENS HEALTHCARE GMBHInventors: Peter Geithner, Jörg Freudenberger, Christoph Jud, Anja Fritzler, Josef Deuringer, Peter Hackenschmied
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Publication number: 20230031968Abstract: Some example embodiments provide an x-ray tube for a stereoscopic imaging having an evacuated x-ray tube housing; an electron emitter apparatus in the x-ray tube housing, the electron emitter apparatus including a first field effect emitter with a first emitter surface and a second field effect emitter with a second emitter surface, at least one of the first emitter surface or the second emitter surface being segmented such that a portion of the at least one of the first emitter surface or the second emitter surface can be set relative to the respective overall emitter surface by selectively switching emitter segments of the at least one of the first emitter surface or the second emitter surface; an anode unit in the x-ray tube housing, the anode unit configured to generate x-ray radiation for the stereoscopic imaging as a function of electrons striking two focal points; and a control unit.Type: ApplicationFiled: July 27, 2022Publication date: February 2, 2023Applicant: Siemens Healthcare GmbHInventors: Peter GEITHNER, Joerg FREUDENBERGER, Christoph JUD, Anja FRITZLER, Josef DEURINGER, Peter HACKENSCHMIED
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Publication number: 20220359148Abstract: At least one example embodiment provides an electron emitter apparatus having a first ring of field-effect emitter needles, the field-effect emitter needles of the first ring forming a first emitter surface on an inner side of the first ring; and a second ring of field-effect emitter needles, the field-effect emitter needles of the second ring forming a second emitter surface on an inner side of the second ring, wherein the first ring and the second ring are arranged in such that the first emitter surface and the second emitter surface form a substantially contiguous three-dimensional overall emitter surface, the substantially contiguous three-dimensional overall emitter surface defining a hollow channel along a longitudinal axis of the electron emitter apparatus.Type: ApplicationFiled: May 2, 2022Publication date: November 10, 2022Applicant: Siemens Healthcare GmbHInventors: Christoph JUD, Peter HACKENSCHMIED, Joerg FREUDENBERGER, Peter GEITHNER, Anja FRITZLER
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Patent number: 11226298Abstract: An x-ray imaging system includes an x-ray source configured to emit x-ray radiation towards a sample, and a primary detector configured to detect x-ray radiation from the x-ray source passing through the sample. The x-ray imaging system also includes a secondary detector configured to detect x-ray radiation from the x-ray source scattered in the sample, and imaging optics configured to guide x-ray radiation scattered in the sample onto the secondary detector.Type: GrantFiled: September 27, 2019Date of Patent: January 18, 2022Assignee: Siemens Healthcare GmbHInventors: Steffen Kappler, Marcus Radicke, Jörg Freudenberger, Anja Fritzler, Peter Geithner, Peter Hackenschmied, Thomas Weber
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Patent number: 11075052Abstract: The present disclosure provides an x-ray device including a housing configured to provide a vacuum therein, a cathode arranged inside the housing and configured to emit electrons, an anode arranged inside the housing and configured to produce x-ray radiation when impacted by electrons emitted by the cathode, and a converter configured to convert the x-ray radiation produced by the anode into monochromatic x-ray radiation, wherein the anode is configured to produce x-ray radiation in transmission and is arranged between the cathode and the converter. The present disclosure may be used in medical imaging, therapy, spectroscopy, and the like. Geometries and configurations may be improved compared to previously known x-ray devices when it comes to requirements for space, materials used, complexity of electrical wiring, distance between cathode and anode, and providing supplementary functions.Type: GrantFiled: September 27, 2019Date of Patent: July 27, 2021Assignee: Siemens Healthcare GmbHInventors: Jörg Freudenberger, Anja Fritzler, Peter Geithner, Peter Hackenschmied, Thomas Weber
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Publication number: 20200187339Abstract: The present disclosure provides an x-ray device including a housing configured to provide a vacuum therein, a cathode arranged inside the housing and configured to emit electrons, an anode arranged inside the housing and configured to produce x-ray radiation when impacted by electrons emitted by the cathode, and a converter configured to convert the x-ray radiation produced by the anode into monochromatic x-ray radiation, wherein the anode is configured to produce x-ray radiation in transmission and is arranged between the cathode and the converter. The present disclosure may be used in medical imaging, therapy, spectroscopy, and the like. Geometries and configurations may be improved compared to previously known x-ray devices when it comes to requirements for space, materials used, complexity of electrical wiring, distance between cathode and anode, and providing supplementary functions.Type: ApplicationFiled: September 27, 2019Publication date: June 11, 2020Inventors: Jörg Freudenberger, Anja Fritzler, Peter Geithner, Peter Hackenschmied, Thomas Weber
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Publication number: 20200182806Abstract: An x-ray imaging system includes an x-ray source configured to emit x-ray radiation towards a sample, and a primary detector configured to detect x-ray radiation from the x-ray source passing through the sample. The x-ray imaging system also includes a secondary detector configured to detect x-ray radiation from the x-ray source scattered in the sample, and imaging optics configured to guide x-ray radiation scattered in the sample onto the secondary detector.Type: ApplicationFiled: September 27, 2019Publication date: June 11, 2020Inventors: Steffen Kappler, Marcus Radicke, Jörg Freudenberger, Anja Fritzler, Peter Geithner, Peter Hackenschmied, Thomas Weber
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Patent number: 10014430Abstract: A method is disclosed for detecting incident X-ray radiation by way of a direct-converting X-ray radiation detector. A semi-conductor material used for detection purposes is irradiated with additional radiation with an energy level of at least 1.6 eV in order to produce additional charge carriers. A direct-converting X-ray radiation detector is disclosed for detecting X-ray radiation, at least including a semi-conductor material used for X-ray detection and at least one radiation source which irradiates the semi-conductor material with additional radiation, the radiation having an energy level of at least 1.6 eV. A CT system including an X-ray radiation detector is also disclosed.Type: GrantFiled: July 10, 2013Date of Patent: July 3, 2018Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Peter Hackenschmied, Edgar Göderer, Christian Schröter, Matthias Strassburg, Stefan Wirth
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Patent number: 9829586Abstract: A method is disclosed for detecting x-rays using an x-ray detector which includes a direct-conversion semiconductor detector element. Additional radiation is supplied to the semiconductor detector element using a radiation source, and the supply of the additional radiation is controlled and/or regulated on the basis of a specified target value. In at least one embodiment, the target value can be specified in a variable manner over time as a sequence of target values. An x-ray detector system is further disclosed, with which the method can be carried out.Type: GrantFiled: July 9, 2013Date of Patent: November 28, 2017Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Edgar Göderer, Peter Hackenschmied, Steffen Kappler, Björn Kreisler, Miguel Labayen De Inza, Daniel Niederlöhner, Mario Reinwand, Christian Schröter, Matthias Strassburg, Stefan Wirth
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Patent number: 9753154Abstract: An X-ray detector is disclosed, in particular for a computed tomography system. In an embodiment, the X-ray detector includes a regular arrangement of measuring pixels for covering a measuring surface. A plurality of the measuring pixels of the regular arrangement are constructed as direct converting measuring pixels, and remaining ones of the measuring pixels are constructed as indirect converting measuring pixels.Type: GrantFiled: August 13, 2014Date of Patent: September 5, 2017Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Peter Hackenschmied, Christian Schröter, Matthias Strassburg
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Patent number: 9646731Abstract: A direct-converting x-ray radiation detector is disclosed for detecting x-ray radiation, in particular for use in a CT system. In an embodiment, the detector includes a semiconductor material used for detecting the x-ray radiation; at least one collimator; and at least one radiation source, to irradiate the semiconductor material with additional radiation. In at least one embodiment, the at least one collimator includes at least one reflection layer on a side facing the semiconductor material, on which the additional radiation is reflected to the semiconductor material. In another embodiment, a CT system including the direct-converting x-ray radiation detector, and a method for detecting incident x-ray radiation via a direct-converting x-ray radiation detector, in particular for use in a CT system, are disclosed.Type: GrantFiled: July 9, 2013Date of Patent: May 9, 2017Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Fabrice Dierre, Edgar Göderer, Peter Hackenschmied, Steffen Kappler, Björn Kreisler, Miguel Labayen De Inza, Daniel Niederlöhner, Mario Reinwand, Christian Schröter, Karl Stierstorfer, Matthias Strassburg, Justus Tonn, Stefan Wirth
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Patent number: 9419169Abstract: A production method of a semiconductor element of a direct-converting x-ray detector is disclosed, wherein at least one intermediate layer is applied to a semiconductor layer and at least one contact layer is applied to an exposed intermediate layer by chemically currentless deposition of a contact material from a solution in each instance. The materials for the individual layers are selected such that the electrochemical potential of the materials of the at least one intermediate layer is greater than the electrochemical potential of at least one element of the semiconductor layer and the electrochemical potential of the contact material of the contract layer is greater than the electrochemical potential of the materials of the intermediate layers. Semiconductor elements produced in accordance with the method, an x-ray detector with semiconductor elements, an x-ray system with an x-ray detector and also a CT system with an x-ray detector are also disclosed.Type: GrantFiled: August 22, 2013Date of Patent: August 16, 2016Assignee: Siemens AktiengesellschaftInventors: Fabrice Dierre, Peter Hackenschmied, Matthias Strassburg
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Patent number: 9113542Abstract: A method is disclosed for the temperature stabilization of a direct-converting X-ray detector, including a detector surface having a semiconductor and being divided into a plurality of partial detector surfaces. During the irradiation of the detector surface, heat is generated in the semiconductor by electric power. Electric power generated in the semiconductor is kept constant for each partial detector surface at least during a heterogeneous and/or temporally variable irradiation of the detector surface by feeding-in power-adjusted additional radiation for each partial detector surface. A direct-converting X-ray detector is disclosed for the detection of X-rays. At least one control loop with at least one reference variable is embodied for the energy regulation of the additional radiation, which keeps the temperature in the semiconductor constant for each partial detector surface by keeping the electric power in the semiconductor constant by changing the energy of the additional radiation.Type: GrantFiled: July 24, 2013Date of Patent: August 18, 2015Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Peter Hackenschmied, Christian Schröter
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Publication number: 20150221406Abstract: A direct-converting x-ray radiation detector is disclosed for detecting x-ray radiation, in particular for use in a CT system. In an embodiment, the detector includes a semiconductor material used for detecting the x-ray radiation; at least one collimator; and at least one radiation source, to irradiate the semiconductor material with additional radiation. In at least one embodiment, the at least one collimator includes at least one reflection layer on a side facing the semiconductor material, on which the additional radiation is reflected to the semiconductor material. In another embodiment, a CT system including the direct-converting x-ray radiation detector, and a method for detecting incident x-ray radiation via a direct-converting x-ray radiation detector, in particular for use in a CT system, are disclosed.Type: ApplicationFiled: July 9, 2013Publication date: August 6, 2015Inventors: Fabrice Dierre, Edgar Göderer, Peter Hackenschmied, Steffen Kappler, Björn Kreisler, Miguel Labayen De Inza, Daniel Niederlöhner, Mario Reinwand, Christian Schröter, Karl Stierstorfer, Matthias Strassburg, Justus Tonn, Stefan Wirth
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Patent number: 9097810Abstract: A direct radiation converter is disclosed which includes a radiation detection material having an anode side and a cathode side in which the radiation detection material has a doping profile running in the anode-side to cathode-side direction. A radiation detector is further disclosed having such a direct radiation converter and having an anode array and a cathode array, and optionally having evaluation electronics for reading out a detector signal, as well as a medical apparatus having such a radiation detector. Also described is a method for producing a direct radiation converter which includes incorporating into a radiation detection material a doping profile running in the anode-side to cathode-side direction.Type: GrantFiled: January 27, 2012Date of Patent: August 4, 2015Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Peter Hackenschmied, Christian Schröter, Matthias Strassburg
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Publication number: 20150212215Abstract: A method is disclosed for detecting x-rays using an x-ray detector which includes a direct-conversion semiconductor detector element. Additional radiation is supplied to the semiconductor detector element using a radiation source, and the supply of the additional radiation is controlled and/or regulated on the basis of a specified target value. In at least one embodiment, the target value can be specified in a variable manner over time as a sequence of target values. An x-ray detector system is further disclosed, with which the method can be carried out.Type: ApplicationFiled: July 9, 2013Publication date: July 30, 2015Inventors: Edgar Göderer, Peter Hackenschmied, Steffen Kappler, Björn Kreisler, Miguel Labayen De Inza, Daniel Niederlöhner, Mario Reinwand, Christian Schröter, Matthias Strassburg, Stefan Wirth
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Publication number: 20150168569Abstract: A method is disclosed for detecting incident X-ray radiation by way of a direct-converting X-ray radiation detector. A semi-conductor material used for detection purposes is irradiated with additional radiation with an energy level of at least 1.6 eV in order to produce additional charge carriers. A direct-converting X-ray radiation detector is disclosed for detecting X-ray radiation, at least including a semi-conductor material used for X-ray detection and at least one radiation source which irradiates the semi-conductor material with additional radiation, the radiation having an energy level of at least 1.6 eV. A CT system including an X-ray radiation detector is also disclosed.Type: ApplicationFiled: July 10, 2013Publication date: June 18, 2015Applicant: SIEMENS AKTIENGESELLSCHAFTInventors: Peter Hackenschmied, Edgar Göderer, Christian Schröter, Matthias Strassburg, Stefan Wirth
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Publication number: 20150060677Abstract: An X-ray detector is disclosed, in particular for a computed tomography system. In an embodiment, the X-ray detector includes a regular arrangement of measuring pixels for covering a measuring surface. A plurality of the measuring pixels of the regular arrangement are constructed as direct converting measuring pixels, and remaining ones of the measuring pixels are constructed as indirect converting measuring pixels.Type: ApplicationFiled: August 13, 2014Publication date: March 5, 2015Inventors: Peter HACKENSCHMIED, Christian SCHRÖTER, Matthias STRASSBURG
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Patent number: 8920686Abstract: A radiation converter material includes a semiconductor material used for directly converting radiation quanta into electrical charge carriers. In at least one embodiment, the semiconductor material includes a dopant in a dopant concentration and defect sites produced in a process-dictated manner in such a way that the semiconductor material includes an ohmic resistivity in a range of between 5·107 ?·cm and 2·109 ?·cm. Such a radiation converter material is particularly well matched to the requirements in particular in human-medical applications with regard to the high flux rate present and the spectral distribution of the radiation quanta. In at least one embodiment, the invention additionally relates to a radiation converter and a radiation detector, and a use of and a method for producing such a radiation converter material.Type: GrantFiled: January 28, 2011Date of Patent: December 30, 2014Assignee: Siemens AktiengesellschaftInventors: Peter Hackenschmied, Christian Schröter, Matthias Strassburg