Patents by Inventor Florian Clement
Florian Clement 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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Publication number: 20240324682Abstract: A method of calibrating an inductive heating device for an aerosol-generating system is provided, the method performed by a controller and including: obtaining a sequence of calibration values of an inductive heating device for an aerosol-generating system, the sequence associated with a calibration curve, the device including an inductor to be coupled to a susceptor for heating an aerosol-forming substrate, the sequence including a sequence of either conductance or resistance values, and a value in the sequence being associated with a calibration temperature of the susceptor; smoothing the sequence to obtain a sequence of smoothed calibration values; determining a first derivative of the sequence of smoothed values; estimating a maximum value of the first derivative; determining at least one of a plateauing characteristic and a hill point value based on a first threshold associated with the estimated maximum value; and operating the device.Type: ApplicationFiled: July 12, 2022Publication date: October 3, 2024Applicant: Philip Morris Products S.A.Inventors: Yannick BUTIN, Florian Alexis CALVINO, Maxime Clément Charles CHATEAU
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Publication number: 20240262104Abstract: A device (1) for parallel dispensing a print medium (10) onto a substrate, in particular for producing one or more conductor tracks on a semiconductor substrate, having a printing unit (6), which includes a plurality of dispenser nozzles for simultaneous discharge of the print medium (10), and having a drive (5), which is configured to generate a relative movement between the printing unit (6) and the substrate (4) in a movement direction (7). At least first usnd second dispenser nozzles are arranged spaced apart from one another transversely in relation to the movement direction (7). The first dispenser nozzle and a third dispenser nozzle are arranged spaced apart from one another along a common first longitudinal axis at a first nozzle spacing, and the first longitudinal axis runs parallel to the movement direction (7).Type: ApplicationFiled: October 28, 2021Publication date: August 8, 2024Applicant: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Maximilian POSPISCHIL, Martin KUCHLER, Martin BREITENBÜCHER, Tim RIEBE, Sebastian TEPNER, Florian CLEMENT, Maximilian WEIL, Katharina GENSOWKI, Ana JIMENEZ CARDOZO
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Patent number: 11872801Abstract: A screen printing form (1, 1?) for use in screen printing, in particular for producing a metallic contact structure of a photovoltaic solar cell, having a woven screen printing fabric (1b) with a plurality of elongate woven fabric elements, which are arranged in a first element direction and a second element direction perpendicular thereto, and a stencil (1c), arranged on the woven screen printing fabric (1b) that has at least one opening formed as straight channel with a channel width BK. The woven fabric elements have a spacing AF in the first element direction and a spacing which deviates by less than 5% from AF in the second element direction, and the woven fabric elements have a diameter DG in the first element direction and a diameter which deviates by less than 5% from DG in the second element direction. A screen printing device and screen printing form are also provided.Type: GrantFiled: August 3, 2020Date of Patent: January 16, 2024Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Sebastian Tepner, Maximilian Pospischil, Andreas Lorenz, Linda Ney, Michael Linse, Florian Clement
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Publication number: 20230311476Abstract: A printing form for producing a structure of an electronic component, in particular a photovoltaic solar cell, having a screen frame and a screen, which is in the form of a sheet-like textile and has a multiplicity of elongate screen elements. The screen is arranged in the screen frame and the screen has at least one printing region which a printing paste can permeate and at least one barrier region which the printing paste cannot permeate. The elongate screen elements are made from glass fiber, carbon fiber and/or carbon nanotubes.Type: ApplicationFiled: July 30, 2021Publication date: October 5, 2023Applicant: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Sebastian TEPNER, Marius SINGLER, Andreas LORENZ, Linda NEY, Michael LINSE, Florian CLEMENT
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Patent number: 11508863Abstract: A a semiconductor component (1a, 1b) having a front side and an opposite rear side and also side surfaces, and also at least one emitter (2a, 2b) and at least one base (3a, 3b), wherein a pn junction (4a, 4b) is formed between emitter (2a, 2b) and base (3a, 3b) and the emitter (2a, 2b) extends parallel to the front and/or rear side. At least one side surface is a passivated separating surface (T), at which a separating surface passivation layer (6a, 6b) is arranged, which has stationary charges having a surface charge density at the separating surface (T) with a magnitude of greater than or equal to 1012 cm-2. A method for singulating a semiconductor component (1a, 1b) having a pn junction is also provided.Type: GrantFiled: September 24, 2019Date of Patent: November 22, 2022Assignee: Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V.Inventors: Elmar Lohmüller, Ralf Preu, Puzant Baliozian, Tobias Fellmeth, Nico Wöhrle, Pierre Saint-Cast, Florian Clement, Andreas Brand
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Publication number: 20220348001Abstract: A screen printing form (1, 1?) for use in screen printing, in particular for producing a metallic contact structure of a photovoltaic solar cell, having a woven screen printing fabric (1b) with a plurality of elongate woven fabric elements, which are arranged in a first element direction and a second element direction perpendicular thereto, and a stencil (1c), arranged on the woven screen printing fabric (1b) that has at least one opening formed as straight channel with a channel width BK. The woven fabric elements have a spacing AF in the first element direction and a spacing which deviates by less than 5% from AF in the second element direction, and the woven fabric elements have a diameter DG in the first element direction and a diameter which deviates by less than 5% from DG in the second element direction. A screen printing device and screen printing form are also provided.Type: ApplicationFiled: August 3, 2020Publication date: November 3, 2022Applicant: Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung E.V.Inventors: Sebastian TEPNER, Maximilian POPISCHIL, Andreas LORENZ, Linda NEY, Michael LINSE, Florian CLEMENT
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Publication number: 20220005964Abstract: A a semiconductor component (1a, 1b) having a front side and an opposite rear side and also side surfaces, and also at least one emitter (2a, 2b) and at least one base (3a, 3b), wherein a pn junction (4a, 4b) is formed between emitter (2a, 2b) and base (3a, 3b) and the emitter (2a, 2b) extends parallel to the front and/or rear side. At least one side surface is a passivated separating surface (T), at which a separating surface passivation layer (6a, 6b) is arranged, which has stationary charges having a surface charge density at the separating surface (T) with a magnitude of greater than or equal to 1012 cm-2. A method for singulating a semiconductor component (1a, 1b) having a pn junction is also provided.Type: ApplicationFiled: September 24, 2019Publication date: January 6, 2022Applicant: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Elmar LOHMÜLLER, Ralf PREU, Puzant BALIOZIAN, Tobias FELLMETH, Nico WÖHRLE, Pierre SAINT-CAST, Florian CLEMENT, Andreas BRAND
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Publication number: 20150243804Abstract: A photovoltaic solar cell with a front face designed for coupling light, including at least one cutout (4) extending from the front face to the rear face in the semiconductor substrate (1) of a base doping type, at least one metal feedthrough structure (10), wherein the feedthrough structure (10) is guided in the cutout (4) from the front face to the rear face of the semiconductor substrate and is connected in an electrically conductive manner to the metal front face contact structure (9), which is connected in an electrically conductive manner to an emitter region (2) of the opposite doping to the base doping type, formed on the front face, and at least one rear face contact structure (7), which is connected to the feedthrough structure (10) in an electrically conductive manner and is arranged on the electrically insulating insulation layer (6) on the rear face and covers the isolation layer at least in the regions surrounding the recess (4), and therefore the rear face contact structure (7) is electricallyType: ApplicationFiled: September 12, 2013Publication date: August 27, 2015Applicant: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Benjamin Thaidigsmann, Elmar Lohmuller, Florian Clement, Andreas Wolf, Daniel Biro, Ralf Preu
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Patent number: 9087940Abstract: The invention relates to a method for producing a photovoltaic solar cell having a front side designed for coupling in light, comprising the following method steps: A Producing a plurality of cutouts in a semiconductor substrate of a base doping type, B Producing one or more emitter regions of an emitter doping type at least at the front side of the semiconductor substrate, wherein the emitter doping type is opposite to the base doping type, C Applying an electrically insulating insulation layer and D Producing metallic feed through structures in the cutouts, at least one metallic base contact structure at the rear side of the solar cell, which is formed in an electrically conductive manner with the semiconductor substrate in a base doping region, at least one metallic front-side contact structure at the front side of the solar cell, which is formed in an electrically conductive manner with the emitter region at the front side of the semiconductor substrate, and at least one rear-side contact structure at theType: GrantFiled: July 11, 2011Date of Patent: July 21, 2015Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Benjamin Thaidigsmann, Florian Clement, Daniel Biro, Andreas Wolf, Ralf Preu
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Patent number: 8916415Abstract: A method for producing a metallic contact structure for making electrical contact with a photovoltaic solar cell, wherein, in order to create the contact structure, a paste, which contains metal particles, is applied to a surface of a carrier substrate via at least one dispensing opening, wherein the dispensing opening and the carrier substrate are moved in relation to one another during the dispensing of the paste. The paste is circulated in a circulating region, and in each case a part of the paste is branched off out of the circulating region at a plurality of branching points and each branching point is assigned at least one dispensing opening, via which the paste branched off at the branching point is applied to the surface of the carrier substrate, wherein the paste flows through a flow path having a length of less than 1 cm in each case between being branched off out of the circulating region and being dispensed from the dispensing opening assigned to the branching point.Type: GrantFiled: August 29, 2011Date of Patent: December 23, 2014Assignee: Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung E.V.Inventors: Daniel Biro, Jan Specht, Daniel Scheffler, Maximilian Pospischil, Florian Clement
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Publication number: 20140174500Abstract: A concentrator system having an optical concentrator and a receiver with a carrier substrate and at least one photovoltaic solar cell. The optical concentrator and the receiver are arranged to concentrate incident electromagnetic radiation onto a front side of the solar cell. The solar cell has at least one base and at least one emitter region and at least one metallic base contact structure electrically conductively connected to the base region for external interconnection, and at least one metallic emitter contact structure is electrically conductively connected to the emitter region external contact. The base and emitter contact structures are arranged on the front side of the solar cell. At least one base back-side metallization is provided, and the solar cell has at least one metallic base via structure that extends from the base back-side metallization to the base contact structure for electrically conductive connection by the base via structure.Type: ApplicationFiled: December 19, 2013Publication date: June 26, 2014Applicant: Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung E.V.Inventors: Tobias Fellmeth, Daniel Biro, Florian Clement
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Patent number: 8748310Abstract: A method for producing a metal contact structure of a photovoltaic solar cell, including: applying an electrically non-conductive insulating layer to a semiconductor substrate, applying a metal contact layer to the insulating layer, and generating a plurality of local electrically conductive connections between the semiconductor substrate and the contact layer right through the insulating layer. The metal contact layer is formed using two pastes containing metal particles: the first paste containing metal particles is applied to local regions, and the second paste containing metal particles is applied covering at least the regions covered with the first paste and partial regions located therebetween.Type: GrantFiled: June 16, 2011Date of Patent: June 10, 2014Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung E.V.Inventors: Daniel Biro, Benjamin Thaidigsmann, Florian Clement, Robert Woehl, Edgar-Allan Wotke
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Publication number: 20140026936Abstract: A photovoltaic solar cell for converting incident electromagnetic radiation into electrical energy, including at least one base region of a base-doping type, designed in a silicon substrate; at least one emitter region of an emitter-doping type that is of an opposite doping type to the base-doping type; at least one metallic base-contacting structure connected, in an electrically conductive manner, to the base region, and at least one metallic emitter-contacting structure connected, in an electrically conductive manner, to the emitter region, the base region and emitter region being arranged in such a manner that a pn-junction is formed at least in some regions between said base and emitter regions.Type: ApplicationFiled: January 26, 2012Publication date: January 30, 2014Applicant: Fraunhofer-Gesellschaft Zur Forderung Der Angewand ten Forschung E.V.Inventors: Benjamin Thaidigsmann, Florian Clement, Andreas Wolf, Daniel Biro
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Publication number: 20130224906Abstract: A method for producing a metallic contact structure for making electrical contact with a photovoltaic solar cell, wherein, in order to create the contact structure, a paste, which contains metal particles, is applied to a surface of a carrier substrate via at least one dispensing opening, wherein the dispensing opening and the carrier substrate are moved in relation to one another during the dispensing of the paste. The paste is circulated in a circulating region, and in each case a part of the paste is branched off out of the circulating region at a plurality of branching points and each branching point is assigned at least one dispensing opening, via which the paste branched off at the branching point is applied to the surface of the carrier substrate, wherein the paste flows through a flow path having a length of less than 1 cm in each case between being branched off out of the circulating region and being dispensed from the dispensing opening assigned to the branching point.Type: ApplicationFiled: August 29, 2011Publication date: August 29, 2013Applicant: Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V.Inventors: Daniel Biro, Jan Specht, Daniel Scheffler, Maximilian Pospischil, Florian Clement
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Publication number: 20130112262Abstract: The invention relates to a method for producing a photovoltaic solar cell having a front side designed for coupling in light, comprising the following method steps: A Producing a plurality of cutouts in a semiconductor substrate of a base doping type, B Producing one or more emitter regions of an emitter doping type at least at the front side of the semiconductor substrate, wherein the emitter doping type is opposite to the base doping type, C Applying an electrically insulating insulation layer and D Producing metallic feed through structures in the cutouts, at least one metallic base contact structure at the rear side of the solar cell, which is formed in an electrically conductive manner with the semiconductor substrate in a base doping region, at least one metallic front-side contact structure at the front side of the solar cell, which is formed in an electrically conductive manner with the emitter region at the front side of the semiconductor substrate, and at least one rear-side contact structure at theType: ApplicationFiled: July 11, 2011Publication date: May 9, 2013Applicant: Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V.Inventors: Benjamin Thaidigsmann, Florian Clement, Daniel Biro, Andreas Wolf, Ralf Preu
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Publication number: 20130095604Abstract: A method for producing a metal contact structure of a photovoltaic solar cell, including: applying an electrically non-conductive insulating layer to a semiconductor substrate, applying a metal contact layer to the insulating layer, and generating a plurality of local electrically conductive connections between the semiconductor substrate and the contact layer right through the insulating layer. The metal contact layer is formed using two pastes containing metal particles: the first paste containing metal particles is applied to local regions, and the second paste containing metal particles is applied covering at least the regions covered with the first paste and partial regions located therebetween.Type: ApplicationFiled: June 16, 2011Publication date: April 18, 2013Inventors: Daniel Biro, Benjamin Thaidigsmann, Florian Clement, Robert Woehl, Edgar-Allan Wotke
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Publication number: 20120074971Abstract: A measuring device for electrically measuring a measurement structure that can be electrically contacted at one measuring side, in particular an optoelectronic element, such as a solar cell, including at least two contacting units for electrically contacting the measurement structure and at least one support element for supporting the measurement structure with the measuring side on the support element. It is essential that the measuring device includes at least one suction line for the connection to the suction unit and at least one suction opening that is connected in a fluid-conducting manner to the suction line, wherein the suction opening is arranged in and/or on the support element such that the measurement structure can be pressed against the support element by suctioning via the suction opening. When the measurement structure rests on the support element, the contacting unit can be pressed against the measuring side of the measurement structure for the electrical contacting thereof.Type: ApplicationFiled: March 10, 2010Publication date: March 29, 2012Applicant: FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Markus Glatthaar, Stefan Rein, Daniel Biro, Florian Clement, Michael Menko, Alexander Krieg
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Publication number: 20110272020Abstract: A method for producing a solar cell from a silicon wafer, including the following process steps: A) texturizing one side of the silicon substrate (1) for improving the absorption or removing saw damage on one side of the silicon substrate (1); B) generating an emitter area (2) on one side of the silicon substrate (1) by diffusing in a doping material for forming a pn transition; C) removing a glass layer which comprises the doping material; D) applying a masking layer (3) which is a dielectric layer; E) removing one part of the material of the silicon substrate (1); F) applying metal structures (5, 6) for electrically contacting the solar cell. It is significant that thermal oxidation is performed between the process steps E and F for forming an oxide layer (4) and that the masking layer (3) and the oxide layer (4) remain on the silicon substrate (1) in the subsequent process steps.Type: ApplicationFiled: December 3, 2009Publication date: November 10, 2011Inventors: Daniel Biro, Oliver Schultz-Wittmann, Anke Lemke, Jochen Rentsch, Florian Clement, Marc Hofmann, Andreas Wolf, Luca Gautero, Sebastian Mack, Ralf Preu
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Publication number: 20110174355Abstract: A solar cell, in particular for connecting to a solar cell module, including at least one metallic base contact, at least one metallic emitter contact (5) and a semi-conductor structure having at least one base area and at least one emitter area (3). The base area and emitter area (2,3) are at least partially adjacent to each other forming a pn-junction, the base contact (6) being connected in an electrically conductive manner to the base area (2), the emitter contact (5) being connected in an electrically conductive manner to the emitter area (3), and the solar cells being arranged on the contact side (1) as a base and emitter contact (6,5). Essentially, the solar cell includes several metallic emitter contacts which are connected in an electrically conductive manner to the emitter area (3) and several metallic base contacts which are connected in an electrically conductive manner to the base area (2).Type: ApplicationFiled: August 25, 2009Publication date: July 21, 2011Applicant: Fraunhofer-Gesellschaft Zur forderung Der Angewandten Forschung E.V.Inventors: Daniel Biro, Nicola Mingirulli, Florian Clement, Ralf Preu, Robert Woehl
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Publication number: 20110155239Abstract: A solar cell having a semiconductor substrate with a front face and a rear face extending substantially parallel thereto, a front face metallization, a rear face metallization and at least three doped regions having at least two different conductivity types, including: a first doped region with a first conductivity type located on the front face of the semiconductor substrate and extends substantially over the entire front face; a second doped region with the opposite conductivity type to that of the first conductivity type located on the rear face and extends partially over said face; and a third doped region with the first conductivity type located on the rear face and extends partially over said face.Type: ApplicationFiled: May 29, 2009Publication date: June 30, 2011Applicant: Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V.Inventors: Daniel Biro, Florian Clement, Oliver Schultz-Wittmann