Patents Assigned to BADEN-WURTTEMBERG STIFTUNG GGMBH
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Publication number: 20230191454Abstract: A method for preparing a stack of dielectric layer on a substrate. A substrate is provided and a first layer of liquid is printed onto a surface of the substrate. A first dielectric layer is formed by solidifying the first layer of liquid and a second layer of liquid is printed onto the first dielectric layer. A second dielectric layer is formed by solidifying the second layer of liquid. The liquid includes dielectric constituents and the liquid is printed such that droplets having a volume of less than one hundred nanoliters are locally deposited per square millimeter on the surface of the substrate.Type: ApplicationFiled: December 22, 2022Publication date: June 22, 2023Applicant: Baden-Württemberg Stiftung gGmbHInventors: Qiaoshuang ZHANG, Ulrich LEMMER, Qihao JIN
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Patent number: 11584490Abstract: The present invention relates to a surface cover for a body which can be brought into contact with a liquid, comprising: a layer which at least partly contains gas and which is designed and arranged such that at least some sections of a layer face facing the liquid contacts the liquid; a gas-permeable layer which is arranged on the gas-containing layer on a face that faces the body and is opposite the face facing the liquid or which is integrally formed with the gas-containing layer; and a gas-supplying device which is connected to the gas-permeable layer such that gas can flow from the gas-supplying device to the gas-containing layer through the gas-permeable layer. The invention also relates to an arrangement and a use.Type: GrantFiled: March 11, 2020Date of Patent: February 21, 2023Assignee: Baden-Württemberg Stiftung gGmbHInventor: Thomas Schimmel
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Patent number: 11536882Abstract: A method of fabricating an imaging system as well as to a corresponding imaging system. The method includes providing a substrate; and forming, by means of a 3D-printing technique, a 3D structure on the substrate, wherein the forming of the 3D structure includes forming a stack of at least two diffractive optical elements in a single printing step.Type: GrantFiled: July 18, 2017Date of Patent: December 27, 2022Assignee: BADEN-WÜRTTEMBERG STIFTUNG GGMBHInventors: Simon Thiele, Harald Giessen, Christof Pruss, Alois Herkommer
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Patent number: 10870243Abstract: The invention relates to a method and a device for producing at least one microstructure (5) on an axial end (1a) of an optical fiber (1). The method comprises the following steps: —providing (S10) the optical fiber (1); —wetting (S20) the axial end (1a) of the optical fiber (1) with photoresist (2); —orienting (S30) the optical fiber (1) and a writing beam of a 3D printer with respect to one another; —forming (S40) the at least one microstructure (5) by exposing the photoresist (2) to light with the aid of the 3D printer.Type: GrantFiled: October 7, 2016Date of Patent: December 22, 2020Assignees: BADEN-WÜRTTEMBERG STIFTUNG gGmbH, Nanoscribe GmbHInventors: Harald Gießen, Michael Thiel, Timo Gissibl
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Patent number: 10625833Abstract: The present invention relates to a surface cover for a body which can be brought into contact with a liquid, comprising: a layer which at least partly contains gas and which is designed and arranged such that at least some sections of a layer face facing the liquid contacts the liquid; a gas-permeable layer which is arranged on the gas-containing layer on a face that faces the body and is opposite the face facing the liquid or which is integrally formed with the gas-containing layer; and a gas-supplying device which is connected to the gas-permeable layer such that gas can flow from the gas-supplying device to the gas-containing layer through the gas-permeable layer. The invention also relates to an arrangement and a use.Type: GrantFiled: February 1, 2017Date of Patent: April 21, 2020Assignee: Baden-Württemberg Stiftung gGmbHInventor: Thomas Schimmel
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Publication number: 20200116988Abstract: An area scanning confocal microscope includes a pattern generation unit configured to generate or produce a line pattern comprising a plurality of lines, for example a plurality of straight parallel lines; a projection unit comprising a microscope objective configured to project the line pattern onto an object through the microscope objective, wherein the focal plane in which the line pattern is projected or imaged is tilted at a tilting angle with respect to an optical axis of the microscope, the tilting angle being equal to or greater than 0° and smaller than 90°, for example between 30° and smaller than 85°; and an imaging unit comprising a two-dimensional image detector configured to capture within one image frame of the image detector an image of the projected line pattern.Type: ApplicationFiled: October 10, 2019Publication date: April 16, 2020Applicant: BADEN-WÜRTTEMBERG STIFTUNG gGmbHInventor: Ding Luo
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Patent number: 10593873Abstract: A device for switchably influencing electromagnetic radiation includes a phase change material and an optically responsive structure. The phase change material is switchable between at least a first state and a second state. The first state and the second state have different electrical and/or magnetic properties. The optically responsive structure is in contact with the phase change material and has at least a first nanostructure and a second nanostructure. The first nanostructure is being different from the second nanostructure. The first nanostructure is optically responsive at a predetermined electromagnetic wavelength when the phase change material is in its first state, and non-responsive at the predetermined wavelength when the phase change material is in its second state.Type: GrantFiled: May 30, 2018Date of Patent: March 17, 2020Assignee: BADEN-WURTTEMBERG STIFTUNG GGMBHInventors: Harald Giessen, Xinghui Yin
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Patent number: 10359547Abstract: The present invention relates to an optical device (100) and a use of the optical device (100). The optical device (100) comprises: —a source electrode (2); —a drain electrode (4); —a gap area (6) between the source electrode (2) and the drain electrode (4); —a cluster (8) being positioned in the gap area (6) for connecting and disconnecting the source electrode (2) and the drain electrode (4) and for changing optical and/or plasmonic properties of the gap area (6); and an optical coupling element (10) for bringing light into and out of the gap area (6).Type: GrantFiled: June 3, 2016Date of Patent: July 23, 2019Assignee: BADEN-WURTTEMBERG STIFTUNG GGMBHInventor: Thomas Schimmel
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Publication number: 20180351092Abstract: A device for switchably influencing electromagnetic radiation includes a phase change material and an optically responsive structure. The phase change material is switchable between at least a first state and a second state. The first state and the second state have different electrical and/or magnetic properties. The optically responsive structure is in contact with the phase change material and has at least a first nanostructure and a second nanostructure. The first nanostructure is being different from the second nanostructure. The first nanostructure is optically responsive at a predetermined electromagnetic wavelength when the phase change material is in its first state, and non-responsive at the predetermined wavelength when the phase change material is in its second state.Type: ApplicationFiled: May 30, 2018Publication date: December 6, 2018Applicant: Baden-Wurttemberg Stiftung gGmbHInventors: Harald GIESSEN, Xinghui YIN
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Publication number: 20180281324Abstract: The invention relates to a method and a device for producing at least one microstructure (5) on an axial end (1a) of an optical fiber (1). The method comprises the following steps: —providing (S10) the optical fiber (1); —wetting (S20) the axial end (1a) of the optical fiber (1) with photoresist (2); —orienting (S30) the optical fiber (1) and a writing beam of a 3D printer with respect to one another; —forming (S40) the at least one microstructure (5) by exposing the photoresist (2) to light with the aid of the 3D printer.Type: ApplicationFiled: October 7, 2016Publication date: October 4, 2018Applicants: BADEN-WÜRTTEMBERG STIFTUNG gGmbH, Nanoscribe GmbHInventors: Harald Gießen, Michael Thiel, Timo Gissibl
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Patent number: 9630373Abstract: An aspect of the invention relates to a surface cover for a body which can be brought into contact with a liquid, comprising: a layer which at least partly contains gas and which is designed and arranged such that at least some sections of a layer face facing the liquid contacts the liquid; a gas-permeable layer which is arranged on the gas-containing layer on a face that faces the body and is opposite the face facing the liquid or which is integrally formed with the gas-containing layer; and a gas-supplying device which is connected to the gas-permeable layer such that gas can flow from the gas-supplying device to the gas-containing layer through the gas-permeable layer. The invention also relates to an arrangement and a use.Type: GrantFiled: February 22, 2013Date of Patent: April 25, 2017Assignee: Baden-Württemberg Stiftung gGmbHInventor: Thomas Schimmel
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Publication number: 20170059891Abstract: A device with switchable, chiral optical characteristics, has a first chiral arrangement with a first arrangement layer with at least one first nanostructure and a second arrangement layer with at least one second nanostructure. The first nanostructure and the second nanostructure are arranged relative to one another such that the chiral arrangement is chiral. A switching material with switchable dielectric characteristics is arranged between the first arrangement layer and the second arrangement layer.Type: ApplicationFiled: June 1, 2016Publication date: March 2, 2017Applicant: Baden-Wurttemberg Stiftung gGmbHInventors: Harald GIESSEN, Xinghui YIN
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Patent number: 8563955Abstract: The invention concerns a passive terahertz radiation source configured to emit electromagnetic radiation having frequency in the range of 10 GHz to 50 THz and a method for generating a terahertz radiation. The passive terahertz radiation source comprises: a source of a pulsed excitation light; an emitter comprising one or more emitter elements, each emitter element comprising a semiconductor layer being arranged such that at least a portion of a first major surface of said semiconductor layer is exposed to the excitation light, wherein each emitter element is configured such that upon exposure to the excitation light, a gradient of the charge carrier density is generated in the semiconductor layer in the area of transition between a first area of the semiconductor layer and a second area of the semiconductor layer, the gradient being substantially parallel to the first major surface of the semiconductor layer.Type: GrantFiled: June 9, 2009Date of Patent: October 22, 2013Assignee: Baden-Wurttemberg Stiftung GGmbHInventors: Thomas Dekorsy, Gregor Klatt, Georg Bastian, Klaus Huska
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Publication number: 20130156819Abstract: The present invention relates to peptides or fragments thereof, which peptides bind to mesenchymal stem cells. The present invention also relates to a method for identifying, isolating, specifically selecting and/or enriching mesenchymal stem cells, wherein the peptides, or fragments thereof, are employed for specifically binding to the mesenchymal stem cells. Also, the present invention relates to the use of the peptides of the invention, or fragments thereof, and of the mesenchymal stem cells isolated with the peptides of the invention, or fragments thereof, for treating, injuries and/or degenerated bone, cartilage or tissues.Type: ApplicationFiled: December 5, 2012Publication date: June 20, 2013Applicants: Baden-Württemberg Stiftung gGmbH, Eberhard-Karls-Universit°t Tübingen Universit°tsklinikumInventors: Eberhard-Karls-Universit°t Tübingen Universit°tskl, Baden-Württemberg Stiftung gGmbH
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Publication number: 20120132832Abstract: The invention concerns a passive terahertz radiation source configured to emit electromagnetic radiation having frequency in the range of 10 GHz to 50 THz and a method for generating a terahertz radiation. The passive terahertz radiation source comprises: a source of a pulsed excitation light; an emitter comprising one or more emitter elements, each emitter element comprising a semiconductor layer being arranged such that at least a portion of a first major surface of said semiconductor layer is exposed to the excitation light, wherein each emitter element is configured such that upon exposure to the excitation light, a gradient of the charge carrier density is generated in the semiconductor layer in the area of transition between a first area of the semiconductor layer and a second area of the semiconductor layer, the gradient being substantially parallel to the first major surface of the semiconductor layer.Type: ApplicationFiled: June 9, 2009Publication date: May 31, 2012Applicant: BADEN-WURTTEMBERG STIFTUNG GGMBHInventors: Thomas Dekorsy, Gregor Klatt, Georg Bastian, Klaus Huska