Patents by Inventor Otmar Becker
Otmar Becker 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: 9862633Abstract: A lithium-containing, transparent glass-ceramic material is provided. The material has low thermal expansion and has an amorphous, lithium-depleted, vitreous surface zone. The zone is at least 50 nm thick on all sides and encloses a crystalline interior, which has high transmission. The material includes a transition region connecting the zone and the interior.Type: GrantFiled: December 29, 2015Date of Patent: January 9, 2018Assignee: SCHOTT AGInventors: Falk Gabel, Otmar Becker, Michael Glasenapp, Jan-Peter Ortmann, Petra Grewer, Veit Luther, Harald Striegler, Dietmar Wennemann, Thomas Schuler, Thoralf Johansson, Helga Goetz, Michael Bug, Guenther Siebenhaar, Gerhard Hahn, Friedrich-Georg Schroeder
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Publication number: 20160130171Abstract: A lithium-containing, transparent glass-ceramic material is provided. The material has low thermal expansion and has an amorphous, lithium-depleted, vitreous surface zone. The zone is at least 50 nm thick on all sides and encloses a crystalline interior, which has high transmission. The material includes a transition region connecting the zone and the interior.Type: ApplicationFiled: December 29, 2015Publication date: May 12, 2016Applicant: Schott AGInventors: Falk GABEL, Otmar BECKER, Michael GLASENAPP, Jan-Peter ORTMANN, Petra GREWER, Veit LUTHER, Harald STRIEGLER, Dietmar WENNEMANN, Thomas SCHULER, Thoralf JOHANSSON, Helga GOETZ, Michael BUG, Guenther SIEBENHAAR, Gerhard HAHN, Friedrich-Georg SCHROEDER
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Patent number: 9249045Abstract: A lithium-containing, transparent glass-ceramic material is provided. The material has low thermal expansion and has an amorphous, lithium-depleted, vitreous surface zone. The zone is at least 50 nm thick on all sides and encloses a crystalline interior, which has high transmission. The material includes a transition region connecting the zone and the interior.Type: GrantFiled: July 7, 2011Date of Patent: February 2, 2016Assignee: SCHOTT AGInventors: Falk Gabel, Otmar Becker, Michael Glasenapp, Jan-Peter Ortmann, Petra Grewer, Veit Luther, Harald Striegler, Dietmar Wennemann, Thomas Schuler, Thoralf Johansson, Helga Goetz, Michael Bug, Guenther Siebenhaar, Gerhard Hahn, Friedrich-Georg Schroeder
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Patent number: 8715817Abstract: A low-expansion glass ceramic plate, in which a black coating is applied directly or indirectly to at least some areas of at least one side of the plate and the coating contains precious metal. In order to produce a glass ceramic plate of this type that is opaque, while simultaneously retaining a sufficient degree of its thermal stability, according to this invention, the precious metal content in the coating is ?50 wt. %, the bismuth oxide content in the coating is at most 20 wt. %, and the layer thickness of the coating is at least 200 nm.Type: GrantFiled: April 24, 2009Date of Patent: May 6, 2014Assignee: Schott AGInventors: Harald Striegler, Otmar Becker
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Publication number: 20130224493Abstract: A lithium-containing, transparent glass-ceramic material is provided. The material has low thermal expansion and has an amorphous, lithium-depleted, vitreous surface zone. The zone is at least 50 nm thick on all sides and encloses a crystalline interior, which has high transmission. The material includes a transition region connecting the zone and the interior.Type: ApplicationFiled: July 7, 2011Publication date: August 29, 2013Applicant: SCHOTT AGInventors: Falk Gabel, Otmar Becker, Michael Glasenapp, Jan-Peter Ortmann, Petra Grewer, Veit Luther, Harald Striegler, Dietmar Wennemann, Thomas Schuler, Thoralf Johansson, Helga Goetz, Michael Bug, Guenther Benhaar, Gerhard Hahn, Friedrich-Georg Schroeder
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Publication number: 20120028015Abstract: Laminated, transparent set of panes made of brittle materials and interleaved laminated films, wherein the brittle materials are various glasses, special glasses, glass-ceramics, transparent ceramics and crystalline materials, process for producing and bending the set of panes and films, and its use thereof, as a bulletproof, unbreakable and shockproof glazing with a low weight per unit area.Type: ApplicationFiled: July 20, 2011Publication date: February 2, 2012Inventors: Andreas Langsdorf, Markus Heiss, Doris Moseler, Axel Ohlinger, Volker Seibert, Otmar Becker, Bernd Ruedinger, Thilo Zachau
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Patent number: 7939339Abstract: The invention relates to an arrangement for fluorescence amplification including a substrate, a fluorescence amplifier coating applied to the substrate, and a thin fluorescencable material which lies on the coating and emits light with the emission wavelength ?E when it is exposed to excitation light of an excitation wavelength ?A. The fluorescence amplifier coating includes an interference layer system of high-index and low-index dielectric layers, which reflects at least the excitation light. What is crucial for the design of the coating is that the fluorescencable material applied to the coating is arranged on the surface of the coating in the region of the maximum of the electric field amplitude of the standing wave with the excitation wavelength ?A, which is formed during exposure to the excitation light.Type: GrantFiled: March 17, 2005Date of Patent: May 10, 2011Assignee: Schott AGInventors: Niko Schultz, Samuel D. Conzone, Otmar Becker, Dan Haines, Edgar Pawlowski, Volker Scheumann
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Publication number: 20090305032Abstract: A low-expansion glass ceramic plate, in which a black coating is applied directly or indirectly to at least some areas of at least one side of the plate and the coating contains precious metal. In order to produce a glass ceramic plate of this type that is opaque, while simultaneously retaining a sufficient degree of its thermal stability, according to this invention, the precious metal content in the coating is ?50 wt. %, the bismuth oxide content in the coating is at most 20 wt. %, and the layer thickness of the coating is at least 200 nm.Type: ApplicationFiled: April 24, 2009Publication date: December 10, 2009Inventors: Harald Striegler, Otmar Becker
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Patent number: 7205252Abstract: The method produces a glass-ceramic article substantially in the form of a plate with improved high temperature difference resistance or strength. The glass-ceramic article contains keatite mixed crystals (KMK) or high quartz mixed crystals (HQMK) as well as the keatite mixed crystals (KMK). The method includes heating a glass-ceramic in a high quartz mixed crystal state to form the keatite mixed crystals with a heating rate of 20 K/min to 150 K/min, preferably more than 15 K/min, especially preferably more than 20 K/min. These high heating rates increase the temperature difference resistance.Type: GrantFiled: May 9, 2005Date of Patent: April 17, 2007Assignee: Schott AGInventors: Otmar Becker, Falk Gabel, Christian Roos, Bernd Ruedinger, Friedrich Siebers, Michael Bug, Ioannis Kosmas, Wolfgang Schmidbauer, Martin Mueller
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Patent number: 7141521Abstract: This invention relates to a flat float glass that can be prestressed or transformed into a glass ceramic with high quartz mixed crystals or keatite mixed crystals. To eliminate undesirable surface defects during floating and to achieve superior characteristics of the glass or of the glass ceramic, in particular with regard to a low coefficient of thermal expansion and high light transmittance, the glass has a concentration of less than 300 ppb Pt, less than 30 ppb Rh, less than 1.5 wt. % ZnO and less than 1 wt. % SnO2, and is refined during melting without the use of the conventional fining agents arsenic oxide and/or antimony oxide.Type: GrantFiled: December 27, 2004Date of Patent: November 28, 2006Assignee: Schott GlasInventors: Friedrich Siebers, Peter Nass, Gerhard Lautenschläger, Otmar Becker
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Patent number: 7137278Abstract: The process of the invention produces alkali-free aluminosilicate glass having an Al2O3-content of more than 12% by weight with the addition of from 0.005% by weight to 0.6% by weight of sulfate for batch formulation.Type: GrantFiled: March 25, 2003Date of Patent: November 21, 2006Assignee: Schott AGInventors: Franz Ott, Karin Naumann, Otmar Becker, Ralf Diezel
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Patent number: 7056848Abstract: The support plate for transporting products during thermal treatment at firing temperatures is a nonporous keatite glass ceramic supporting member without a glassy surface layer. It has a nubby structure on an underside thereof and preferably C-shaped rounded edges. A method of making the keatite glass ceramic supporting member is described.Type: GrantFiled: June 21, 2002Date of Patent: June 6, 2006Assignee: Schott AGInventors: Otmar Becker, Bernd Ruedinger, Gerhard Hahn, Michael Bug, Andreas Schminke, Fritz Schroeder, Klaus Schönberger, Erich Rodek, Friedrich Siebers, Rainer Best
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Patent number: 6992031Abstract: The invention relates to a method for producing aluminosilicate glass that is devoid of alkali and that has a B2O3 content of between 0 and <5 wt.-% and a BaO content in excess of 5.5 wt.-%. Said method is characterised by the addition of between 0.05 wt.-% and 1.0 wt.-% SnO2 during the preparation of the mixture.Type: GrantFiled: July 12, 2001Date of Patent: January 31, 2006Assignee: Schott GlasInventors: Karin Naumann, Franz Ott, Ralf Diezel, Otmar Becker
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Publication number: 20050252503Abstract: The translucent or opaque colored glass-ceramic article provides a cooking surface and has an adjustable light transmission in a visible range under 15%, as measured for a 4 mm sample thickness; a flaw-free upper surface with an impact resistance of greater than 18 cm breaking height, as tested with a 200 g steel ball in a falling ball test; a temperature difference resistance of greater than 500° C.; a high crystallinity with keatite mixed crystals as principal crystal phase in an interior of the glass-ceramic article and with a residual glass phase fraction of less than 8% by weight; a glassy upper surface layer of from 0.5 to 2.5 ?m thick, which is substantially free of high quartz mixed crystals and which inhibits chemical reactions, and a content of enriched ingredients in the residual glass phase in the interior of the glass-ceramic and in the glassy surface layer of ?Na2O+K2O+CaO+SrO+BaO+F+refining agents of from 0.2 to 1.6% by weight.Type: ApplicationFiled: May 9, 2005Publication date: November 17, 2005Inventors: Friedrich Siebers, Ulrich Schiffner, Otmar Becker, Wolfgang Schmidbauer, Ioannis Kosmas, Erich Rodek, Reiner Best
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Publication number: 20050255983Abstract: The method produces a glass-ceramic article substantially in the form of a plate with improved high temperature difference resistance or strength. The glass-ceramic article contains keatite mixed crystals (KMK) or high quartz mixed crystals (HQMK) as well as the keatite mixed crystals (KMK). The method includes heating a glass-ceramic in a high quartz mixed crystal state to form the keatite mixed crystals with a heating rate of 20 K/min to 150 K/min, preferably more than 15 K/min, especially preferably more than 20 K/min. These high heating rates increase the temperature difference resistance.Type: ApplicationFiled: May 9, 2005Publication date: November 17, 2005Inventors: Otmar Becker, Falk Gabel, Christian Roos, Bernd Ruedinger, Friedrich Siebers, Michael Bug, Ioannis Kosmas, Wolfgang Schmidbauer, Martin Mueller
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Publication number: 20050244860Abstract: The invention relates to an arrangement for fluorescence amplification including a substrate, a fluorescence amplifier coating applied to the substrate, and a thin fluorescencable material which lies on the coating and emits light with the emission wavelength ?E when it is exposed to excitation light of an excitation wavelength ?A. The fluorescence amplifier coating includes an interference layer system of high-index and low-index dielectric layers, which reflects at least the excitation light. What is crucial for the design of the coating is that the fluorescencable material applied to the coating is arranged on the surface of the coating in the region of the maximum of the electric field amplitude of the standing wave with the excitation wavelength ?A, which is formed during exposure to the excitation light.Type: ApplicationFiled: March 17, 2005Publication date: November 3, 2005Inventors: Niko Schultz, Samuel Conzone, Otmar Becker, Dan Haines, Edgar Pawlowski, Volker Scheumann
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Publication number: 20050143247Abstract: This invention relates to a flat float glass that can be prestressed or transformed into a glass ceramic with high quartz mixed crystals or keatite mixed crystals. To eliminate undesirable surface defects during floating and to achieve superior characteristics of the glass or of he glass ceramic, in particular with regard to a low coefficient of thermal expansion and high light transmittance, the glass has a concentration of less than 300 ppb Pt, less than 30 ppb Rh, less than 1.5 wt. % ZnO and less than 1 wt. % SnO2, and is refined during melting without the use of the conventional fining agents arsenic oxide and/or antimony oxide.Type: ApplicationFiled: December 27, 2004Publication date: June 30, 2005Applicant: Schott GlasInventors: Friedrich Siebers, Peter Nass, Gerhard Lautenschlager, Otmar Becker
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Patent number: 6851280Abstract: The present invention generally relates to a method of making halogen lamps and halogen lamp bulbs, as well as other analogous lamps and objects. The present invention also relates to apparatus used in a method of making halogen lamps and halogen lamp bulbs, as well as other analogous lamps and objects. The method minimizes contamination in the body of the glass and minimizes reaction of lamp halogen with the interior of a halogen lamp.Type: GrantFiled: March 30, 2001Date of Patent: February 8, 2005Assignee: Schott GlasInventors: Franz Ott, Otmar Becker, Karin Naumann
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Patent number: 6846760Abstract: This invention relates to a flat float glass that can be prestressed or transformed into a glass ceramic with high quartz mixed crystals or keatite mixed crystals. To eliminate undesirable surface defects during floating and to achieve superior characteristics of the glass or of he glass ceramic, in particular with regard to a low coefficient of thermal expansion and high light transmittance, the glass has a concentration of less than 300 ppb Pt, less than 30 ppb Rh, less than 1.5 wt. % ZnO and less than 1 wt. % SnO2, and is refined during melting without the use of the conventional fining agents arsenic oxide and/or antimony oxide.Type: GrantFiled: April 9, 2001Date of Patent: January 25, 2005Assignee: Schott GlasInventors: Friedrich Siebers, Peter Nass, Gerhard Lautenschläger, Otmar Becker
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Publication number: 20040132602Abstract: Commercially obtained combustion aids typically consist of cordierite, fused silica or Si/SiC, which cannot meet the high thermal and also mechanical requirements in the necessary context, or only in a highly limited manner. The invention relates to a glass-ceramic combustion aid in the form of a non-porous keatite glass ceramic without a vitreous surface layer. Said combustion aid has high thermal stability and resistance to thermal shocks, practically no mechanical interaction, especially no porosity and adhesive effects, with the product to be baked, and can also be obtained in large formats having small thicknesses, as a mechanically stable bearing plate.Type: ApplicationFiled: December 19, 2003Publication date: July 8, 2004Inventors: Otmar Becker, Bernd Ruedinger, Gerhard Hahn, Michael Bug, Andreas Schminke, Fritz Schroeder, Klaus Schonberger, Erich Rodek, Friedrich Stebers, Rainer Best