公开(公告)号：US20240010539A1

公开(公告)日：2024-01-11

申请号：US18470909

申请日：2023-09-20

申请人： Schott AG

发明人： Hildegard Römer ,  Michael Hahn ,  Stefan Rosner ,  Volker Trinks ,  Rainer Eichholz ,  Christoph Bergmann ,  Armin Vogl ,  Jörg Hessenkemper ,  Horst Blei ,  Klaus Schönberger ,  Sybille Haas ,  Guido Räke ,  Stefan Schmitt ,  Christoph Berndhäuser ,  Olaf Claussen ,  Christopher Klein ,  Wolfgang Schmidbauer

IPC分类号： C03B5/03 ,  C03B5/225 ,  C03B5/02 ,  C03C3/091

CPC分类号： C03B5/03 ,  C03B5/225 ,  C03B5/023 ,  C03C3/091

摘要： A method of making glass products includes: heating material to obtain a glass melt; heating the glass melt in a melting tank having a melting tank bottom, the glass melt having a melt volume, a melt surface, and a viscosity of 102 dPas at a temperature above 1580° C. The glass melt is heated such that at least some of the glass melt has a viscosity of 102.5 dPas or less. An amount of thermal energy introduced directly into the melt volume is more than 60% of a total amount of thermal energy introduced into the glass melt. A maximum difference between a temperature at a location on the melt surface and a temperature at a location at the melting tank bottom vertically underneath the location on the melt surface is such that a difference in glass melt densities is less than 0.05 g/cm3 per meter distance between the locations.

公开(公告)号：US11890844B2

公开(公告)日：2024-02-06

申请号：US16450692

申请日：2019-06-24

申请人： SCHOTT AG

发明人： Armin Vogl ,  Thomas Schmiady ,  Thilo Zachau ,  Jochen Alkemper ,  Michael Meister ,  Christian Kunert ,  Lutz Klippe ,  Rüdiger Dietrich

IPC分类号： C03C3/083 ,  C03B17/06 ,  C03B18/02 ,  C03C3/087 ,  C03C21/00 ,  C03C3/093 ,  B32B3/26 ,  B32B17/10 ,  B32B3/30 ,  C03B23/023 ,  B32B3/02

CPC分类号： B32B3/263 ,  B32B3/02 ,  B32B3/26 ,  B32B3/30 ,  B32B17/10036 ,  B32B17/10045 ,  B32B17/10119 ,  B32B17/10137 ,  C03B17/064 ,  C03B18/02 ,  C03B23/023 ,  C03C3/083 ,  C03C3/087 ,  C03C3/093 ,  C03C21/002 ,  B32B2315/08 ,  B32B2329/04 ,  B32B2329/06 ,  B32B2551/00 ,  B32B2571/00 ,  B32B2605/006 ,  Y10T428/24777

摘要： A thin glass substrate, as well as a method and an apparatus are provided. The glass substrate has a glass having first and second main surfaces and elongated elevations on one of the main surfaces. The elevations rise in a normal direction, have a longitudinal extent that is greater than two times a transverse extent, and have a height, on average, that is less than 100 nm, and with a transverse extent of the elevation smaller than 40 mm. The method includes melting a glass, hot forming the glass, and adjusting a viscosity of the glass so that for the viscosity η1 for a first stretch over a first distance of up to 1.5 m downstream of a flow rate control component and y1 indicating a second distance to a location immediately downstream the flow rate control component the equation lg η1(y1)/dPa·s=(lg η01/dPa·s+a1(y1)) applies.

公开(公告)号：US12005687B2

公开(公告)日：2024-06-11

申请号：US18171925

申请日：2023-02-21

申请人： SCHOTT AG

发明人： Armin Vogl ,  Thomas Schmiady ,  Thilo Zachau ,  Jochen Alkemper ,  Michael Meister ,  Christian Kunert ,  Lutz Klippe ,  Rüdiger Dietrich

IPC分类号： B32B3/26 ,  B32B3/02 ,  B32B3/30 ,  B32B17/00 ,  B32B17/10 ,  C03B17/06 ,  C03B18/02 ,  C03B23/023 ,  C03C3/04 ,  C03C3/083 ,  C03C3/087 ,  C03C3/093 ,  C03C21/00

CPC分类号： B32B3/263 ,  B32B3/02 ,  B32B3/26 ,  B32B3/30 ,  B32B17/10036 ,  B32B17/10045 ,  B32B17/10119 ,  B32B17/10137 ,  C03B17/064 ,  C03B18/02 ,  C03B23/023 ,  C03C3/083 ,  C03C3/087 ,  C03C3/093 ,  C03C21/002 ,  B32B2315/08 ,  B32B2329/04 ,  B32B2329/06 ,  B32B2551/00 ,  B32B2571/00 ,  B32B2605/006 ,  Y10T428/24777

摘要： A thin glass substrate, as well as a method and an apparatus are provided. The glass substrate has a glass having first and second main surfaces and elongated elevations on one of the main surfaces. The elevations rise in a normal direction, have a longitudinal extent that is greater than two times a transverse extent, and have a height, on average, that is less than 100 nm, and with a transverse extent of the elevation smaller than 40 mm. The method includes melting a glass, hot forming the glass, and adjusting a viscosity of the glass so that for the viscosity η1 for a first stretch over a first distance of up to 1.5 m downstream of a flow rate control component and y1 indicating a second distance to a location immediately downstream the flow rate control component the equation lg η1(y1)/dPa·s=(lg η01/dPa·s+a1(y1)) applies.

公开(公告)号：US11745459B2

公开(公告)日：2023-09-05

申请号：US16851998

申请日：2020-04-17

申请人： SCHOTT AG

发明人： Armin Vogl ,  Thomas Schmiady ,  Thilo Zachau ,  Michael Meister ,  Jochen Alkemper ,  Christian Kunert ,  Lutz Klippe ,  Rüdiger Dietrich

IPC分类号： C03C3/083 ,  C03B17/06 ,  C03B18/02 ,  C03C3/087 ,  C03C3/093 ,  B32B3/26 ,  B32B17/10 ,  B32B3/30 ,  B32B3/02 ,  C03C21/00 ,  C03B23/023

CPC分类号： B32B3/263 ,  B32B3/02 ,  B32B3/26 ,  B32B3/30 ,  B32B17/10036 ,  B32B17/10045 ,  B32B17/10119 ,  B32B17/10137 ,  C03B17/064 ,  C03B18/02 ,  C03B23/023 ,  C03C3/083 ,  C03C3/087 ,  C03C3/093 ,  C03C21/002 ,  B32B2315/08 ,  B32B2329/04 ,  B32B2329/06 ,  B32B2551/00 ,  B32B2571/00 ,  B32B2605/006 ,  Y10T428/24777

摘要： Thin glass substrates are provided. Also provided are methods and apparatuses for the production thereof and provides a thin glass substrate of improved optical quality. The method includes, after the melting and before a hot forming process, adjusting the viscosity of the glass that is to be formed or has at least partially been formed is in a defined manner for the thin glass substrate to be obtained. The apparatus includes a device for melting, a device for hot forming, and also a device for defined adjustment of the viscosity of the glass to be formed into a thin glass substrate, and the device for defined adjustment of the viscosity of the glass to be formed into a thin glass substrate is arranged upstream of the device for hot forming.