Method for locally deforming a flat surface of a substrate made of glass or a glass ceramic, and an operating element produced with said method

The invention locally deforms a flat surface of a substrate made of glass or a glass ceramic by applying heat exclusively within a locally limited region via the flat surface by laser radiation, a gas flame, infrared radiation, microwaves or a plasma discharge directed towards the flat surface of th...

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Bibliographische Detailangaben
Hauptverfasser:	Lang, Britta, Kübler, Rainer, Rist, Tobias, Gumbsch, Peter, Gremmelspacher, Matthias
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES CALCULATING CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING GLASS INSTRUMENTATION OR DASHBOARDS FOR VEHICLES JOINING GLASS TO GLASS OR OTHER MATERIALS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS PHYSICS SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The invention locally deforms a flat surface of a substrate made of glass or a glass ceramic by applying heat exclusively within a locally limited region via the flat surface by laser radiation, a gas flame, infrared radiation, microwaves or a plasma discharge directed towards the flat surface of the substrate to soften the substrate at least on the flat surface within the locally limited region; applies a force acting on the softened flat surface within the locally limited region which deforms the softened surface of the substrate within the locally limited region; cools the substrate to obtain a set deformed surface within the locally limited region; and applies heat exclusively within the locally limited region via the flat surface of the substrate to produce a temperature and viscosity gradient inside the substrate laterally and orthogonal to the flat surface within the locally limited region.