PROCEDIMIENTO PARA TRATAR SUSTRATOS DE VIDRIO Y SUSTRATOS DE VIDRIO PARA PRODUCIR PANTALLAS DE VISUALIZACION

• Main Authors: GY, RENE, GAUME, OLIVIER, DUISIT, GERALDINE
• Format: Patent
• Language: Spanish
• Published: 16.06.2005
• Edition: 7
• Subjects: CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; FREQUENCY-CHANGING; GLASS; JOINING GLASS TO GLASS OR OTHER MATERIALS; MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES; METALLURGY; MINERAL OR SLAG WOOL; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

Procedimiento de tratamiento de una hoja de vidrio, que consiste en una composición de vidrio que presenta un punto de deformación superior a 540ºC, destinada a la realización de una pantalla de visualización, caracterizado porque comprende, al menos un tratamiento de cambio iónico sobre, al menos una parte de la superficie de la hoja de vidrio y un tratamiento de precompactación, que consiste en un tratamiento térmico realizado a una temperatura inferior al punto de reblandecimiento dilatométrico. The subject of the invention is a process for treating a glass sheet which consists of a glass composition having a strain point above 540° C. and is intended for producing a display screen, the said process including at least one ion-exchange treatment on at least part of the surface of the glass sheet and a precontraction treatment.