REINFORCED GLASS BOARD WITH MARKING AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide a reinforced glass board with a marking formed by a raser. SOLUTION: In this manufacturing method of reinforced glass, a glass board for marking is prepared (process S1), the glass board is put on a work table of a raser irradiation unit, and a raser beam is irradiat...

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Bibliographic Details
Main Authors JIBIKI SATOSHI, OBARA SHOHEI, MATSUSHITA YOSHIMITSU
Format Patent
LanguageEnglish
Published 24.11.2005
Edition7
Subjects
CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS
CHEMISTRY
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
GLASS
JOINING GLASS TO GLASS OR OTHER MATERIALS
MACHINE TOOLS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METAL-WORKING NOT OTHERWISE PROVIDED FOR
METALLURGY
MINERAL OR SLAG WOOL
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS
SURFACE TREATMENT OF GLASS
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Summary:PROBLEM TO BE SOLVED: To provide a reinforced glass board with a marking formed by a raser. SOLUTION: In this manufacturing method of reinforced glass, a glass board for marking is prepared (process S1), the glass board is put on a work table of a raser irradiation unit, and a raser beam is irradiated to form micro-cracks in the glass board (process S2), and the glass is put in a reinforcing furnace, heated and then abruptly cooled (process S3), and by the heating and the abrupt cooling the growth of micro-cracks and the reinforcing of the glass are realized. Marking is formed by an aggregate of the micro-cracks. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20040145951