GLASS PLATE FOR TEMPERING, TEMPERED GLASS PLATE, AND METHOD FOR MANUFACTURING TEMPERED GLASS PLATE

摘要

A glass sheet to be tempered of the present invention is a glass sheet to be tempered having a sheet area of 0.01 m² or more and a sheet thickness of 1.5 mm or less, in which the glass sheet to be tempered has a maximum value of a retardation in an effective surface measured at an interval of 50 mm of 5.0 nm or less.