PLATE GLASS, AND METHOD OF FORMING INFORMATION DISPLAY PORTION ON PLATE GLASS

摘要

PROBLEM TO BE SOLVED: To form an information display portion having excellent visibility on the surface of a plate glass without causing the deterioration of its strength.SOLUTION: A plate glass 1 according to the present invention has an information display portion 3 including a dot 6 as a constituent provided on its surface 2, with the dot 6 formed of an annular groove 7.SELECTED DRAWING: Figure 4