RAW GLASS PLATE, METHOD FOR PRODUCING RAW GLASS PLATE, AND METHOD FOR PRODUCING CHEMICALLY REINFORCED GLASS

摘要

A raw glass plate produced by shaping a molten glass into a plate continuously, subsequently gradually cooling and, at the same time, chemically reinforcing the plate, and subsequently cutting the plate. The raw glass plate has a compression stress layer, wherein the compression stress layer has a depth of 12 μm or less and the outermost surface of the compression stress layer has a compressive stress of more than 500 MPa.