METHOD FOR IMPACT-TESTING CHEMICALLY STRENGTHENED GLASS, METHOD FOR REPRODUCING CRACKS IN CHEMICALLY STRENGTHENED GLASS, AND METHOD FOR MANUFACTURING CHEMICALLY STRENGTHENED GLASS

摘要

A chemically strengthened glass is disposed on a base, and an impacting object is dropped from above in a state where one surface of the chemically strengthened glass is in contact with an abrasive surface of a sandpaper containing an abrasive having a size of not smaller than a depth of a compressive stress layer.