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

  • US 20140150525A1
  • Filed: 02/04/2014
  • Published: 06/05/2014
  • Est. Priority Date: 08/04/2011
  • Status: Active Grant
First Claim
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1. A method for impact-testing a chemically strengthened glass having formed on a surface thereof a compressive stress layer,the method comprising disposing the chemically strengthened glass on a base, and dropping an impacting object 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 the compressive stress layer.

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