Patent ID: 11945747
Assignee: CORNING INCORPORATED
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  H  G | IPC C

Claim 17:
18. The method of claim 16 wherein the glass article has at least one of the following properties:
(i) a depth of compression greater than or equal to 0.15 t, where t is a thickness of the glass article;
(ii) a depth of compression from greater than or equal to 0.15 t to less than or equal to 0.25 t, where t is a thickness of the glass article;
(iii) a central tension from greater than or equal to 30 MPa to less than or equal to 150 MPa;
(iv) a Knoop Scratch Lateral Cracking Threshold of greater than or equal to 5 N to less than or equal to 24 N;
(v) an Indentation Fracture Threshold of greater than or equal to 15 kgf;
(vi) a compressive stress at the surface of its compressive stress layer from greater than or equal to 300 MPa to less than or equal to 950 MPa.