公开(公告)号：US12168626B2

公开(公告)日：2024-12-17

申请号：US17305169

申请日：2021-07-01

Applicant: AGC Inc.

Inventor： Kazuki Kanehara ,  Eriko Maeda ,  Takumi Umada ,  Kenji Imakita

IPC: B32B15/04 ,  B32B17/06 ,  C03C3/085 ,  C03C3/087 ,  C03C3/093 ,  C03C4/14 ,  C03C21/00

Abstract: The present invention relates to a chemically strengthened glass having a sheet shape, having a compressive stress layer on a glass surface, having a compressive stress value on the glass surface of 800 MPa or more, having a sheet thickness (t) of 100 μm or more, having a depth of the compressive stress layer (DOL) of (t×0.1) μm or more, and satisfying: CSB>CSA>0, where DB is a depth in a range of 10 μm or more and not more than DOL from the glass surface, at which a compressive stress value is maximum; CSB is the compressive stress value at the depth DB; DΛ is a depth in a range of equal to or less than DB from the glass surface, at which a compressive stress value is minimum; and CSA is the compressive stress value at the depth DA.

公开(公告)号：US12145879B2

公开(公告)日：2024-11-19

申请号：US17339088

申请日：2021-06-04

Applicant: AGC Inc.

Inventor： Takumi Umada ,  Kenji Imakita ,  Yusuke Arai ,  Qing Li

IPC: B32B15/04 ,  B32B17/06 ,  C03C3/083 ,  C03C10/00

Abstract: The present invention relates to a chemically strengthened glass sheet in which a value of SB/(SA×t) is 5.0 mm−1 or more, where SA (MPa·μm) is an integrated value of a compressive stress from a surface of the glass sheet to a depth of 10 μm, SB (MPa·μm) is an integrated value of a compressive stress from the depth of 10 μm to DOL which is a depth at which the compressive stress is zero, and t (mm) is a thickness of the glass sheet.