公开(公告)号：US11802080B2

公开(公告)日：2023-10-31

申请号：US17813372

申请日：2022-07-19

申请人： AGC Inc.

发明人： Yuha Kobayashi ,  Shigeto Kumano ,  Kaede Katsuno ,  Keisuke Hanashima ,  Kohei Horiuchi

IPC分类号： B32B3/00 ,  C03C23/00

CPC分类号： C03C23/0025

摘要： A glass substrate 10 has a mark provided on a surface 10A of the glass substrate 10, the mark including plural dots 104, a depth H of each of the dots 104 is 0.5 μm or larger and 7.0 μm or smaller, and an inclination angle of a side surface 104B of each of the dots 104 is 5° or larger and 56° or smaller.