公开(公告)号：US11691914B2

公开(公告)日：2023-07-04

申请号：US17304671

申请日：2021-06-24

Applicant: AGC Inc.

Inventor： Shingo Seki ,  Osamu Sato

IPC: C03C23/00 ,  C03C15/00 ,  C03C21/00 ,  C03C17/00

CPC classification number: C03C23/0025 ,  C03C15/00 ,  C03C17/002 ,  C03C21/002 ,  C03C2218/112 ,  C03C2218/119 ,  Y10T428/24479

Abstract: A glass member includes a recessed portion, wherein in cross-sectional view, an angle formed between a principal surface of the glass member and an edge face of an opening of the recessed portion is 90 degrees to 130 degrees.