公开(公告)号：US11286201B2

公开(公告)日：2022-03-29

申请号：US15874357

申请日：2018-01-18

Applicant: AGC Inc.

Inventor： Kazunobu Maeshige ,  Nobutaka Aomine ,  Hiroyuki Okawa ,  Kiyoshi Tamai ,  Hitoshi Onoda ,  Makoto Sano ,  Yusuke Kobayashi

IPC: C03C17/34 ,  B32B17/10 ,  B32B33/00 ,  C03C17/22 ,  C03C17/02 ,  C03C3/087 ,  G03B27/62 ,  C03C21/00 ,  C03C23/00

Abstract: The present invention provides a cover glass and a glass laminate which are reduced in warpage, and have excellent scratch resistance, low reflecting properties and excellent optical properties. According to the present invention, a cover glass and a glass laminate which are reduced in glass warpage, retain the effect of scratch resistance, and have low reflecting properties and excellent optical properties can be provided by alternately superposing a film including a high-refractive-index material and a film including a low-refractive-index material, in given amounts.

公开(公告)号：US10766222B2

公开(公告)日：2020-09-08

申请号：US16395322

申请日：2019-04-26

Applicant: AGC Inc.

Inventor： Masao Ozeki ,  Masahiko Tada ,  Makoto Sano ,  Osami Taito

IPC: B32B3/02 ,  C03C15/00 ,  B32B17/06 ,  G06F3/043 ,  G06F3/044 ,  H04M1/02 ,  C03C3/085 ,  C03C17/00 ,  C03C21/00 ,  C03C3/076 ,  C03C3/078

Abstract: In a glass substrate for extracting therefrom a plurality of cover glasses to protect a protection object, plural concave portions are provided in a front surface or back surface of the glass substrate. The glass substrate includes plural thin portions formed by providing the plural concave portions and a thick portion connecting to the thin portion, and a haze value of the thin portion is 8% or less.

公开(公告)号：US20190248098A1

公开(公告)日：2019-08-15

申请号：US16395322

申请日：2019-04-26

Applicant: AGC Inc.

Inventor： Masao OZEKI ,  Masahiko Tada ,  Makoto Sano ,  Osami Taito

IPC: B32B3/02 ,  B32B17/06 ,  C03C15/00

Abstract: In a glass substrate for extracting therefrom a plurality of cover glasses to protect a protection object, plural concave portions are provided in a front surface or back surface of the glass substrate. The glass substrate includes plural thin portions formed by providing the plural concave portions and a thick portion connecting to the thin portion, and a haze value of the thin portion is 8% or less.

公开(公告)号：US10442151B2

公开(公告)日：2019-10-15

申请号：US15172490

申请日：2016-06-03

Applicant: AGC Inc.

Inventor： Masao Ozeki ,  Masahiko Tada ,  Makoto Sano ,  Osami Taito

IPC: B32B3/02 ,  G06F3/043 ,  G06F3/044 ,  C03C15/00 ,  B32B17/06 ,  H04M1/02

Abstract: In a glass substrate for extracting therefrom a plurality of cover glasses to protect a protection object, plural concave portions are provided in a front surface or back surface of the glass substrate. The glass substrate includes plural thin portions formed by providing the plural concave portions and a thick portion connecting to the thin portion, and a haze value of the thin portion is 8% or less.