Title:
ディスプレイ用ガラス基板およびディスプレイ用ガラス基板の製造方法
Document Type and Number:
Japanese Patent JP7311842
Kind Code:
B2
Abstract:
In relation to a glass plate G having an end surface Ga comprising a ground surface or a polished surface, a glass plate end surface inspecting method for inspecting the state of the end surface Ga is provided with: a treatment step of chemically treating the end surface Ga to promote the formation of recessed portions GC on the end surface Ga; an image capturing step of capturing an image 6 of the chemically treated end surface Ga; and a calculating step of using the image 6 to calculate the proportion of the surface area of the end surface Ga occupied by the surface area of the recessed portions GC.
Inventors:
Ayumu Tanaka
Hayato Oku
Yu Owada
Ainobu Hoshino
Hayato Oku
Yu Owada
Ainobu Hoshino
Application Number:
JP2020513208A
Publication Date:
July 20, 2023
Filing Date:
April 01, 2019
Export Citation:
Assignee:
Nippon Electric Glass Co., Ltd.
International Classes:
G01N21/88; G01N23/2251; G01N21/958; G02F1/1333
Domestic Patent References:
| JP2015187042A | ||||
| JP2006030067A | ||||
| JP2017100933A | ||||
| JP2004082226A |
Foreign References:
| CN107843604A |
Attorney, Agent or Firm:
Kunihiko Shiromura
Takeshi Kumano
Shinichi Tomohiro
Takeshi Kumano
Shinichi Tomohiro