Title:
GLASS ARTICLE MANUFACTURING METHOD, GLASS ARTICLE, COVER GLASS, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/259963
Kind Code:
A1
Abstract:
The present invention relates to a glass article manufacturing method having the following steps (A) to (C). (A) A plurality of virtual lines parallel to each other are set on a main surface of a glass plate. (B) Each of the plurality of virtual lines is irradiated with a laser beam to form a modified portion in the glass plate along each of the plurality of virtual lines. (C) Stress is applied to the glass plate to cut the glass plate along the virtual lines. The interval between virtual lines which are adjacent to each other is at least 2.0 μm but less than 30 μm.
Inventors:
FUJIWARA TAKUMA (JP)
SAITO ISAO (JP)
SAITO ISAO (JP)
Application Number:
PCT/JP2022/022563
Publication Date:
December 15, 2022
Filing Date:
June 02, 2022
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
C03B33/09; B23K26/53; B26F3/00; B28D5/00
Foreign References:
| JP2017128493A | 2017-07-27 | |||
| JP2012224531A | 2012-11-15 | |||
| JP2015156427A | 2015-08-27 | |||
| JP2013536081A | 2013-09-19 | |||
| JP2021098236A | 2021-07-01 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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