Title:
METHOD FOR PROCESSING TRANSPARENT MEMBER
Document Type and Number:
WIPO Patent Application WO/2022/102452
Kind Code:
A1
Abstract:
Provided is a method for processing a transparent member, said transparent member having a first surface which extends perpendicularly to the irradiation direction of laser light, and a second surface and third surface which are connected to the first surface, said method comprising a step for irradiation with the laser light from a direction perpendicular to the first surface and scanning the laser light along a direction parallel to the first surface, wherein the second surface of the transparent member is an inclined surface, or a inclined surface is disposed on the second surface side of the transparent member, and the laser light is reflected by the inclined surface toward the third surface of the transparent member, such that a modified region is formed in the third surface of the transparent member, from the first surface to the lower end of the third surface, in the irradiation direction of the laser light and in a region that is 2 mm deep from the third surface.
Inventors:
ISO TAKASHIGE (JP)
OIKAWA SEIJI (JP)
OIKAWA SEIJI (JP)
Application Number:
PCT/JP2021/040232
Publication Date:
May 19, 2022
Filing Date:
November 01, 2021
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
B23K26/53; B28D5/00; C03B33/09
Foreign References:
| JP2003340588A | 2003-12-02 | |||
| JP2005230863A | 2005-09-02 | |||
| JP2016215231A | 2016-12-22 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
Download PDF: