Title:
LASER PROCESSING METHOD, METHOD FOR PRODUCING OPTICAL SHEET, AND LASER PROCESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/053879
Kind Code:
A1
Abstract:
This laser processing method includes a step for scanning a laser beam (LB) along a second direction intersecting a first direction, which is a longitudinal direction, using a polygon scanner (40) while transporting a long and narrow sheet member (10) in the first direction, thereby forming a two-dimensional pattern on the sheet member (10).
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Inventors:
WAKAYAMA SHUNYA (JP)
MATSUO NAOYUKI (JP)
MATSUO NAOYUKI (JP)
Application Number:
PCT/JP2022/033602
Publication Date:
April 06, 2023
Filing Date:
September 07, 2022
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
B23K26/082; B23K26/354; G02B26/12
Domestic Patent References:
| WO2018066285A1 | 2018-04-12 |
Foreign References:
| JP2000505949A | 2000-05-16 | |||
| JP2014048575A | 2014-03-17 | |||
| JP2020514238A | 2020-05-21 |
Attorney, Agent or Firm:
OKUDA Seiji (JP)
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