Title:
LASER PROCESSING METHOD, PROCESSED ARTICLE, AND PROCESSING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2019/039034
Kind Code:
A1
Abstract:
Provided is a laser processing method for forming a code having a low possibility of degradation over time or tampering. This laser processing method includes a step of radiating a laser at a prescribed position in the interior of a light transmissive material to form a code in which prescribed information is recorded.
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Inventors:
UEDA JUN (JP)
Application Number:
PCT/JP2018/021715
Publication Date:
February 28, 2019
Filing Date:
June 06, 2018
Export Citation:
Assignee:
ROLAND DG CORP (JP)
International Classes:
B23K26/00; B23K26/53; B41M5/26
Domestic Patent References:
| WO2016084902A1 | 2016-06-02 | |||
| WO2012174545A1 | 2012-12-20 |
Foreign References:
| JP2017507889A | 2017-03-23 | |||
| JP2002087834A | 2002-03-27 |
Attorney, Agent or Firm:
ISSHIKI & CO. (JP)
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