Title:
The cutting method of a layered product
Document Type and Number:
Japanese Patent JP6032464
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To exactly cut a laminate formed by laminating and integrating glass sheets and a resin plate by optimizing a heat amount of laser fusing.SOLUTION: The laminate 1 formed by laminating and integrating the glass sheets 4 on both faces of the resin plate 2 is laser-fused by being irradiated with a laser beam LB from above. At this time, a focus point FP of the laser beam LB is focused on the laminate 1, and a position of the focus point FP is set within a range exceeding 50% and not larger than 90% of the total thickness of the laminate 1 from the upper face side.
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Inventors:
Yoshiharu Sanwa
Yoshinori Hasegawa
Takayuki Noda
Hiroki Mori
Michiharu Eda
Yoshinori Hasegawa
Takayuki Noda
Hiroki Mori
Michiharu Eda
Application Number:
JP2012110813A
Publication Date:
November 30, 2016
Filing Date:
May 14, 2012
Export Citation:
Assignee:
Nippon Electric Glass Co., Ltd.
International Classes:
B32B17/10; B23K26/00; B23K26/02; C03B33/07; C03B33/08
Domestic Patent References:
| JP2005179154A | ||||
| JP2002192371A | ||||
| JP2011051278A | ||||
| JP2007260708A | ||||
| JP2008168327A | ||||
| JP2008037094A | ||||
| JP2003122269A |
Foreign References:
| WO2007018028A1 |
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Shinichi Tomohiro
Tsuyoshi Kumano
Shinichi Tomohiro