Title:
LAMINATE AND PRODUCTION METHOD FOR SAME, AND POLYIMIDE FILM AND PRODUCTION METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2022/124056
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a laminate that makes it possible for a polyimide film and a glass substrate to be peeled apart without damaging the polyimide film or an element part, even if a dedicated device or the like is not used. A laminate that has a glass substrate and a polyimide layer that is layered on the glass substrate. When the surface roughness of the glass substrate has been measured, the maximum height difference Sz is 4–20 nm, and, per 5 μm×5 μm, the glass substrate has 100–1000 protrusions that have a height of at least 1/2 of the maximum height difference Sz.
Inventors:
FUKUKAWA KENICHI
HISAMUNE YUTAKA
URAKAMI TATSUHIRO
HISAMUNE YUTAKA
URAKAMI TATSUHIRO
Application Number:
PCT/JP2021/042661
Publication Date:
June 16, 2022
Filing Date:
November 19, 2021
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
B32B17/10; B32B27/34; C03C17/32
Domestic Patent References:
| WO2010071145A1 | 2010-06-24 | |||
| WO2015098886A1 | 2015-07-02 |
Foreign References:
| JP2015198176A | 2015-11-09 | |||
| JP2018193544A | 2018-12-06 | |||
| JP2016120663A | 2016-07-07 | |||
| JP2016050129A | 2016-04-11 | |||
| CN102548200A | 2012-07-04 |
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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