Title:
PROTECTIVE COVER MEMBER, SHEET FOR MEMBER SUPPLY, AND MICROELECTROMECHANICAL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/277190
Kind Code:
A1
Abstract:
The protective cover member provided by the present invention is arranged on a surface of an object, the surface having an opening, wherein the protective cover member is configured from a laminate including a protective film that has such a shape as to cover the opening when the protective cover member is arranged on the surface, and an adhesive layer. When the portion of the protective film that matches the adhesive layer as seen from a direction perpendicular to the main surface of the protective film is defined as a fixed portion of the protective film, an exposed surface of the protective film on the side opposite the side facing the adhesive layer overlaps the fixed portion as seen from the perpendicular direction and has a region A in which the contact angle to with respect methanol is 55 degrees or greater. The protective cover member includes a protective film and an adhesive layer and is suitable for reducing the area of the adhesive layer.
More Like This:
Inventors:
TANAKA EISAKU (JP)
INOUE TAKEO (JP)
ISHII KYOKO (JP)
INOUE TAKEO (JP)
ISHII KYOKO (JP)
Application Number:
PCT/JP2022/026516
Publication Date:
January 05, 2023
Filing Date:
July 01, 2022
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
C09J7/38; B81B7/02; C09J7/20
Domestic Patent References:
| WO2021010197A1 | 2021-01-21 |
Foreign References:
| JP2010000464A | 2010-01-07 | |||
| JP2019122890A | 2019-07-25 | |||
| JP2021501241A | 2021-01-14 | |||
| JP2002249737A | 2002-09-06 | |||
| JP2007081881A | 2007-03-29 |
Attorney, Agent or Firm:
KAMADA Koichi (JP)
Download PDF: