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Patent Searching and Data


Title:
SHEET FOR SUPPLYING MEMBER
Document Type and Number:
WIPO Patent Application WO/2022/210435
Kind Code:
A1
Abstract:
This sheet for supplying a member comprises: two or more protective cover members (3) which are to be disposed on a face of an object, said face having an opening; and a base material sheet (2), on a surface of which the two or more protective cover members (3) are disposed. The protective cover members (3) are each configured from a laminate (34) including: protective film (31) that has a shape that covers the opening when that member is disposed on the face; and a carrier film (33). The base material sheet (2) includes a base material layer (21) and an adhesive layer (22) which is laminated on the base material layer (21). The carrier film (33) is affixed to the base material layer (21) via the adhesive layer (22). The surface free energy of the carrier film (33), on the surface on the base material sheet (2) side, is not less than 20 mJ/m2. The tack strength of the adhesive layer (22) is not more than 100 mN/mm2.

Inventors:
INOUE TAKEO (JP)
TANAKA EISAKU (JP)
HIRAI BUNTA (JP)
KONTANI TOMOHIRO (JP)
Application Number:
PCT/JP2022/014709
Publication Date:
October 06, 2022
Filing Date:
March 25, 2022
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
International Classes:
H01L21/67; B32B3/10; H01L21/301
Domestic Patent References:
WO2021010197A12021-01-21
WO2011089664A12011-07-28
Foreign References:
JP2017092461A2017-05-25
JP2007194303A2007-08-02
JP2008303386A2008-12-18
Attorney, Agent or Firm:
KAMADA Koichi (JP)
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