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Title:
ELONGATED LAMINATED SHEET AND ROLLED BODY THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/146605
Kind Code:
A1
Abstract:
[Problem] In order to reduce thickness variation in an elongated laminated sheet including: a resin film formation layer-having support sheet which has an approximately rectangular support sheet and an approximately rectangular resin formation layer formed on the support sheet, and which has an approximately rectangular ring frame holding means for holding a ring frame in a region surrounding the resin film formation layer when viewed along a plane; and an elongated release sheet, wherein a plurality of the support sheets having the resin film formation layer are independently and temporarily attached releasably along the long side direction of the release sheet and thereby formed on a release-treated surface of the release sheet on the inside thereof in the short side direction, tunneling is prevented from occurring in auxiliary sheets which in some cases are continuously laminated on the release-treated surface of the release sheet at both ends thereof in the short side direction. [Solution] In the elongated laminated sheet, the average peel strength between the auxiliary sheets and the release sheet is no less than 50mN/100mm, or the auxiliary sheets are not provided.

Inventors:
UEMICHI ATSUSHI (JP)
OKAMOTO NAOYA (JP)
NAKAISHI YASUNOBU (JP)
Application Number:
PCT/JP2019/001910
Publication Date:
August 01, 2019
Filing Date:
January 22, 2019
Export Citation:
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Assignee:
LINTEC CORP (JP)
International Classes:
B32B3/16; B32B7/06; C09J7/00; C09J7/40; H01L21/301
Domestic Patent References:
WO2015146254A12015-10-01
WO2017168825A12017-10-05
Foreign References:
JP2010083921A2010-04-15
JP2016111158A2016-06-20
JP2016213236A2016-12-15
Attorney, Agent or Firm:
MAEDA & SUZUKI (JP)
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