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Title:
ROLLED BODY OF ELONGATED LAMINATED SHEET
Document Type and Number:
WIPO Patent Application WO/2019/146604
Kind Code:
A1
Abstract:
Problem: To prevent the occurrence of roll marks on a resin film formation layer in a rolled body formed by winding an elongated laminated sheet into a roll shape, the elongated laminated sheet including: a resin formation layer-having support sheet which has an approximately rectangular support sheet and an approximately rectangular resin film 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 elongated auxiliary sheets are continuously laminated and thereby formed on a release-treated surface of the release sheet at both ends thereof in the short side direction, and 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 the release-treated surface of the release sheet on the inside thereof in the short side direction. Solution: In the elongated laminated sheet, W2/W1≤1.6 is satisfied, where W1 is the distance between the resin film formation layer and the outer end of the auxiliary sheet when viewed along a plane from the resin film formation layer after removing the release sheet, and W2 is the width of the widest section of the auxiliary sheet when viewed along said plane.

Inventors:
UEMICHI Atsushi (23-23 Honcho Itabashi-k, Tokyo 01, 〒1730001, JP)
OKAMOTO Naoya (23-23 Honcho Itabashi-k, Tokyo 01, 〒1730001, JP)
NAKAISHI Yasunobu (23-23 Honcho Itabashi-k, Tokyo 01, 〒1730001, JP)
Application Number:
JP2019/001908
Publication Date:
August 01, 2019
Filing Date:
January 22, 2019
Export Citation:
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Assignee:
LINTEC CORPORATION (23-23 Honcho, Itabashi-ku Tokyo, 01, 〒1730001, JP)
International Classes:
B32B3/16; B32B7/06; C09J7/00; 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 (8F Iwanami Shoten Hitotsubashi Bldg, 5-5 Hitotsubashi 2-chome, Chiyoda-k, Tokyo 03, 〒1010003, JP)
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