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Title:
POLYIMIDE FILM, LAMINATE USING SAME, AND FLEXIBLE THIN-FILM SOLAR CELL
Document Type and Number:
WIPO Patent Application WO/2011/108542
Kind Code:
A1
Abstract:
Disclosed is a polyimide film obtained from an aromatic tetracarboxylic acid dianhydride and an aromatic diamine, wherein the average linear expansion coefficient (α1) at 50°C to 200°C is a positive value, and the ratio of the average linear expansion coefficient (α1) at 50°C to 200°C and the average linear expansion coefficient (α2) at 350°C to 450°C is 1.4 or less (α2/α1).

Inventors:
KAWAGISHI, Ken (8-1, Goi-Minamikaigan, Ichihara-sh, Chiba 45, 〒2900045, JP)
川岸 健 (〒45 千葉県市原市五井南海岸8-1 宇部興産株式会社内 Chiba, 〒2900045, JP)
HISANO, Nobuharu (1978-96, Oaza Kogushi, Ube-sh, Yamaguchi 33, 〒7558633, JP)
久野 信治 (〒33 山口県宇部市大字小串1978番地の96 宇部興産株式会社内 Yamaguchi, 〒7558633, JP)
YAMAGUCHI, Hiroaki (1978-96, Oaza Kogushi, Ube-sh, Yamaguchi 33, 〒7558633, JP)
Application Number:
JP2011/054634
Publication Date:
September 09, 2011
Filing Date:
March 01, 2011
Export Citation:
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Assignee:
UBE INDUSTRIES, LTD. (1978-96, Oaza Kogushi Ube-sh, Yamaguchi 33, 〒7558633, JP)
宇部興産株式会社 (〒33 山口県宇部市大字小串1978番地の96 Yamaguchi, 〒7558633, JP)
KAWAGISHI, Ken (8-1, Goi-Minamikaigan, Ichihara-sh, Chiba 45, 〒2900045, JP)
川岸 健 (〒45 千葉県市原市五井南海岸8-1 宇部興産株式会社内 Chiba, 〒2900045, JP)
HISANO, Nobuharu (1978-96, Oaza Kogushi, Ube-sh, Yamaguchi 33, 〒7558633, JP)
久野 信治 (〒33 山口県宇部市大字小串1978番地の96 宇部興産株式会社内 Yamaguchi, 〒7558633, JP)
International Classes:
C08J5/18; B29C41/12; B29C41/28; B32B9/00; H01L31/04
Attorney, Agent or Firm:
ITO, Katsuhiro et al. (7F TS Bldg, 3-10-9 Nihombashi-Kayabacho, Chuo-k, Tokyo 25, 〒1030025, JP)
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Claims: