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EP 1 858 950 A1

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(43) Date of publication: 28.11.2007 Bulletin 2007/48 (21) Application number: 06714350.3 (22) Date of filing: 16.02.2006

(51) International Patent Classification (IPC):  C08G 59/42(2006.01) H01L 23/00(2006.01) C08G 59/20(2006.01) C08L 63/00(2006.01) (86) International application number: PCT/JP2006/303210 (87) International publication number: WO 2006/088230 (24.08.2006 Gazette 2006/34)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 21.02.2005 JP 2005043969 (71) Applicant: SHOWA DENKO KABUSHIKI KAISHA Tokyo 105-8518 (JP)	(72) Inventors: MIYAJIMA, Yoshio hioji-shi, Tokyo, 1930822 (JP) WADA, Tetsuo hioji-shi, Tokyo, 1930822 (JP) NAKAMURA, Ayako hioji-shi, Tokyo, 1930822 (JP) (74) Representative: Strehl Schübel-Hopf & Partner  Maximilianstrasse 54 80538 München 80538 München (DE)