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(11)

EP 2 542 351 A2

(12)

(88) Date of publication A3: 10.11.2011 (43) Date of publication: 09.01.2013 Bulletin 2013/02 (21) Application number: 11708581.1 (22) Date of filing: 09.02.2011

(51) International Patent Classification (IPC):  B05C 5/02(2006.01) H01L 23/24(2006.01) B05C 11/10(2006.01) H05K 3/00(2006.01) (86) International application number: PCT/JP2011/053309 (87) International publication number: WO 2011/108358 (09.09.2011 Gazette 2011/36)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 03.03.2010 JP 2010046768 (71) Applicant: Dow Corning Toray Co., Ltd. Tokyo, 100-0004 (JP)	(72) Inventors: IMAIZUMI Toru Ichihara-shi Chiba 299-0108 (JP) OZAKI Kouichi Ichihara-shi Chiba 299-0108 (JP) (74) Representative: Earnshaw, Geoffrey Mark  Murgitroyd & Company Scotland House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)