(19)

(11)

EP 2 815 435 A1

(12)

(43) Date of publication: 24.12.2014 Bulletin 2014/52 (21) Application number: 13713989.5 (22) Date of filing: 15.02.2013

(51) International Patent Classification (IPC):  H01L 31/045(0000.00) H01L 31/048(2014.01) (86) International application number: PCT/IB2013/051244 (87) International publication number: WO 2013/121392 (22.08.2013 Gazette 2013/34)

(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 Designated Extension States: BA ME (30) Priority: 16.02.2012 IT BS20120021 (71) Applicant: Torri Solare S.r.l. 25027 Quinzano d'Oglio (BS) (IT)	(72) Inventor: TORRI, Michele I-25027 Quinzano d'Oglio (BS) (IT) (74) Representative: Pes, Matteo  Biesse S.r.l. Via Corfù, 71 25124 Brescia 25124 Brescia (IT)