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(11)

EP 2 732 472 A1

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(43) Date of publication: 21.05.2014 Bulletin 2014/21 (21) Application number: 12748759.3 (22) Date of filing: 11.07.2012

(51) International Patent Classification (IPC):  H01L 31/02(2006.01) H02H 3/24(2006.01) H01L 31/048(2014.01) (86) International application number: PCT/IB2012/001363 (87) International publication number: WO 2013/008084 (17.01.2013 Gazette 2013/03)

(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: 13.07.2011 IT TO20110616 (71) Applicant: EHW-Research S.A.S. 83500 La Seyne Sur Mer (FR)	(72) Inventors: HAUF, Harald F-83500 La Seyne Sur Mer (FR) ROSSI, Didier F-83100 Toulon (FR) BIANCONI, Enrico I-10040 Rivalta (TO) (IT) (74) Representative: Di Gennaro, Sergio  Barzanò & Zanardo Milano S.p.A. Corso Vittorio Emanuele II, 61 10128 Torino 10128 Torino (IT)