(19)

(11)

EP 2 815 441 A1

(12)

(43) Date of publication: 24.12.2014 Bulletin 2014/52 (21) Application number: 13711825.3 (22) Date of filing: 12.02.2013

(51) International Patent Classification (IPC):  H01L 41/047(2006.01) H01L 41/193(2006.01) H01L 41/083(2006.01) H01L 41/293(2013.01) (86) International application number: PCT/DK2013/000014 (87) International publication number: WO 2013/120493 (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: 14.02.2012 DK 201200117 (71) Applicant: Danfoss Polypower A/S 6430 Nordborg (DK)	(72) Inventors: POOLE, Alan, David DK-6400 Soenderborg (DK) OUBAEK, Jakob DK-6200 Aabenraa (DK) (74) Representative: Knoblauch, Andreas  Patentanwälte Dr. Knoblauch Schlosserstrasse 23 60322 Frankfurt 60322 Frankfurt (DE)