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(11)

EP 3 603 359 A1

(12)

(43) Date of publication: 05.02.2020 Bulletin 2020/06 (21) Application number: 17716479.5 (22) Date of filing: 29.03.2017

(51) International Patent Classification (IPC):  H05K 7/14(2006.01) H02J 3/36(2006.01) H01L 23/60(2006.01) H01T 19/00(2006.01) H01L 25/11(2006.01) (86) International application number: PCT/EP2017/057387 (87) International publication number: WO 2018/177515 (04.10.2018 Gazette 2018/40)

(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 Designated Validation States: MA MD (71) Applicant: ABB Schweiz AG 5400 Baden (CH)	(72) Inventor: LARSSON, Mats 723 48 Västerås (SE) (74) Representative: Kransell & Wennborg KB  P.O. Box 27834 115 93 Stockholm 115 93 Stockholm (SE)