(19)

(11)

EP 3 679 599 A1

(12)

(43) Date of publication: 15.07.2020 Bulletin 2020/29 (21) Application number: 18853638.7 (22) Date of filing: 10.09.2018

(51) International Patent Classification (IPC):  H01L 21/822(2006.01) H01G 4/232(2006.01) H01L 21/8224(2006.01) H01G 4/38(2006.01) (86) International application number: PCT/US2018/050142 (87) International publication number: WO 2019/051346 (14.03.2019 Gazette 2019/11)

(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: KH MA MD TN (30) Priority: 08.09.2017 US 201715699654 06.11.2017 US 201715804515 22.12.2017 US 201715852799 (71) Applicant: Kemet Electronics Corporation Fort Lauderdale, FL 33301 (US)	(72) Inventors: BURK, James, A. Simpsonville SC 29681 (US) BULTITUDE, John Simpsonville SC 29681 (US) MILLER, Galen, W. Simpsonville SC 29681 (US) MCCONNELL, John, E. Blountville TN 37617 (US) (74) Representative: Goodman, Simon John Nye  Reddie & Grose LLP The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)