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EP 3 698 399 A1

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(43) Date of publication: 26.08.2020 Bulletin 2020/35 (21) Application number: 18868233.0 (22) Date of filing: 17.10.2018

(51) International Patent Classification (IPC):  H01L 23/367(2006.01) C23C 18/32(2006.01) H05K 7/20(2006.01) (86) International application number: PCT/US2018/056298 (87) International publication number: WO 2019/079459 (25.04.2019 Gazette 2019/17)

(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: 17.10.2017 US 201715786179 (71) Applicant: Wolverine Tube, Inc. Decatur, AL 35601 (US)	(72) Inventors: REEVES, Matthew, A. Decatur AL 35601 (US) HOLLAND, Robert, Scott Decatur AL 35601 (US) LOONG, Sy-Jenq Decatur AL 35601 (US) (74) Representative: Müller-Boré & Partner Patentanwälte PartG mbB  Friedenheimer Brücke 21 80639 München 80639 München (DE)