(19)

(11)

EP 3 861 839 A1

(12)

(43) Date of publication: 11.08.2021 Bulletin 2021/32 (21) Application number: 18936174.4 (22) Date of filing: 03.10.2018

(51) International Patent Classification (IPC):  H05K 7/20(2006.01) (86) International application number: PCT/US2018/054173 (87) International publication number: WO 2020/072048 (09.04.2020 Gazette 2020/15)

(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 (71) Applicant: Alion Science and Technology Corp. McLean, VA 22102 (US)	(72) Inventors: HARLOW, Michael NY 13131 (US) KEICHER, Craig, A. NY 13037 (US) (74) Representative: Viering, Jentschura & Partner mbB Patent- und Rechtsanwälte  Am Brauhaus 8 01099 Dresden 01099 Dresden (DE)