(19)

(11)

EP 4 397 140 A1

(12)

(43) Date of publication: 10.07.2024 Bulletin 2024/28 (21) Application number: 22786148.1 (22) Date of filing: 26.08.2022

(51) International Patent Classification (IPC):  H05K 1/02(2006.01) H05K 1/14(2006.01) H05K 1/11(2006.01) H05K 1/18(2006.01) (52) Cooperative Patent Classification (CPC): H05K 1/144; H05K 1/117; H05K 1/0263; H05K 1/0224; H05K 1/181; H05K 1/0298; H05K 2201/041; H05K 2201/0919; H05K 2201/09672; H05K 2201/093; H05K 2201/10734; H05K 2201/0352 (86) International application number: PCT/US2022/041645 (87) International publication number: WO 2023/034136 (09.03.2023 Gazette 2023/10)

(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: 03.09.2021 US 202163240620 P 24.03.2022 US 202217702892 (71) Applicant: Cisco Technology, Inc. San Jose, CA 95134-1706 (US)	(72) Inventors: ACHKIR, D., Brice Livermore, CA 94550 (US) PUNJABI, Shobhana, Ram San Jose, CA 95135 (US) XUE, Jie Dublin, CA 94568 (US) (74) Representative: Noble, Nicholas et al Kilburn & Strode LLP Lacon London 84 Theobalds Road London WC1X 8NL London WC1X 8NL (GB)