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(11)

EP 4 424 117 A1

(12)

(43) Date of publication: 04.09.2024 Bulletin 2024/36 (21) Application number: 22888149.6 (22) Date of filing: 26.10.2022

(51) International Patent Classification (IPC):  H05K 1/11(2006.01) H05K 3/04(2006.01) H05K 3/46(2006.01) H05K 3/02(2006.01) H05K 3/42(2006.01) (52) Cooperative Patent Classification (CPC): H05K 3/429; H05K 2203/0207; H05K 2201/0323; H05K 1/115 (86) International application number: PCT/US2022/047943 (87) International publication number: WO 2023/076432 (04.05.2023 Gazette 2023/18)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 26.10.2021 US 202117511333 (71) Applicant: TTM Technologies, Inc. Santa Ana, CA 92707 (US)	(72) Inventors: NEELY, Matthew, Douglas Santa Ana, CA 92707 (US) KONRAD, John Santa Ana, CA 92707 (US) LEHRER, Mace Santa Ana, CA 92707 (US) (74) Representative: Greaves Brewster LLP  Copa House Station Road Cheddar, Somerset BS27 3AH Cheddar, Somerset BS27 3AH (GB)