(19)

(11)

EP 4 562 410 A1

(12)

(43) Date of publication: 04.06.2025 Bulletin 2025/23 (21) Application number: 23744801.4 (22) Date of filing: 20.07.2023

(51) International Patent Classification (IPC):  G01N 21/71(2006.01) G01J 5/00(2022.01) (52) Cooperative Patent Classification (CPC): G01N 21/71; G01J 5/0037 (86) International application number: PCT/EP2023/070225 (87) International publication number: WO 2024/022956 (01.02.2024 Gazette 2024/05)

(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: 25.07.2022 LU 502564 (71) Applicant: Paul Wurth S.A. 1122 Luxembourg (LU)	(72) Inventors: VAN DORPE, Pierre 6700 Arlon (BE) MICAK, Juraj 2410 Strassen (LU) (74) Representative: Office Freylinger  P.O. Box 48 8001 Strassen 8001 Strassen (LU)