(19)

(11)

EP 4 680 923 A1

(12)

(43) Date of publication: 21.01.2026 Bulletin 2026/04 (21) Application number: 24714547.7 (22) Date of filing: 15.03.2024

(51) International Patent Classification (IPC):  G01J 3/44(2006.01) G01J 3/18(2006.01) (52) Cooperative Patent Classification (CPC): G01J 3/44; G01N 21/65; G01J 3/0237; G01J 3/2803; G01J 3/0208; G01J 3/06; G01J 3/18; G01J 3/0235 (86) International application number: PCT/GB2024/050706 (87) International publication number: WO 2024/189376 (19.09.2024 Gazette 2024/38)

(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: GE KH MA MD TN (30) Priority: 16.03.2023 GB 202303844 (71) Applicant: Renishaw plc Wotton-under-Edge, Gloucestershire GL12 8JR (GB)	(72) Inventor: SMITH, Brian, John, Edward Wotton-under-Edge Gloucestershire GL12 8JR (GB) (74) Representative: Matthews, Paul et al Renishaw plc Patent Department New Mills Wotton-under-Edge, Gloucestershire GL12 8JR Wotton-under-Edge, Gloucestershire GL12 8JR (GB)