(19)

(11)

EP 4 544 886 A1

(12)

(43) Date of publication: 30.04.2025 Bulletin 2025/18 (21) Application number: 23735626.6 (22) Date of filing: 21.06.2023

(51) International Patent Classification (IPC):  H10B 20/25(2023.01) H01L 23/525(2006.01) G11C 17/16(2006.01) (52) Cooperative Patent Classification (CPC): H10B 20/25; H01L 23/5256; G11C 17/16; G11C 17/18 (86) International application number: PCT/EP2023/066853 (87) International publication number: WO 2023/247645 (28.12.2023 Gazette 2023/52)

(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: 23.06.2022 US 202263354851 P 20.06.2023 US 202318211718 (71) Applicant: Nanusens SL 08290 Cerdanyola del Valles (ES)	(72) Inventor: SILVESTRE, Josep Montanya Paignton TQ3 2BQ (GB) (74) Representative: Carroll, Christopher P.  AFS International Services LLC 4-12 Regent Street, 4th Floor London SW1Y 4PE London SW1Y 4PE (GB)