(19)

(11)

EP 4 824 854 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24838000.8 (22) Date of filing: 10.12.2024

(51) International Patent Classification (IPC):  H01J 49/20(2006.01) H01J 49/40(2006.01) (52) Cooperative Patent Classification (CPC): H01J 49/40; H01J 49/20 (86) International application number: PCT/IB2024/062446 (87) International publication number: WO 2025/126040 (19.06.2025 Gazette 2025/25)

(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: 11.12.2023 US 202363608438 P (71) Applicant: DH Technologies Development Pte. Ltd. Singapore 739256 (SG)	(72) Inventors: BABA, Takashi Concord, Ontario L4K 4V8 (CA) CHERNUSHEVICH, Igor Concord, Ontario L4K 4V8 (CA) (74) Representative: Maiwald GmbH  Elisenhof Elisenstraße 3 80335 München 80335 München (DE)