(19)

(11)

EP 4 825 120 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24846634.4 (22) Date of filing: 11.12.2024

(51) International Patent Classification (IPC):  H05H 7/08(2006.01) H01J 37/08(2006.01) H01J 27/18(2006.01) (52) Cooperative Patent Classification (CPC): H05H 2007/082; H01J 37/08; H01J 27/18; H05H 7/08; H05H 1/4652; H01J 2237/061; H01J 2237/0817 (86) International application number: PCT/CZ2024/050081 (87) International publication number: WO 2025/124625 (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: 12.12.2023 CZ 20230480 (71) Applicant: TESCAN GROUP a.s. 62300 Brno (CZ)	(72) Inventor: HAVLÍCEK, Lukás 56102 Dolní Dobrouc (CZ)