(19)
(11) EP 4 680 782 A1

(12)

(43) Date of publication:
21.01.2026 Bulletin 2026/04

(21) Application number: 24722006.4

(22) Date of filing: 25.04.2024
(51) International Patent Classification (IPC): 
C23C 18/20(2006.01)
(52) Cooperative Patent Classification (CPC):
C23C 18/208
(86) International application number:
PCT/EP2024/061374
(87) International publication number:
WO 2024/223735 (31.10.2024 Gazette 2024/44)
(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: 26.04.2023 EP 23169946

(71) Applicant: Atotech Deutschland GmbH & Co. KG
10553 Berlin (DE)

(72) Inventors:
  • ZARWELL, Sebastian
    10553 Berlin (DE)
  • RAASE, Jennifer
    10553 Berlin (DE)
  • JANG, Don
    10553 Berlin (DE)
  • BERNHARD, Tobias
    10553 Berlin (DE)

(74) Representative: MKS IP Association 
Intellectual Property Erasmusstraße 20
10553 Berlin
10553 Berlin (DE)

   


(54) A METHOD FOR THE PRE-TREATMENT OF A SURFACE OF A SUBSTRATE