(19)
(11) EP 4 816 601 A1

(12)

(43) Date of publication:
07.10.2026 Bulletin 2026/41

(21) Application number: 24820304.4

(22) Date of filing: 02.12.2024
(51) International Patent Classification (IPC): 
C30B 15/00(2006.01)
 C30B 29/08(2006.01)
(52) Cooperative Patent Classification (CPC):
C30B 29/08; C30B 15/00
(86) International application number:
PCT/EP2024/084349
(87) International publication number:
WO 2025/114608 (05.06.2025 Gazette 2025/23)
(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: 01.12.2023 EP 23213765
27.03.2024 EP 24167016

(71) Applicant: Umicore
1000 Brussels (BE)

(72) Inventors:
  • VANDEPERRE, Bart
    2250 Olen (BE)
  • VANPAEMEL, Johannes
    2250 Olen (BE)
  • DESSEIN, Kristof
    2250 Olen (BE)

   


(54) ULTRA-HIGH DOPED N-TYPE GERMANIUM MONOCRYSTALS AND WAFERS DERIVED THEREFROM