(19)
(11) EP 4 128 362 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
27.12.2023 Bulletin 2023/52

(45) Mention of the grant of the patent:
22.11.2023 Bulletin 2023/47

(21) Application number: 22717131.1

(22) Date of filing: 22.03.2022
(51) International Patent Classification (IPC): 
H01L 29/78(2006.01)
H01L 29/04(2006.01)
H01L 29/16(2006.01)
 H01L 29/739(2006.01)
H01L 29/06(2006.01)
H01L 29/423(2006.01)
(52) Cooperative Patent Classification (CPC):
H01L 29/045; H01L 29/0696; H01L 29/1608; H01L 29/4238; H01L 29/7397; H01L 29/7813; H01L 29/0623; H01L 29/4236
(86) International application number:
PCT/EP2022/057471
(87) International publication number:
WO 2022/200338 (29.09.2022 Gazette 2022/39)

(54)

POWER SEMICONDUCTOR DEVICE

LEISTUNGSHALBLEITERBAUELEMENT

DISPOSITIF SEMI-CONDUCTEUR D'ALIMENTATION

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 22.03.2021 EP 21163959

(43) Date of publication of application:
08.02.2023 Bulletin 2023/06

(73) Proprietor: Hitachi Energy Ltd
8050 Zürich (CH)

(72) Inventors:
  • ARANGO, Yulieth
    8045 Zurich (CH)
  • ROMANO, Gianpaolo
    5400 Baden (CH)
  • MIHAILA, Andrei
    5415 Rieden (CH)
  • BELLINI, Marco
    8005 Zürich (CH)
  • KNOLL, Lars
    Hägglingen 5607 (CH)

(74) Representative: Epping - Hermann - Fischer 
Patentanwaltsgesellschaft mbH Schloßschmidstraße 5
80639 München
80639 München (DE)


(56) References cited: : 
EP-A1- 2 750 198
WO-A1-2018/163286
JP-A- H09 260 650
US-A1- 2013 313 635
US-A1- 2016 359 026
 WO-A1-2005/048352
WO-A1-2020/135378
US-A- 6 060 747
US-A1- 2016 260 798
US-A1- 2018 240 906
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).