(19)
(11) EP 4 189 744 A2

(12)

(88) Date of publication A3:
31.03.2022

(43) Date of publication:
07.06.2023 Bulletin 2023/23

(21) Application number: 21862946.7

(22) Date of filing: 31.08.2021
(51) International Patent Classification (IPC): 
H01L 29/02(2006.01)
H01L 21/8234(2006.01)
 H01L 21/04(2006.01)
(52) Cooperative Patent Classification (CPC):
H01L 29/7802; H01L 29/1608; H01L 29/1095; H01L 29/66068; H01L 29/7811; H01L 29/0661; H01L 29/41766; H01L 29/42376; H01L 29/1045; H01L 29/872; H01L 29/0878; H01L 29/1066; H01L 29/7806; H01L 29/7813; H01L 29/0869; H01L 29/0696; H01L 29/4236; H01L 29/0619; H01L 29/6606; H01L 29/8083; H01L 29/0657; H01L 29/42316; H01L 29/1058
(86) International application number:
PCT/US2021/048324
(87) International publication number:
WO 2022/047349 (03.03.2022 Gazette 2022/09)
(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
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 31.08.2020 US 202063072473 P

(71) Applicant: GeneSiC Semiconductor Inc.
Dulles, VA 20166 (US)

(72) Inventors:
  • SUNDARESAN, Siddarth
    Dulles, VA 20166 (US)
  • SINGH, Ranbir
    Dulles, VA 20166 (US)
  • PARK, Jaehoon
    Dulles, VA 20166 (US)

(74) Representative: Glawe, Delfs, Moll 
Partnerschaft mbB von Patent- und Rechtsanwälten Postfach 13 03 91
20103 Hamburg
20103 Hamburg (DE)

   


(54) DESIGN AND MANUFACTURE OF IMPROVED POWER DEVICES