(19)

(11)

EP 4 264 668 A1

(12)

(43) Date of publication: 25.10.2023 Bulletin 2023/43 (21) Application number: 21836298.6 (22) Date of filing: 08.12.2021

(51) International Patent Classification (IPC):  H01L 27/112(2006.01) H01L 27/11587(2017.01) (52) Cooperative Patent Classification (CPC): H01L 27/0207; H10B 20/20 (86) International application number: PCT/US2021/062495 (87) International publication number: WO 2022/132540 (23.06.2022 Gazette 2022/25)

(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 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: 15.12.2020 US 202063125907 P 07.12.2021 US 202117544583 (71) Applicant: Synopsys, Inc. Sunnyvale, CA 94085 (US)	(72) Inventor: HORCH, Andrew Edward Seattle, CA 94085 (US) (74) Representative: Epping - Hermann - Fischer  Patentanwaltsgesellschaft mbH Schloßschmidstraße 5 80639 München 80639 München (DE)