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(11)

EP 4 825 130 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24837250.0 (22) Date of filing: 11.12.2024

(51) International Patent Classification (IPC):  H10D 30/66(2025.01) H10D 62/832(2025.01) H10D 64/23(2025.01) H01L 21/762(2006.01) H10D 30/60(2025.01) H10D 64/27(2025.01) (52) Cooperative Patent Classification (CPC): H10D 30/66; H10D 62/8325; H10D 64/257; H10D 64/519; H10D 30/60; H10W 74/111; H10W 90/734; H10W 90/724; H10W 72/073; H10W 74/15 (86) International application number: PCT/US2024/059487 (87) International publication number: WO 2025/128646 (19.06.2025 Gazette 2025/25)

(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 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: 12.12.2023 US 202318537435 (71) Applicant: Wolfspeed, Inc. Durham, NC 27703 (US)	(72) Inventors: HARDIN, Craig William Durham, North Carolina 27703 (US) BARKLEY, Adam Benjamin Durham, North Carolina 27703 (US) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)