(19)
(11) EP 4 824 946 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24828576.9

(22) Date of filing: 27.11.2024
(51) International Patent Classification (IPC): 
H03K 17/10(2006.01)
H10D 80/00(2026.01)
H01L 23/00(2006.01)
H03F 3/195(2006.01)
H03F 3/24(2006.01)
 H03K 17/693(2006.01)
H01L 23/66(2006.01)
H01L 25/065(2023.01)
H03F 3/21(2006.01)
(52) Cooperative Patent Classification (CPC):
H03F 3/195; H03K 17/693; H10D 80/00; H03K 2217/0018; H10W 44/20; H10W 90/792; H10W 44/231; H10W 90/00; H10W 72/9445; H10W 80/00
(86) International application number:
PCT/US2024/057669
(87) International publication number:
WO 2025/128331 (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: 14.12.2023 US 202363610139 P
25.06.2024 US 202463663787 P

(71) Applicant: Qorvo US, Inc.
Greensboro, NC 27409 (US)

(72) Inventors:
  • TOMBAK, Ali
    Greensboro, North Carolina 27409 (US)
  • COUGLAR, Karl J.
    Greensboro, North Carolina 27409 (US)
  • CARROLL, Michael
    Greensboro, North Carolina 27409 (US)

(74) Representative: D Young & Co LLP 
3 Noble Street
London EC2V 7BQ
London EC2V 7BQ (GB)

   


(54) RF SWITCH STRUCTURE DESIGN IN STACKED RFSOI WAFERS FOR REDUCED DIE SIZE