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EP 4 816 759 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 23833582.2 (22) Date of filing: 01.12.2023

(51) International Patent Classification (IPC):  F28D 15/02(2006.01) F28F 3/02(2006.01) H01L 23/367(2006.01) H01L 23/467(2006.01) F28D 15/04(2006.01) F28F 3/06(2006.01) H01L 23/427(2006.01) (52) Cooperative Patent Classification (CPC): F28D 15/0233; F28D 15/0275; F28D 15/04; F28F 3/025; F28F 3/06; F28F 2250/08; H10W 40/226; H10W 40/22; H10W 40/43; H10W 40/73 (86) International application number: PCT/CN2023/135835 (87) International publication number: WO 2025/112033 (05.06.2025 Gazette 2025/23)

(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: KH MA MD TN (71) Applicant: QUALCOMM INCORPORATED San Diego, California 92121-1714 (US)	(72) Inventors: CAO, Yan San Diego California 92121-1714 (US) HE, Hui San Diego California 92121-1714 (US) TANG, Wei San Diego California 92121-1714 (US) YE, Feihu San Diego California 92121-1714 (US) (74) Representative: Wagner & Geyer  Partnerschaft mbB Patent- und Rechtsanwälte Gewürzmühlstrasse 5 80538 München 80538 München (DE)