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(11)

EP 4 423 574 A1

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(43) Date of publication: 04.09.2024 Bulletin 2024/36 (21) Application number: 22813803.8 (22) Date of filing: 27.10.2022

(51) International Patent Classification (IPC):  G03F 7/022(2006.01) G02B 27/01(2006.01) G03F 7/40(2006.01) G03F 7/023(2006.01) G03F 7/00(2006.01) G06F 3/01(2006.01) (52) Cooperative Patent Classification (CPC): G03F 7/0236; G03F 7/0226; G03F 7/0035; G03F 7/40; G06F 3/013; G02B 27/0176; G02B 2027/0138; G02B 2027/0174; G02B 2027/0178; G02B 5/1847; G06F 3/011; G06F 3/012 (86) International application number: PCT/US2022/048009 (87) International publication number: WO 2023/076465 (04.05.2023 Gazette 2023/18)

(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 (30) Priority: 27.10.2021 US 202163272519 P 20.10.2022 US 202217970439 (71) Applicant: META PLATFORMS TECHNOLOGIES, LLC Menlo Park, CA 94025 (US)

(72) Inventors: DUNDAR ARISOY, Feyza Menlo Park, California 94025 (US) KAITZ, Joshua Andrew Menlo Park, California 94025 (US) VORA, Ankit Menlo Park, California 94025 (US) FRANKE, Elliott Menlo Park, California 94025 (US) ZHANG, Keren Menlo Park, California 94025 (US) SPORRE, John Menlo Park, California 94025 (US) ZHANG, Xu Menlo Park, California 94025 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)