(19)

(11)

EP 4 584 566 A1

(12)

(43) Date of publication: 16.07.2025 Bulletin 2025/29 (21) Application number: 23783212.6 (22) Date of filing: 06.09.2023

(51) International Patent Classification (IPC):  G01J 5/02(2022.01) G01J 5/06(2022.01) G01J 5/24(2006.01) G01J 5/04(2006.01) G01J 5/20(2006.01) (52) Cooperative Patent Classification (CPC): G01J 5/20; G01J 5/045; G01J 5/24; G01J 5/06; G01J 5/064; G01J 5/048; G01J 5/024; G01J 5/0235 (86) International application number: PCT/US2023/073515 (87) International publication number: WO 2024/054820 (14.03.2024 Gazette 2024/11)

(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: 08.09.2022 US 202263404907 P 08.09.2022 US 202263404911 P 08.09.2022 US 202263404914 P (71) Applicant: Obsidian Sensors, Inc. San Diego, California 92121 (US)

(72) Inventors: HONG, John San Diego, California 92121 (US) CHANG, Tallis San Diego, California 92121 (US) CHAN, Edward San Diego, California 92121 (US) ANDREWS, Sean San Diego, California 92121 (US) WEN, Bing San Diego, California 92121 (US) SHIN, Heesun San Diego, California 92121 (US) LEWIS, Alan San Diego, California 92121 (US) HONG, Jeremy San Diego, California 92121 (US) (74) Representative: Algemeen Octrooi- en Merkenbureau B.V.  P.O. Box 645 5600 AP Eindhoven 5600 AP Eindhoven (NL)