(19)

(11)

EP 4 460 700 A1

(12)

(43) Date of publication: 13.11.2024 Bulletin 2024/46 (21) Application number: 22847650.3 (22) Date of filing: 06.12.2022

(51) International Patent Classification (IPC):  G01R 15/20(2006.01) H01L 23/495(2006.01) (52) Cooperative Patent Classification (CPC): G01R 15/207 (86) International application number: PCT/US2022/051968 (87) International publication number: WO 2023/172314 (14.09.2023 Gazette 2023/37)

(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: 10.03.2022 US 202217654254 (71) Applicant: Allegro MicroSystems, LLC Manchester, NH 03103-3353 (US)	(72) Inventors: BODEN, Bradley Manchester, New Hampshire 03101 (US) NIKAM, Rishikesh Manchester, New Hampshire 03101 (US) BRIANO, Robert A. Auburn, New Hampshire 03032 (US) (74) Representative: South, Nicholas Geoffrey et al AA Thornton IP LLP 8th Floor, 125 Old Broad Street London EC2N 1AR London EC2N 1AR (GB)