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(11)

EP 4 272 265 A1

(12)

(43) Date of publication: 08.11.2023 Bulletin 2023/45 (21) Application number: 22743014.7 (22) Date of filing: 14.01.2022

(51) International Patent Classification (IPC):  H01L 33/44(2010.01) H01L 33/46(2010.01) H01L 33/08(2010.01) H01L 33/58(2010.01) H01L 33/18(2010.01) H01L 33/26(2010.01) (52) Cooperative Patent Classification (CPC): H01L 33/44; H01L 27/156; H01L 33/405; H01L 25/167; H01L 33/62; H01L 2933/0066; H01L 33/06; H01L 33/025; H01L 33/20; H01L 33/56 (86) International application number: PCT/US2022/012583 (87) International publication number: WO 2022/159348 (28.07.2022 Gazette 2022/30)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 21.01.2021 US 202117154480 (71) Applicant: Tectus Corporation Saratoga, CA 95070 (US)	(72) Inventors: CHOY, Kwong-Hin, Henry Saratoga, CA 95070 (US) LUCOW, Ewelina, Natalia Saratoga, CA 95070 (US) MARTIN, Paul, Scott Saratoga, CA 95070 (US) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)