(19)

(11)

EP 4 292 134 A1

(12)

(43) Date of publication: 20.12.2023 Bulletin 2023/51 (21) Application number: 22753337.9 (22) Date of filing: 10.02.2022

(51) International Patent Classification (IPC):  H01L 31/043(2014.01) H01L 31/042(2014.01) H02S 20/00(2014.01) H01L 31/054(2014.01) H01L 31/048(2014.01) (52) Cooperative Patent Classification (CPC): H01L 31/042; H01L 31/0543; H01L 31/0547; H02S 40/22; F24S 23/12; F24S 23/30; F24S 23/70; Y02E 10/52 (86) International application number: PCT/US2022/015973 (87) International publication number: WO 2022/173943 (18.08.2022 Gazette 2022/33)

(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: 10.02.2021 US 202163148066 P 21.09.2021 US 202163246510 P (71) Applicant: Njie, Mohammed, Alboury Frisco, TX 75035 (US)	(72) Inventor: Njie, Mohammed, Alboury Frisco, TX 75035 (US) (74) Representative: Barker Brettell LLP  100 Hagley Road Edgbaston Birmingham, West Midlands B16 8QQ Birmingham, West Midlands B16 8QQ (GB)