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EP 3 987 220 A1

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(43) Date of publication: 27.04.2022 Bulletin 2022/17 (21) Application number: 20826976.1 (22) Date of filing: 18.06.2020

(51) International Patent Classification (IPC):  F21K 9/64(2016.01) F21K 9/69(2016.01) H01S 5/024(2006.01) H01S 5/00(2006.01) H01S 5/343(2006.01) F21K 9/90(2016.01) F21K 9/68(2016.01) H01S 5/40(2006.01) H01S 5/022(2021.01) F21V 29/70(2015.01) (52) Cooperative Patent Classification (CPC): F21Y 2115/30; F21V 9/30; H01S 5/34333; H01S 5/0217; H01S 5/2009; H01S 5/0202; H01S 5/02476; H01S 5/0087; H01S 5/02325; H01S 5/02255; H01S 5/0237; H01S 5/4031; H01S 5/02212; H01S 5/02345; H01S 5/02216; H01S 5/02253 (86) International application number: PCT/US2020/038504 (87) International publication number: WO 2020/257505 (24.12.2020 Gazette 2020/52)

(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: 21.06.2019 US 201916449126 (71) Applicant: KYOCERA SLD Laser, Inc. Goleta, CA 93117 (US)

(72) Inventors: RUDY, Paul Goleta, CA 93117 (US) RARING, James, W. Goleta, CA 93117 (US) GOUTAIN, Eric Goleta, CA 93117 (US) TROTTIER, Troy Goleta, CA 93117 (US) MCLAURIN, Melvin Goleta, CA 93117 (US) HARRISON, James Goleta, CA 93117 (US) HEIKMAN, Sten Goleta, CA 93117 (US) CANTORE, Michael Goleta, CA 93117 (US) (74) Representative: Clark, Jane Anne et al Mathys & Squire The Shard 32 London Bridge Street London SE1 9SG London SE1 9SG (GB)